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8987410 Terminal unsaturated, glycidol-based macromonomers, polymers obtainable therefrom, preparation and use  
Process for preparing a macromonomer, in which a starting compound H2C═CR1—C6H4-s(R4)s—R3—OH or H2C═CR2—CO—NH—R3—OH, where R1 and R2 are each H or a linear or branched alkyl radical having from 1...
8618337 Process for preparing polyether alcohols  
The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises...
7867952 Flexible polymer, particles prepared therefrom and process for preparing the same  
Disclosed are a flexible polymer, particles made from same, and a process for preparing the particles. This flexible polymer is obtained from copolymerizing monomer (A) and monomer (B), wherein...
7781563 Preparing method of methoxypolyethyleneglycol and its derivatives  
The present invention relates to a preparing method of methoxypolyethyleneglycol (mPEG) with high purity and derivatives thereof. More precisely, the method of the present invention to prepare...
7169956 Double metal cyanide complex catalyst, its production process and its utilization  
Provided is a double metal cyanide complex catalyst with a high activity which is readily produced on an industrial scale. The double metal cyanide complex catalyst is of a fine particle form and...
6933063 Spirobifluorene compounds, electroluminescence polymer and electroluminescence element having the same  
Provided are spirobifluorene compounds which can provide excellent processibility with improved solubility in organic solvents, an electroluminescence (EL) polymer obtained therefrom and an EL...
6869543 Amine-initiated polyether polyols and a process for their production  
Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis...
6855844 Phtalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for preparing same  
Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such...
6569352 Phthalic anhydride based polyester-ether polyols and urethane prepolymers produced therefrom  
Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such...
6552091 Block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use  
The invention relates to block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use as low-foam pigment wetting agents in aqueous pigment pastes with...
6552213 Stereoselective route to produce tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene, an intermediate in the synthesis of trans-resveratrol  
The present invention relates to a new stereoselective method for the preparation of tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyp henyl)ethene derivative of the formula (I) which...
6444858 Method of reducing flock during alkoxylation  
The present invention provides a method for alkoxylating organic compounds comprising contacting an organic compound adapted to be alkoxylated with an alkylene oxide in a reaction vessel under...
6410801 Continuous process for the production of polyether polyols  
A continuous alkoxylation process for the production of polyether polyols is disclosed. The process comprises the use of a plurality of reaction modules each having an outer tube and an inner tube...
6320085 Process for the preparation of benzyl-ethers  
##STR1##The subject matter of the invention is the process for the preparation of mixed ethers of formula I, wherein Ar represents an aromatic or one or more heteroatom-containing moiety,...
6303533 Process for preparing two-metal cyanide catalysts  
A process for preparing double metal cyanide catalysts, comprising combining an aqueous solution of a metal salt of the formula M1m (X)n, with an aqueous solution of a cyanometallic acid of the...
6281393 Polyols useful for preparing water blown rigid polyurethane foam  
Mannich polyols having a viscosity of from 300 to 3,500 cps (0.3 to 3.5 Pa*s) at 25° C. are prepared by admixing a phenol, an alkanolamines, and formaldehyde mixed in molar ratios of from 1:1:1 to...
6248889 Process for converting an alcohol to the corresponding fluoride  
A process for preparing a fluoride from its corresponding alcohol comprises the steps of (a) forming a mixture comprising (i) at least one fluorinated, saturated aliphatic or alicyclic sulfonyl...
6022937 Polyether polyols based on triazole group containing compounds and a process for their production  
This invention relates to novel polyether polyols and to a process for their production. These polyether polyols are prepared by forming a polyhydroxyl group containing component in a first step...
5889092 Method of modifying the rheological properties of latex paint  
The rheological properties of latexes and latex paint formulations thickened with non-urethane thickeners according to the invention are modified by adding to the latex or latex paint formulation...
5885952 Multifunctional detergent base  
A detergent base which is obtainable from the reaction of an ethylenically unsaturated sulfonic acid or carboxylic acid or anhydride thereof with a nonionic surfactant of the formula R1...
5885951 Aqueous solution for tile, tub and grout cleaning  
A cleaner of the present type disclosed is a water based, alkaline product that might contain solvents, surface active agents, chelating agents, antimicrobial agents and/or other materials such as...
5877214 Polyaryl-poly(ethylene glycol) supports for solution-phase combinatorial synthesis  
The present invention is directed to the certain polyaryl-poly(ethylene glycol) compounds ("polyaryl-PEG" compounds) which are useful as soluble polyvalent supports in the preparation of...
5728796 Process to react epoxide-containing compounds and aliphatic alcohols  
A process reaction between: (1) a compound that contains one or more epoxide moieties per molecule, and (2) a compound that contains one or more primary aliphatic hydroxyl groups per molecule; is...
5723694 Process for preparing monomethylated or dimethylated phenols  
Phenols monomethylated or dimethylated in the ortho or para position to the OH group and having the formula ##STR1## can be prepared by reaction of tert-alkyl-substituted phenols of the formula...
5714638 Preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol and product  
Polyoxyalkylene glycol monoethers of monohydric alcohols are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the...
5714639 Double metal cyanide catalysts and methods for making them  
Improved double metal cyanide (DMC) catalysts useful for making epoxide polymers are disclosed. One catalyst is a paste of a double metal cyanide (DMC) compound, an organic complexing agent, and...
5659068 Preparation of polyoxyalkylene glycol monoesters of monocarboxylic acids  
Polyoxyalkylene glycol monoesters of carboxylic acids are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the amount...
5621133 Dopamine agonists  
Novel compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, wherein A is --O--, --S-- or --CR2 R8 --; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10,...
5576275 Oil soluble polyalkylene glycols  
A sequential block copolymer of the formula: R1 X--[Cy H2y O)m)Cx H2x O)n --H](I)containing: (i) a moiety R1 X derived from a starter molecule having at least one active hydrogen wherein R1 X is...
5456847 Low foaming, nonsilicone aqueous textile auxiliary compositions and the preparation and use thereof  
There are disclosed low foaming, nonsilicone aqueous textile auxiliary compositions comprising(a) a reaction product of a nonionic surfactant of formula ##STR1## wherein R is an aliphatic radical...
5440060 Surface-active compounds based on alkoxylated fatty amines  
The demands on the properties of pigments, in particular in the areas of emulsion paints and printing inks, which are continuously becoming more specific made it necessary to develop selective and...
5416240 Preparation of poloxy-alkylene glycols  
Polyoxyalkylene glycols are prepared by a process in which tetrahydrofuran is polymerized with a total of not more than 95 mol %, based on the amount of tetrahydrofuran used, of one or more...
5414143 Preparation of polyoxyalkylene glycol monoethers of monohydric alcohols  
Polyoxyalkylene glycol monoethers of monohydric alcohols are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the...
5342903 Process for the preparation of adducts of epoxides and alcohols  
A process for the preparation of adducts by reacting an alcohol with an epoxy compound in the presence of a catalyst, which comprises reacting an alcohol of formula I ##STR1## wherein A is an...
5321164 Use in perfumery of 2(1-vinyl-5-hexenyl) cyclopentanone, a process for preparing same, and process intermediates  
Described is the 2(1-vinyl-5-hexenyl)cyclopentanone having the structure: ##STR1## a process for preparing same by reacting the compound having the structure: ##STR2## with the compound having the...
5210322 Processes for the preparation of ethers  
A process for preparing ethers which comprises contacting a carboxylated ether with a metal oxide catalyst under conditions effective to produce the ether.
5189204 Optical active 3-(2-trifluoro-1-hydroxyethyl) propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound  
3-(2-Trifluoro-1-hydroxyethyl)propenyl benzyl ether or derivatives thereof having the formula ##STR1## wherein R is a substituted or not substituted phenyl group and a mark * shows an asymmetric...
5183923 Process for preparing primary hydroxyl-containing diols  
The invention concerns a method for the preparation of polyurethane, polyester, polyamide, and polyurea diols which contain essentially all primary hydroxyl groups without capping by ethylene...
5106885 Radiation curable compositions containing multifunctional vinyl ether monomers and protective coatings formed therefrom  
What is provided herein are radiation curable compositions containing (a) multifunctional vinyl ether monomers having the formula: X--R1 --Y1 --R2 --Y2)n CHCH2 ]m where X is a 5-8 membered ring,...
5104987 Alkoxylation of active hydrogen-containing compounds  
This invention relates to a process for the alkoxylation of an active hydrogen-containing compound comprising contacting the active hydrogen-containing compound with an alkylene carbonate in the...
5097076 Phenylalkyl glycidyl ether addition products  
Addition products of phenylalkyl glycidyl ethers to polyalkylene glycol ethers of the formula R-O Alkylene--Om H (1)their acid esters and salts thereof, wherein R is an aliphatic radical having at...
5091588 Fluorinated styrene derivatives and method for making  
Fluorinated styrene derivatives of the general formula: ##STR1## wherein n is an integer of 1 to 3 are novel. They form homopolymers and copolymers having water and oil repellency, chemical...
RE33658 Lubricants for reciprocating air compressors  
Synthetic lubricants comprising 15 to 45 weight percent of an ester of a monohydric alcohol of 4 to 18 carbon atoms with one or more aromatic or alkane dicarboxylic acids having 4 to 18 carbon...
4987271 Method for purifying a polyoxyalkylene alcohol  
A method for purifying a polyoxyalkylene alcohol, which comprises treating with a treating agent consisting essentially of a pH buffer, a polyoxyalkylene alcohol containing a double metal cyanide...
4985077 Watercolor ink  
A watercolor ink contains a water-soluble dye, water, and at least one benzyl ether represented by the general formulas ##STR1## (wherein n1 stands for an integer of 3 to 15) and ##STR2## (wherein...
4985590 Optically active benzene derivatives and process for preparation thereof  
Disclosed are novel optically active benzene derivatives represented by the formula (I): ##STR1## wherein R represents an alkyl or alkoxyalkyl group having 1 to 20 carbon atoms, which group may...
4962237 Catalytic process for the preparation of polyols  
A catalytic process for polymerizing epoxides using active hydrogen initiators forming polyols having low unsaturation levels and high primary hydroxyl levels. The catalysts useful in this process...
4957986 Partially fluorinated polyesters from ketene acetals and fluorine monomers  
Partially fluorinated polyesters are disclosed having increased biodegradability and water repellency. The incorporation of an ester group into the backbone of the partially fluorinated compound...
4946984 Alkoxylation using a calcium sulfate catalyst  
This invention relates to the use of calcium sulfate as a catalyst in the preparation of alkoxylation products, i.e., condensation reaction products of alkylene oxides and organic compounds having...
4943626 Primary polyether active hydrogen compounds which are prepared from linked, protectively initiated polyalkyleneoxides  
Polyether active hydrogen compounds having at least two terminal active hydrogen groups on primary carbon atoms are prepared by (a) forming polyoxyalkylene molecules each having at least one...

Matches 1 - 50 out of 139 1 2 3 >