The invention relates to a new dialkyl tin oxide catalyst composition and its use for the synthesis of amino alkyl (meth)acrylates by transesterification from an alkyl (meth)acrylates and an amino alcohol, and especially 2-dimethylaminoethyl (meth)acrylate. The invention also relates to polymers made with quaternized amino alkyl (meth)acrylates and use of said polymers in water treatment, sludge dewatering, papermaking process, agriculture, cosmetic and detergency composition, textile process, oil and gas recovery process such as enhanced oil recovery, fracturing, mining operation such as tailings treatment.

The invention relates to a new dialkyl tin oxide catalyst composition and its use for the synthesis of amino alkyl (meth)acrylates by transesterification from an alkyl (meth)acrylates and an amino alcohol, and especially 2-dimethylaminoethyl (meth)acrylate. The invention also relates to polymers made with quaternized amino alkyl (meth)acrylates and use of said polymers in water treatment, sludge dewatering, papermaking process, agriculture, cosmetic and detergency composition, textile process, oil and gas recovery process such as enhanced oil recovery, fracturing, mining operation such as tailings treatment.

A method for producing a hetero-type monodisperse polyethylene glycol, which includes (A) carrying out a nucleophilic substitution reaction between a compound of formula (2) and a compound of formula (3) so as to satisfy expression (F1) to obtain a compound of formula (4), (B) of carrying out a Michaels addition reaction of a compound of formula (5) to the compound of formula (4) at a temperature condition of 10? C. or lower to obtain a compound of formula (6), (C) detritylating or debenzylating the compound of the formula (6) to obtain a reaction product containing a compound of formula (7), (D) purifying the compound of formula (7) from the reaction product, (E) reacting the compound of formula (7) with phthalimide and performing dephthalimidation to obtain a compound of formula (8), and (F) subjecting the compound of formula (8) to an acid hydrolysis treatment to obtain a compound represented by formula (1).

A method for producing a hetero-type monodisperse polyethylene glycol, which includes (A) carrying out a nucleophilic substitution reaction between a compound of formula (2) and a compound of formula (3) so as to satisfy expression (F1) to obtain a compound of formula (4), (B) of carrying out a Michaels addition reaction of a compound of formula (5) to the compound of formula (4) at a temperature condition of 10? C. or lower to obtain a compound of formula (6), (C) detritylating or debenzylating the compound of the formula (6) to obtain a reaction product containing a compound of formula (7), (D) purifying the compound of formula (7) from the reaction product, (E) reacting the compound of formula (7) with phthalimide and performing dephthalimidation to obtain a compound of formula (8), and (F) subjecting the compound of formula (8) to an acid hydrolysis treatment to obtain a compound represented by formula (1).

A macromolecules containing metal and a use thereof as a catalyst, said macromolecules containing metal being obtained by causing a ligand to react with a zinc compound or a cobalt compound, said ligand having an imidazole group that is bonded to a macromolecule via a linker.

The present invention relates to fabric softener active compositions comprising a combination of a mixture of quarternary ester ammonium compounds and fatty solvents ( a fatty acid ester, a fatty acid, a fatty alcohol and mixtures thereof) and methods of making and using the same. The fabric softener active compositions preferably comprise component (a), said component being a mixture of quarternary ester ammonium compounds obtained by esterification of a mixture of alkanolamines comprises at least a trialkanolamine and a monoalkyldialkanolamine; component (b), said component being a fatty acid ester or a mixture of fatty acid esters, wherein the component (b) content is in the range from 5 to 60% wt. based on the total weight of the fabric softener active composition; and a component (c), said component being a fatty acid or a mixture of fatty acids, wherein the component (c) content is in the range from 0 to 15% wt. based on the total weight of the fabric softener active composition. The invention also proposes fabric softener compositions, comprising the previously described active compositions, and methods of making and using the same.

The present invention relates to fabric softener active compositions comprising a combination of a mixture of quarternary ester ammonium compounds and fatty solvents ( a fatty acid ester, a fatty acid, a fatty alcohol and mixtures thereof) and methods of making and using the same. The fabric softener active compositions preferably comprise component (a), said component being a mixture of quarternary ester ammonium compounds obtained by esterification of a mixture of alkanolamines comprises at least a trialkanolamine and a monoalkyldialkanolamine; component (b), said component being a fatty acid ester or a mixture of fatty acid esters, wherein the component (b) content is in the range from 5 to 60% wt. based on the total weight of the fabric softener active composition; and a component (c), said component being a fatty acid or a mixture of fatty acids, wherein the component (c) content is in the range from 0 to 15% wt. based on the total weight of the fabric softener active composition. The invention also proposes fabric softener compositions, comprising the previously described active compositions, and methods of making and using the same.

Disclosed are an acetylsalicylic acid derivative, i.e. a 2-(diethylamino)ethyl 2-acetoxy-benzoate hydrochloride crystal, and a preparation method and use thereof. The X-ray powder diffraction (XRPD) pattern of the crystal has characteristic peaks at the following 2 angle: 11.00.2, 20.60.2, 25.10.2, 8.20.2, 16.50.2, 13.40.2, 25.40.2.

##STR00001##

Disclosed are an acetylsalicylic acid derivative, i.e. a 2-(diethylamino)ethyl 2-acetoxy-benzoate hydrochloride crystal, and a preparation method and use thereof. The X-ray powder diffraction (XRPD) pattern of the crystal has characteristic peaks at the following 2 angle: 11.00.2, 20.60.2, 25.10.2, 8.20.2, 16.50.2, 13.40.2, 25.40.2.

##STR00001##

Disclosed herein are gemini surfactants, and methods for making and using these gemini surfactants. These gemini surfactants may be incorporated in paints and coatings to provide hydrophilic and/or self-cleaning properties.