Patent classifications
C07C43/135
Method for producing fluoropolyether
A process for preparing a low-molecular weight fluoropolyether containing an acid fluoride by decomposing a triflate or trifluoroacetate of a fluoropolyether having a hydroxyl group in the presence of a Lewis acid.
Preparation of polyglycerols
The invention relates to a method for preparing polyglycerol, comprising providing a catalyst salt on a support, the catalyst salt having catalytic activity with respect to an etherification reaction of a polyol selected from the group of glycerol and oligoglycerols, contacting the catalyst salt on the support with a fluid phase comprising a polyol selected from the group of glycerol and oligoglycerols, and subjecting the polyol in the fluid phase to an etherification reaction in the presence of the catalyst salt, thereby forming the polyglycerol.
Preparation of polyglycerols
The invention relates to a method for preparing polyglycerol, comprising providing a catalyst salt on a support, the catalyst salt having catalytic activity with respect to an etherification reaction of a polyol selected from the group of glycerol and oligoglycerols, contacting the catalyst salt on the support with a fluid phase comprising a polyol selected from the group of glycerol and oligoglycerols, and subjecting the polyol in the fluid phase to an etherification reaction in the presence of the catalyst salt, thereby forming the polyglycerol.
SELECTIVE SELF-ASSEMBLED MONOLAYERS VIA SPIN-COATING METHOD FOR USE IN DSA
The present invention relates to a compound of structure (I), wherein A is a core moiety which is selected from structure (Ia), (Ib), (Ic) and (Id), to which is attached through X, a direct valence bond or a divalent linking group, m number of linear alkylene moieties of chain length n where each said linear alkylene moiety has a terminal B reactive moiety, and further wherein * designates possible attachment point of said linear alkylene moieties in each structure, B is selected from OH, CHCH.sub.2, O(PO)(OR).sub.2, O(PO)(OR)R.sub.s, N.sub.3 and SH, where n ranges from 8 to 12. The invention also pertains to composition comprising these compounds and the use these compositions to form self-assembled monolayers (SAM) the use of these in DSA processing as neutral or directing layers which can be removed selectively from metal substrates.and the remover solution to accomplish this selective removal.
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BRIDGED BI-AROMATIC LIGANDS AND TRANSITION METAL COMPOUNDS PREPARED THEREFROM
Disclosed are novel bridged bi-aromatic phenol ligands and transition metal compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds.
Ethoxylated diols and compositions containing ethoxylated diols
The present invention relates generally to surfactant and detergent compositions and, more specifically, to surfactant and detergent compositions containing an ethoxylated diol.
NARROW RANGE ALCOHOL ALKOXYLATES AND DERIVATIVES THEREOF
The present invention relates generally to narrow range alcohol alkoxylates and derivatives thereof, such as alkyl ether sulfates.
NARROW RANGE ALCOHOL ALKOXYLATES AND DERIVATIVES THEREOF
The present invention relates generally to narrow range alcohol alkoxylates and derivatives thereof, such as alkyl ether sulfates.
METHODS FOR PREPARING GLYCEROL TERT-BUTYL ETHERS
Methods for generating glycerol tert-butyl ethers include reacting isobutylene and glycerol in the presence of a catalyst and a co-solvent cum co-reactant to produce a mono-, di-, or tri-glycerol tert-butyl ether, where the isobutylene and glycerol are partially miscible.
METHODS FOR PREPARING GLYCEROL TERT-BUTYL ETHERS
Methods for generating glycerol tert-butyl ethers include reacting isobutylene and glycerol in the presence of a catalyst and a co-solvent cum co-reactant to produce a mono-, di-, or tri-glycerol tert-butyl ether, where the isobutylene and glycerol are partially miscible.