STABILIZED CANDLE WAX COMPOSITIONS

Abstract

Candle wax (which may be white or colored, and unscented or scented) is effectively stabilized against discoloration and fading by the incorporation therein of a liquid 2-hydroxybenzophenone ultraviolet absorber, either alone or in combination with a second UV absorber, a benzoate light stabilizer, an antioxidant, and/or a hindered amine light stabilizer (HALS).

Claims

1. Compositions comprising (a) a candle wax, which may be white or colored and unscented or scented, and (b) an effective stabilizing amount of a liquid 2hydroxybenzophenone ultraviolet absorber represented by formula (I): ##STR00003## where R is a mixture of random branched alkyl groups having from about 6 to about 12 carbon atoms.

2. A composition according to claim 1, wherein component (b) is 2-hydroxy-4-isooctyloxybenzophenone.

3. A composition according to claim 1, which further comprises a second ultraviolet absorber (c) selected from the group consisting of solid 2-hydroxybenzophenones, 2-hydroxyphenylbenzotriazoles, 2-hydroxyphenyltriazines, .alpha.-cyanoacrylates, oxalanilides, and formamidines; wherein the ratio by weight of component (b) to component (c) is between 10:1 and 1:10.

4. A composition according to claim 1, which further comprises a phenolic antioxidant (d), wherein the ratio by weight of component (b) to component (d) is between 10:1 and 1:10.

5. A composition according to claim 1, which further comprises a benzoate light stabilizer (e) selected from alkyl and aryl esters of 3,5-di-tert-butyl-4-hydroxybenzoic acid; wherein the ratio by weight of component (b) to component (e) is between about 10:1 and 1:10.

6. A composition according to claim 1, which further comprises a hindered amine light stabilizer (HALS) (f) selected from compounds which contain a substituted 2,2,6,6-tetramethylpiperidine group of formula (II): ##STR00004## in which Y is hydrogen, methyl, alkyl (which may be unsubstituted or further substituted), acyl, or alkoxy (which may be unsubstituted or further substituted); wherein the ratio by weight of component (b) to component (f) is between about 10:1 and 1:10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0016] The instant invention pertains to a composition, which comprises the following components:

[0017] (a) Candle wax, which may be white or colored, and unscented or scented, and

[0018] (b) An effective stabilizing amount of a liquid 2-hydroxybenzophenone ultraviolet absorber, where an effective stabilizing amount of component (b) is between 0.01 and 10% by weight, preferably between 0.1 to 2% by weight, and most preferably between 0.1 and 1% by weight.

[0019] Waxes suitable for use as component (a) of the inventive compositions are well known in the art, including animal waxes such as beeswax, vegetable waxes such as soy wax, petroleum waxes such as paraffin wax, and synthetic waxes. The waxes may be white or natural in color or contain added colorants such as dyes and pigments. The waxes may also be unscented or scented by the addition of fragrances.

[0020] Liquid 2-hydroxybenzophenone ultraviolet absorbers suitable for use as component (b) of the inventive compositions are known in the art, for example 2-hydroxy-4-alkoxybenzophenones of the formula (I), where R is a mixture of random branched alkyl groups (referred to in the art as isoalkyl groups) having from about 6 to about 12 carbon atoms. The compounds, methods for their preparation, and stabilized polymer compositions comprising them are disclosed in U.S. Pat. Nos. 3,658,910 and 3,729,442.

##STR00001##

[0021] Most preferably, the liquid benzophenone ultraviolet absorber is 2-hydroxy-4-isooctyloxybenzophenone, Chemical Abstract Service (CAS) No. 33059-05-1.

[0022] In a second embodiment, the composition further comprises as component (c) one or more additional ultraviolet absorbers, wherein the total concentration of components (b) and (c) is between 0.01 and 10% by weight, preferably between 0.1 to 2% by weight, and most preferably between 0.1 and 1% by weight; and the ratio by weight of component (b) to component (c) is from 10:1 to 1:10, preferably from 4:1 to 1:4, and most preferably from 2:1 to 1:2.

[0023] The ultraviolet absorber for use as component (c) of the inventive compositions is selected from the groups consisting of solid 2-hydroxybenzophenones, 2-hydroxyphenylbenzotriazoles, 2-hydroxyphenyltriazines, .alpha.-cyanoacrylates, oxalanilides, and formamidines. Examples of ultraviolet absorbers that are suitable for use as component (c) of the inventive compositions include the following: [0024] 2,2-Dihydroxy-4-methoxybenzophenone, CAS No. 131-53-3; [0025] 2,2-Dihydroxy-4,4-dimethoxybenzophenone, CAS No. 131-54-4; [0026] 2,2,4,4-Tetrahydroxybenzophenone, CAS No. 131-55-5; [0027] 2-Hydroxy-4-methoxybenzophenone, CAS No. 131-57-7; [0028] 2-Hydroxy-4-octyloxybenzophenone, CAS No. 1843-05-6; [0029] 2-(2H-Benzotriazol-2-yl)-4-methylphenol, CAS No. 2440-22-4; [0030] 2-(4,6-Bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(octyloxy)phenol, CAS No. 2725-22-6; [0031] 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol, CAS No. 3147-75-9; [0032] 2-(5-Chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol, CAS No. 3896-11-5; [0033] Ethyl 2-cyano-3,3-diphenylacrylate, CAS No. 5232-99-5; [0034] 2-Ethylhexyl 2-cyano-3,3-diphenylacrylate, CAS No. 6197-30-4; [0035] 2-Ethoxy-2-ethyloxanilide, CAS No. 23949-66-8; [0036] 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, CAS No. 25973-55-1; [0037] N-(4-ethoxycarbonylphenyl)N-methyl-N-phenylformamidine, CAS No. 57834-33-0; [0038] 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol, CAS No. 70321-86-7; [0039] 2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol, CAS No. 73936-91-1; [0040] A mixture of octyl 3-(3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl)phenyl)propionate and 2-ethylhexyl 3-(3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl)phenyl)propionate, CAS Nos. 83044-89-7 and 83044-90-0; [0041] Methyl 3-(3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl)phenyl)propionate, CAS No. 83044-91-1; [0042] Methyl 3-(3-tert-butyl-5-(2H-benzotriazol-2-yl)-4-hydroxyphenyl)propionate, CAS No. 84268-33-7; [0043] 2,2-Methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol), CAS No. 103597-45-1; [0044] A mixture of alpha-3-(3-(2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl)propionyl-omega-hydroxypoly(oxyethylene) and alpha-3-(3-(2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl)propionykomega-3-(3-(2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl)propionyloxypoly(oxyethylene), CAS Nos. 104810-48-2 and 104810-47-1; [0045] 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol, branched and linear, CAS No. 125304-04-3; [0046] A mixture of branched and linear C.sub.7-C.sub.9 alkyl esters of 3-(3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl)phenyl)propionic acid, CAS No. 127519-17-9; [0047] 2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-((hexyl)oxy)phenol, CAS No. 147315-50-2; [0048] A mixture of 2-[4-[(2-hydroxy-3-dodecyloxypropyl)oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine and 2-[4-[(2-hydroxy-3-tridecyloxypropyl)oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine, CAS No. 153519-44-9; and [0049] 2-(4,6-Bis((1,1-biphenyl)-4-yl)-1,3,5-triazin-2-yl)-5-((2-ethylhexyl)oxy)phenol, CAS No. 204583-39-1.

[0050] A third embodiment is a composition comprising components (a) and (b) as defined previously and further comprising as component (d) one or more benzoate light stabilizers, wherein the total concentration of components (b) and (d) is between 0.01 and 10% by weight, preferably between 0.1 to 2% by weight, and most preferably between 0.1 and 1% by weight; and the ratio by weight of component (b) to component (d) is from 10:1 to 1:10, preferably from 4:1 to 1:4, and most preferably from 2:1 to 1:2. It is anticipated that the inventive compositions of this embodiment may further comprise component (c) as defined previously.

[0051] Benzoate light stabilizers that are suitable for use as component (d) in the inventive compositions are selected from alkyl and aryl esters of 3,5-di-tert-butyl-4-hydroxybenzoic acid. Examples of benzoate light stabilizers suitable for use as component (d) in the inventive compositions include the following: [0052] Ethyl 3,5-di-tert-butyl-4-hydroxybenzoate, CAS No. 1620-64-0; [0053] 3,5-Di-tert-butyl-4-hydroxy-(2,4-di-tert-butylphenyl)benzoate, CAS No. 4221-80-1; and [0054] Palmityl 3,5-di-tert-butyl-4-hydroxybenzoate, CAS No. 67845-93-6.

[0055] A fourth embodiment is a composition comprising components (a) and (b) as defined previously and further comprising as component (e) one or more hindered phenolic antioxidants, wherein the total concentration of components (b) and (e) is between 0.01 and 10% by weight, preferably between 0.1 to 2% by weight, and most preferably between 0.1 and 1% by weight; and the ratio by weight of component (b) to component (e) is from 10:1 to 1:10, preferably from 5:1 to 1:5, and most preferably from 3:1 to 1:3. It is anticipated that the inventive compositions of this embodiment may further comprise components (c) and/or (d) as defined previously.

[0056] Examples of hindered phenolic antioxidants that are suitable for use as component (e) of the inventive compositions include the following: [0057] 2,2-Methylenebis(4-ethyl-6-tert-butylphenol), CAS No. 88-24-4; [0058] 4,4-Methylenebis(2,6-di-tert-butylphenol), CAS No. 118-82-1; [0059] 2,2-Methylenebis(4-methyl-6-tert-butylphenol), CAS No. 119-47-1; [0060] 2,6-Di-tert-butyl-4-methylphenol, CAS No. 128-37-0; [0061] Tocopherol, CAS No. 1406-66-2; [0062] 1,3,5-Dimethyl-2,4,6-tris(3,5-tert-butyl-4-hydroxybenzyl)benzene, CAS No. 1709-70-2;

[0063] 1,1,3-Tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, CAS No. 1843-03-4;

[0064] tert-Butylhydroquinone, CAS No. 1948-33-0; [0065] Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, CAS No. 2082-79-3; [0066] 2,6-Di-tert-butyl-4-nonylphenol, CAS No. 4306-88-1; [0067] Methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, CAS No. 6386-38-5; [0068] Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), CAS No. 6683-19-8; [0069] 4-sec-Butyl-2,6-di-tert-butylphenol, CAS No. 17540-75-9; [0070] N,N-Hexane-1 ,6-diylbis[3-(3,5-di-tert-butyl-4-hydroxyphenylpropionamide], CAS No. 23128-74-7; [0071] Ethylene bis(3,3-bis(3-tert-butyl-4-hydroxyphenyl)butyrate), CAS No. 32509-66-3; [0072] Hexamethylene bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), CAS No. 35074-77-2; [0073] 2,2-Ethylenebis(4,6-di-tert-butylphenol), CAS No. 35958-30-6; [0074] Triethylene glycol bis[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate], CAS No. 36443-68-2; [0075] Thiodiethylene bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), CAS No. 41484-35-9; [0076] 2,2-Methylenebis(4-methyl-6-tert-butylphenol) monoacrylate, CAS No. 61167-58-6; [0077] 4-Methylphenol, reaction products with dicyclopentadiene and isobutylene, CAS No. 68610-51-5; [0078] 2,2-Ethylidenebis(4,6-di-tert-amylphenol) monoacrylate, CAS No. 123968-25-2; [0079] 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, branched C.sub.7-C.sub.9 alkyl esters, CAS No. 125643-61-0; [0080] 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, C.sub.13-C.sub.15 alkyl esters, CAS No. 171090-93-0; and [0081] 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, branched tridecyl ester, CAS No. 847488-62-4.

[0082] A fifth embodiment is a composition comprising components (a) and (b) as defined previously and further comprising as component (f) one or more hindered amine light stabilizers (HALS), wherein the total concentration of components (b) and (f) is between 0.01 and 10% by weight, preferably between 0.1 to 2% by weight, and most preferably between 0.1 and 1% by weight; and the ratio by weight of component (b) to component (e) is from 10:1 to 1:10, preferably from 4:1 to 1:4, and most preferably from 2:1 to 1:2. It is anticipated that the inventive compositions of this embodiment may further comprise components (c), (d), and/or (e) as defined previously.

[0083] Hindered amine light stabilizers (HALS) suitable for use as component (f) of the inventive compositions are well known in the art, for example compounds which contain a substituted 2,2,6,6-tetramethylpiperidine group of formula (II):

##STR00002##

in which Y is hydrogen, methyl, alkyl (which may be unsubstituted or further substituted), acyl, or alkoxy (which may be unsubstituted or further substituted). Examples of HALS suitable for use as component (f) of the inventive compositions include the following: [0084] Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, CAS No. 41556-26-7; [0085] A mixture of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl 1,2,2,6,6-pentamethyl-4-piperidyl sebacate, CAS Nos. 41556-26-7 and 82919-37-7; [0086] 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine, CAS No. 52722-86-8; [0087] Esters of 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine (CAS No. 52722-86-8) with monofunctional carboxylic acids of one to about twenty two carbon atoms, which may be linear or branched, and saturated, mono-unsaturated, or polyunsaturated; [0088] Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, CAS No. 52829-07-9; [0089] Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-2-butyl-2-(4-hydroxy-3,5-di-tert-butylbenzyl) propanedioate, CAS No. 63843-89-0; [0090] 1,2,3,4-Butanetetracarboxylic acid, tetrakis(2,2,6,6-tetramethyl-4-piperidinyl) ester, CAS No. 64022-61-3; [0091] Dimethyl succinate-1-(2-hydroxyethyl)-4-hydroxy-2,2,6,6-tetramethylpiperidine copolymer, CAS No. 65447-77-0; [0092] 3-Dodecyl-1-(2,2,6,6-tetramethyl-4-piperidyl)pyrrolidine-2,5-dione, CAS No. 79720-19-7; [0093] A mixture of 7-oxa-3,20-diazadispiro(5.1.11.2)heneicosane-20-propanoic acid, 2,2,4,4-tetramethyl-21-oxo-, dodecyl ester and 7-oxa-3,20-diazadispiro(5.1.11.2)heneicosane-20-propanoic acid, 2,2,4,4-tetramethyl-21-oxo-, tetradecyl ester, CAS Nos. 85099-51-0 and 85099-50-9; [0094] A mixture of 2,2,6,6-tetramethylpiperidin-4-yl-hexadecanoate and 2,2,6,6-tetramethylpiperidin-4-yl-octadecanoate, CAS No. 86403-32-9; [0095] 1,2,3,4-Butanetetracarboxylic acid, tetrakis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester, CAS No. 91788-83-9; [0096] 1,2,3,4-Butanetetracarboxylic acid, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol and 3-hydroxy-2,2-dimethylpropanal, 1,2,2,6,6-pentamethyl-4-piperidinyl ester, CAS No. 101357-36-2; [0097] 1,2,3,4-Butanetetracarboxylic acid, tetramethyl ester, reaction products with 2,2,6,6-tetramethyl-4 piperidinol and , , , -tetramethyl-2,4,8,10 -tetraoxaspiro[5.5]undecane-3,9-diethanol, CAS No. 101357-37-3; [0098] 3-Dodecyl-(1-(1,2,2,6,6-pentamethyl-4-piperidin)-yl)-2,5-pyrrolidindione, CAS No. 106917-30-0; [0099] 1-Acetyl-4-(3-dodecyl-2,5-dioxo-1-pyrrolidinyl)-2,2,6,6-tetramethylpiperidine, CAS No. 106917-31-1; [0100] Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, reaction products with tert-butyl hydroperoxide and octane, CAS No. 129757-67-1; [0101] Alpha alkene (C.sub.20-C.sub.24) polymers with maleic anhydride, reaction products with 2,2,6,6-tetramethyl-4-piperidinamine (CAS Reg. No. 152261-33-1); [0102] Fatty acids, C.sub.12-.sub.21 and C.sub.18-unsaturated, 2,2,6,6-tetramethyl-4-piperidinyl esters, CAS No. 167078-06-0; [0103] Octadecanoic acid, methyl ester, reaction products with 1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethyl-4-piperidinol, CAS No. 300711-92-6; and [0104] Bis(1-undecanoxy-2,2,6,6-tetramethylpiperidin-4-yl)carbonate, CAS No. 705257-84-7.

[0105] It should be noted that candles contain a host of various components. The base materials may be made up of the following: paraffin wax, vegetable wax, natural oils, polyamide plus fatty acid/ester, fatty acids such as stearin, opacifiers, beeswax, glycerides plus oxidized wax, alcohols, and ethylene oligomers.

[0106] Candles can also contain a number of additives such as mold release agents, fragrances, insect repellants or insecticides, hardeners, crystal modifiers, clarifiers, guttering reducers, colorants, f.p. control agents, stretchability improvers, gelling agents, extrusion aids, and vortex reducers. Each of the various components are meant to control or modify the properties of the candle to insure proper burning, reduce channeling, aid in uniform melting, and the like. The colorants and fragrances obviously are present to provide the proper color, scent or other aesthetic appeal.

EXAMPLES

[0107] The following prophetic examples are meant for illustrative purposes only and are not to be construed to limit the instant invention in any manner whatsoever.

Raw Materials

[0108] The following raw materials are used in the examples: [0109] Soy wax, candle grade, from a commercial supplier; [0110] Paraffin wax, candle grade, from a commercial supplier; [0111] Vanilla fragrance, candle grade, from a commercial supplier; [0112] Blue dye, candle grade, from a commercial supplier; [0113] Red dye, candle grade, from a commercial supplier; [0114] 2-Hydroxy-4-isooctyloxybenzophenone, CAS No. 33059-05-1 (UV-531 L), liquid, from a commercial supplier; [0115] 2-Hydroxy-4-octyloxybenzophenone, CAS No. 1843-05-6 (UV-531), solid, from a commercial supplier; [0116] 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol, CAS No. 3147-75-9 (UV-329), from a commercial supplier; [0117] Palmityl 3,5-di-tert-butyl-4-hydroxybenzoate, CAS No. 67845-93-6 (UV-2908), from a commercial supplier; [0118] 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, branched C.sub.7-C.sub.9 alkyl esters, CAS No. 125643-61-0 (AO-1135), from a commercial supplier; and [0119] Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, reaction products with tert-butyl hydroperoxide and octane, CAS No. 129757-67-1 (UV-123), from a commercial supplier.

Testing Procedure

[0120] A mixture of soy wax and paraffin wax is added to a mixing vessel and heated to 85-90 C. to completely melt the wax. The components listed in the examples are added in amounts based on 100 parts of wax and stirred until completely homogeneous. The formulated wax is poured into glass Petri dishes and allowed to cool and solidify. The Petri dishes are exposed wax side up at a distance of 12 inches from a bank of fluorescent lamps for 28 days. The color of the wax is monitored at 7-day intervals and the extent of color fading between the examples and corresponding comparative examples of the prior art is compared.

Examples 1-2 and Comparative Examples 1-2

Color Fade of Colored, Unscented Candle Wax

[0121]

TABLE-US-00001 Ex. 1 Comp. Ex. 1 Ex. 2 Comp. Ex. 2 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.2 0.2 UV-531 0.2 0.2 Amounts are given in parts by weight.

[0122] The resistance to color fade of colored (blue and red), unscented candle wax compositions of the present invention (Examples 1-2) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 1-2).

Examples 3-4 and Comparative Examples 3-4

Color fade of Colored, Scented Candle Wax

[0123]

TABLE-US-00002 Ex. 3 Comp. Ex. 3 Ex. 4 Comp. Ex. 4 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Vanilla fragrance 4 4 4 4 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.6 0.6 UV-531 0.6 0.6 Amounts are given in parts by weight.

[0124] The resistance to color fade of colored (blue and red), scented candle wax compositions of the present invention (Examples 3-4) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 3-4).

Examples 5-6 and Comparative Examples 5-6

Color fade of Colored, Unscented Candle Wax

[0125]

TABLE-US-00003 Ex. 5 Comp. Ex. 5 Ex. 6 Comp. Ex. 6 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.1 0.1 UV-531 0.1 0.1 UV-329 0.1 0.1 0.1 0.1 Amounts are given in parts by weight.

[0126] The resistance to color fade of colored (blue and red), unscented candle wax compositions of the present invention (Examples 5-6) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 5-6).

Examples 7-8 and Comparative Examples 7-8

Color Fade of Colored, Scented Candle Wax

[0127]

TABLE-US-00004 Ex. 7 Comp. Ex. 7 Ex. 8 Comp. Ex. 8 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Vanilla fragrance 4 4 4 4 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.3 0.3 UV-531 0.3 0.3 UV-329 0.3 0.3 0.3 0.3 Amounts are given in parts by weight.

[0128] The resistance to color fade of colored (blue and red), scented candle wax compositions of the present invention (Examples 7-8) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 7-8).

Examples 9-10 and Comparative Examples 9-10

Color Fade of Colored, Unscented Candle Wax

[0129]

TABLE-US-00005 Ex. 9 Comp. Ex. 9 Ex. 10 Comp. Ex. 10 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.1 0.1 UV-531 0.1 0.1 UV-2908 0.1 0.1 0.1 0.1 Amounts are given in parts by weight.

[0130] The resistance to color fade of colored (blue and red), unscented candle wax compositions of the present invention (Examples 9-10) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 9-10).

Examples 11-12 and Comparative Examples 11-12

Color Fade of Colored, Scented Candle Wax

[0131]

TABLE-US-00006 Ex. 11 Comp. Ex. 11 Ex. 12 Comp. Ex. 12 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Vanilla fragrance 4 4 4 4 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.3 0.3 UV-531 0.3 0.3 UV-2908 0.3 0.3 0.3 0.3 Amounts are given in parts by weight.

[0132] The resistance to color fade of colored (blue and red), scented candle wax compositions of the present invention (Examples 11-12) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 11-12).

Examples 13-14 and Comparative Examples 13-14

Color fade of Colored, Unscented Candle Wax

[0133]

TABLE-US-00007 Ex. 13 Comp. Ex. 13 Ex. 14 Comp. Ex. 14 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.15 0.15 UV-531 0.15 0.15 AO-1135 0.05 0.05 0.05 0.05 Amounts are given in parts by weight.

[0134] The resistance to color fade of colored (blue and red), unscented candle wax compositions of the present invention (Examples 13-14) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 13-14).

Examples 15-16 and Comparative Examples 15-16

Color fade of Colored, Scented Candle Wax

[0135]

TABLE-US-00008 Ex. 15 Comp. Ex. 15 Ex. 16 Comp. Ex. 16 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Vanilla fragrance 4 4 4 4 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.4 0.4 UV-531 0.4 0.4 AO-1135 0.2 0.2 0.2 0.2 Amounts are given in parts by weight.

[0136] The resistance to color fade of colored (blue and red), scented candle wax compositions of the present invention (Examples 15-16) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 15-16).

Examples 17-18 and Comparative Examples 17-18

Color fade of Colored, Unscented Candle Wax

[0137]

TABLE-US-00009 Ex. 17 Comp. Ex. 17 Ex. 18 Comp. Ex. 18 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.1 0.1 UV-531 0.1 0.1 UV-123 0.1 0.1 0.1 0.1 Amounts are given in parts by weight.

[0138] The resistance to color fade of colored (blue and red), unscented candle wax compositions of the present invention (Examples 17-18) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 17-18).

Examples 19-20 and Comparative Examples 19-20

Color fade of Colored, Scented Candle Wax

[0139]

TABLE-US-00010 Ex. 19 Comp. Ex. 19 Ex. 20 Comp. Ex. 20 Soy wax 70 70 70 70 Paraffin wax 30 30 30 30 Vanilla fragrance 4 4 4 4 Blue dye 0.04 0.04 Red dye 0.04 0.04 UV-531L 0.3 0.3 UV-531 0.3 0.3 UV-123 0.3 0.3 0.3 0.3 Amounts are given in parts by weight.

[0140] The resistance to color fade of colored (blue and red), scented candle wax compositions of the present invention (Examples 19-20) after 28 days of exposure to fluorescent lamps is found to be superior to candle wax compositions of the prior art (Comparative Examples 19-20).