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9023590 Deep-ultraviolet chemically-amplified positive photoresist  
The invention discloses a deep-ultraviolet chemically-amplified positive photoresist. The deep-ultraviolet chemically-amplified positive photoresist according to one embodiment of the invention...
8846973 Process for producing hydrogenated aromatic polycarboxylic acid  
A production method of a hydrogenated product of aromatic polycarboxylic acid by the hydrogenation of aromatic ring of the aromatic polycarboxylic acid in the presence of a catalyst composed of...
8722928 Stable and non-precipitating aqueous compositions containing the potassium salt of (S)-(+)-abscisic acid, and methods of their preparation and use  
The present invention generally relates to aqueous compositions containing salts of (S)-(+)-abscisic acid, the surfactant Atlox™ 4913, and the color stabilizers sodium citrate and sodium acetate,...
8722922 Process for hydrogenation of polycarboxylic acids or derivatives therof  
The disclosure provides a process for hydrogenation of polycarboxylic acids or derivatives thereof, including: hydrogenation of polycarboxylic acids or derivatives thereof in the presence of a...
8710156 Process of preparing functionalized polymers via enzymatic catalysis  
The invention relates to functionalized, telechelic polymers synthesized by enzymatic catalysis and methods, and the functionalization of polymers via Michael addition with a lipase catalyst, and...
8586784 Method for continuous catalytic hydrogenation  
The invention relates to the preparation of alicyclic carboxylic acids or their derivatives by selective hydrogenation of the corresponding aromatic carboxylic acid (derivatives) in at least two...
8367859 Cyclohexane 1,4 carboxylates  
The present invention relates to cyclohexanes having carboxylate derivatives at the 1 and 4, and optionally the 2, position. The invention also relates to processes for preparing such compounds...
8258185 Use of neboglamine in the treatment of toxicodependency  
Use of neboglamine, (S)-4-amino-N(4,4-dimethyl-cyclohexyl)glutamic acid (CR 2249) (CAS Registry Number 163000-63-3), the racemic mixture thereof or a pharmaceutically acceptable salt thereof, for...
8207375 Microporous catalyst and method for hydrogenating aromatic compounds  
The invention relates to the hydrogenation of aromatic compounds, in particular the preparation of alicyclic polycarboxylic acids or their esters by core hydrogenation of the corresponding...
8203017 Hydrogenation of benzene polycarboxylic acids or derivatives thereof  
A process for hydrogenating benzenepolycarboxylic acids or derivatives thereof, such as esters and/or anhydrides, is provided.
8067630 T-butyl cascade polymers  
A method for forming cascade polymers specifically utilizing the amine monomer of the formula The monomer is made by initially reacting nitromethane and CH2═CHCO2—TBu by nucleophilic addition to...
8026279 Crystalline form of γ-aminobutyric acid analog  
A crystalline form of a γ-aminobutyric acid analog, and methods of preparing same, are provided.
7893295 Hydrogenation of benzene polycarboxylic acids or derivatives thereof  
A process for hydrogenating benzenepolycarboxylic acids or derivatives thereof, such as esters and/or anhydrides, by bringing one or more benzenepolycarboxylic acids or one or more derivatives...
7790916 Carbocyclic and oxacarbocyclic fumaric acid oligomers  
The present invention relates to certain carbocyclic and oxacarbocyclic fumaric acid oligomers and the use thereof for preparing a pharmaceutical preparation as well of pharmaceutical preparations...
7732634 Hydrogenation processes  
The present invention is directed to a process for hydrogenating one or more organic compounds especially unsaturated organic compounds by bringing the compound into contact with a...
7595420 Hydrogenation of benzene polycarboxylic acids or derivatives thereof  
A process for hydrogenating benzenepolycarboxylic acids or derivatives thereof, such as esters and/or anhydrides, by bringing one or more benzenepolycarboxylic acids or one or more derivatives...
7507856 Method of oxidising hydrocarbons to acids  
The present invention relates to a process for the oxidation of hydrocarbons, in particular of branched or unbranched saturated aliphatic hydrocarbons, of cycloaliphatic or alkylaromatic...
7435848 Method for preparing alicyclic carboxylic acids and their esters  
A method for the continuous preparation of an alicyclic carboxylic acid or an ester of the alicyclic carboxylic acid. A plastic which incorporates the alicyclic carboxylic acid or an ester of the...
7420086 Process for producing trans-1,4-cyclohexanedicarboxylic acid  
A subject for the invention is to obtain trans-1,4-cyclohexanedicarboxylic acid (t-CHDA) in a high concentration by efficiently isomerizing cis-1,4-cyclohexanedicarboxylic acid (c-CHDA) by a...
7319161 Method for producing cyclohexane dicarboxylic acids and the derivatives thereof  
The invention relates to a process for preparing cyclohexanedicarboxylic acids or derivatives thereof, such as esters and/or anhydrides, encompassing the reaction of diene/maleic acid anhydride...
6849686 Polymeric pigment dispersant utilized as a grind resin for pigments and method of preparing the same  
The present invention is directed to a polymeric pigment dispersant to be used as a grind resin to incorporate pigment into a pigment dispersion for a coating composition. The polymeric pigment...
6610884 Polycarboxylic acids, preparation thereof and use thereof for treating cellulosic fibres or textile or paper materials produced therefrom  
A process is provided for preparing specific polycarboxylic acids by oxidative cleavage of double-bond compounds with hydrogen peroxide or hydrogen peroxide donors. The polycarboxylic acids thus...
6541662 Process for producing a hydrogenation product of an aromatic carboxylic acid  
A process for producing a hydrogenation product of aromatic carboxylic acid which comprises continuously producing the hydrogenation product of aromatic carboxylic acid by hydrogenating an...
6489504 Malic acid and oxalacetic acid derivatives  
A malic acid or oxalacetic acid derivative is represented by the following formula (1): wherein ring Z is an alicyclic carbon ring; each of Ra and Rb is independently a hydrogen atom, a metal...
6368569 Method of solubilizing unshortened carbon nanotubes in organic solutions  
Naked carbon nanotubes are dissolved in organic solutions by terminating the nanotubes with carboxylic acid groups and attaching an aliphatic carbon chain so as to render the carbon nanotubes soluble.
6291706 Hydrogenation of phthalic acids to cyclohexanedicarboxylic acid  
The present invention relates to an improved process for the hydrogenation of phthalic acids over a supported palladium catalyst. Phthalic acids are hydrogenated with improved selectivity in...
6239252 Single step process for the preparation of poly (oxyalkylene)-alpha, omega-dicarboxylic acid  
The invention relates to single step process for the preparation of poly (oxyalkylene)-alpha, omega-dicarboxylic acids of the formula HO2 CCH2 O(CH2 CHRO)n CH2 CO2 H, wherein R is hydrogen, methyl...
6103933 Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator  
Methods for controlling the oxidation rate of a hydrocarbon to an acid by adjusting addition of a rate-modulator are disclosed. In order to control oxidation rate, the ratio of hydrocarbon to rate...
6103925 Dimethyl-substituted cyclohexane diene derivatives  
The present invention relates to dimethyl-substituted cyclohexanediene derivatives, to a process for their preparation, to their use as pharmaceuticals and to corresponding pharmaceuticals.
6084125 Process for producing aliphatic acids using a reactor system having a shell and a tube reactor configuration to force circulation of reaction liquid  
A shell and tube heat exchanger reactor with forced circulation is used to improve heat and mass transfer for exothermic liquid--liquid, gas-liquid and gas-liquid-solid reactions. Enhanced...
5998572 Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements  
Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating the temperature hold-up time, and conversion in consecutive reaction zones. The temperature in the...
5985789 Ru, Sn/oxide catalyst and process for hydrogenation in acidic aqueous solution  
Improved hydrogenation catalysts consisting essentially of reduced or at least partially reduced ruthenium and tin on a refractory oxide support which is insoluble in aqueous acid. Such catalysts...
5939582 Reaction control by regulating internal condensation inside a reactor  
Methods and apparatuses for controlling exothermic reactions involving a first reactant contained in a liquid and a second reactant in a gas to form a reaction product by atomizing the liquid in...
5831118 Epimerization of 2- or 4- substituted cyclohexanecarboxylic acids  
The present invention relates to a new method for obtaining a purity of about 93% to 100% of the trans form of 2- or 4-substituted cyclohexanecarboxylic acid or reactive derivatives thereof from...
5741814 Cyclooctadiene derivatives  
Cyclooctadiene derivative of the following formula (1): ##STR1## wherein A1, A2, A3 and A4 each independently represent COOR5 (where R5 represents a hydrogen atom, a C1 -C10 alkyl group, a phenyl...
5739376 Fullerene derivatives, methods of preparing them and their use  
Fullerene derivatives, methods of preparing the same and methods of using the same, wherein the fullerene derivatives are of the formula I ##STR1##
5726320 Preparation of bicyclohexane derivative  
A process for the preparation of (+)-2-amino-bicyclo 3.1.0!-hexane-2-6-dicarboxylic acid, or a pharmaceutically acceptable salt thereof, which comprises hydrolysing (-)-2-spiro-5'-hydantoinbicyclo...
5723650 Cyclohexane tricarboxylic acid derivative and method for the preparation thereof  
Disclosed is a novel compound having activity as an ionophore for ion transport, which is a monoester or monoamide of 1,3,5-trimethyl-1,3,5-cyclohexane tricarboxylic acid, i.e. Kemp's triacid or...
5591893 Process for the preparation of polycarboxylic acids and derivatives thereof  
The invention relates to a process for the preparation of polycarboxylic acids and derivatives thereof, the polycarboxylic acids prepared containing at least three carboxyl groups, comprising the...
5430184 Process for preparing 1,4-cyclohexandicarboxylic acid  
An economic hydrogenation process is provided which significantly suppresses palladium catalyzer activity loss, for obtaining very high purity 1,4-CHDA through a simple operation. The process...
5412108 Method for preparing 1,2,4-cyclohexanetricarboxylic acid and anhydride  
A method for preparing cis, cis, cis-1,2,4-cyclohexanetricarboxylic acid comprising contacting trimellitic acid with molecular hydrogen at an elevated temperature and pressure in the presence of a...
5286879 Process for the preparation of mono-condensation derivatives of adipic acid  
An improved process for preparing mono-condensation derivatives of adipic acid with fewer steps and better purity is disclosed. In particular, this process comprises: (a) forming relatively...
5286903 Process for the preparation of cyclohexanedicarboxylic acids  
Disclosed are processes for the preparation of cyclohexanedicarboxylic acids by the non-catalytic hydrolysis or acidolysis of dialkyl cyclohexanedicarboxylate esters. The processes provide a means...
5278339 Process for the recovery of cyclohexanedicarboxylic acids  
Disclosed is a process for the recovery of a cyclohexanedicarboxylic acid from an aqueous solution of the cyclohexanedicarboxylic acid and sodium sulfate by contacting the solution with...
5202475 Process for preparation of cyclohexanedicarboxylic acid  
A process for preparation of 1,3- or 1,4-cyclohexanedicarboxylic acid comprising (A) preparing a solution comprised of the disodium salt of terephthalic acid or isophthalic acid and water, (B)...
5187304 Trifunctional monomer compounds, polyesters derived therefrom and thermosetting coating compositions containing the polyesters  
Provided are 1,5-bis(4-carboxycyclohexyl)-3-pentanol and its esters and processes for their preparation. Also provided are polyester compositions containing this residue, thermosetting coating...
5159109 Purification of organic polycarboxylic acids  
There is provided a method for purifying an organic polycarboxylic acid wherein the amounts of organic monofunctional impurities associated therewith are substantially reduced, which method...
5124412 Block copolymer from carboxy terminated polyamide and polyol  
A carboxy acid-terminated polyamide is reacted with an alkylene glycol, a polyalkylene glycol, nitrogen base or an alkanol amine (followed by an alkanoic acid) to provide a block copolymer. These...
5053534 Process for making a dicarboxylic acid  
A 21-carbon aliphatic branched chain dicarboxylic acid is produced by reacting pre-conjugated fatty acid (which contains linoleic acid) with acrylic acid at a temperature between 180° C. and 300°...
5001260 Tetracarboxylic acids  
A process for polymerizing unsaturated dicarboxylic acids comprises heating the acids in the presence of a catalytic proportion of an unactivated clay and water. The product dimer is distilled to...

Matches 1 - 50 out of 184 1 2 3 4 >