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8829229 Polyol ethers and process for making them  
New polyol ether compounds and a process for their preparation. The process comprises reacting a polyol, a carbonyl compound, and hydrogen in the presence of hydrogenation catalyst, to provide the...
8653131 Polymeric benzyl carbonate-derivatives  
The present invention relates to polymeric derivatives, which can be conjugated to an amino-containing drug to improve its in vivo properties. The polymeric derivative can subsequently be released...
8420109 Oily base for a cosmetic and a cosmetic comprising the same  
The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from...
8357736 Defoaming agent for water-based paint  
A defoaming agent which can effectively eliminate foams generated in the occasions of preparation, coating, drying and baking of water-based paint, by addition thereof by itself, without combined...
8299293 Process for preparing α-keto acids and derivatives thereof  
A method for preparing α-keto acids, especially α-ketomethionine, and/or derivatives thereof, whereby an aldehyde is reacted with thiols to give a corresponding dithioacetal, the dithioacetal...
8143325 Bioabsorbable and biocompatible polyurethanes and polyamides for medical devices  
Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member...
8133945 Defoaming agent for water based paint  
A defoaming agent which can effectively eliminate foams generated in the occasions of preparation, coating, drying and baking of water-based paint, by addition thereof by itself, without combined...
8124800 Process for the preparation of oxidized phospholipids  
Novel synthetic routes, which are highly applicable for industrial preparation of therapeutically beneficial oxidized phospholipids are disclosed. Particularly, novel methods for efficiently...
7888083 Process for the preparation of dihydroxy esters and derivatives thereof  
A process is provided for the preparation of a compound of formula (1) wherein R and R′ represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The...
7858821 Intermediate compounds useful to prepare dolasetron  
The present invention relates to intermediates useful in the synthesis of Dolasetron and synthetic precursors thereof, as well as to processes for obtaining them. In addition, it refers to the...
7772352 Bioabsorbable and biocompatible polyurethanes and polyamides for medical devices  
Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member...
7732171 Process for the preparation of dihydroxy esters and derivatives thereof  
A process is provided for the preparation of a compound of formula (1) wherein R and R′ represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The...
7550625 Esters of florfenicol  
The invention relates to compounds of formula (I): wherein R is —C(O)CH2OCH2CH2OCH3 or —C(O)CH2N(CH3)2. The invention also relates to pharmaceutical compositions comprising a compound formula (I)...
7550617 Compositions and methods for the treatment of renal and cardiovascular disease  
Derivative compounds of 11-nonyloxy-undec-8(Z)-eonic acid that mimic epoxide metabolites are provided. Also provided are compositions comprising a therapeutically effective amount of the...
7531688 Method for recovering unreacted alcohol from biodiesel product streams by flash purification  
A method for making fatty acid esters by reacting triglycerides with an excess of alcohol in a pressurized environment, where the unreacted alcohol component is separated from the reaction product...
7416865 Process for the preparation of dihydroxy esters and derivatives thereof  
A process is provided for the preparation of a compound of formula (1) wherein R and R′ represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The...
7169950 Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds  
The invention relates to a method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds by ozonizing, unsaturated organic carbon compounds that, per molecule, have...
7091375 Method for the production of 2=-keto-l-gulonic acid C4C10 alkyl esters  
The invention relates to a method for producing 2-keto-L-gulonic acid-C4–C10 alkyl ester by esterifying 2-keto-L-gulonic acid (KGS) with an unsaturated, branched or unbranched C4–C10 alcohol. The...
6956018 Polyoxyalkylene monoalkyl ether, process for producing the same, polymerizable polyoxyalkylene monoalkyl ether derivative, polymer of said derivative and dispersant comprising said polymer  
A polymerizable polyoxyalkylene monoalkyl ether derivative prepared by using a polyoxyalklene monoalkyl ether which gives, in gel permeation chromatography, a chromatogram which satisfies a...
6825377 Method for the dihydroxylation of olefins using transition metal catalysts  
This invention relates to process for dihydroxylation of olefins using transition metal catalysts to obtain monofunctional, bifunctional, and/or polyfunctional 1,2-diols of the formula (I)...
6812368 Diastereoselective hydrogenation of 1,3-hydroxyketones  
The invention relates to a novel process of diastereoselective hydrogenation of 1,3-hydroxyketones of formula (I) wherein R, R′ and R″ are as defined in claim 1 which is carried out in a solvent...
6649786 Ester-forming addition reaction product  
This invention provides a process to produce a hydroxyl group-containing ester-forming addition reaction product having an acid value of 20 mgKOH/g or less, which process is characterized in that...
RE38324 Process for the preparation of hydroxy substituted gamma butyrolactones  
Preparation of 4-hydroxy substituted butyrolactones is described. A process for the preparation of 3-hydroxybutyrolactone, 1.2.4-trihydroxybutane and 3,4-dihydroxy acid methyl ester from malic...
6620964 Preparation of dihydroxycarboxylic esters in the absence of solvents  
A description is given of a process for preparing dihydroxycarboxylic esters and of an overall process for preparing R-(+)-α-lipoic acid.
6610892 Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals  
The invention relates to a process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals of the general formula I which comprisesa) condensing an ester phosphonium salt of the general formula...
6608230 Single-stage method for producing α-hydroxy ethers by oxidizing C&equals C unsaturated compounds with hydroperoxides  
A single-stage method for producing α-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent...
6573400 Preparation of 2-keto-L-gulonic esters  
C1-C10-alkyl 2-keto-L-gulonates are prepared by esterifying 2-keto-L-gulonic acid or diacetone-2-keto-L-gulonic acid with a C1-C10-alcohol in the presence of an acidic catalyst by a process in...
6462206 Catalytic reduction of ketones and aldehydes using organometallic ruthenium complexes  
Ketones and aldehydes are hydrogenated to the corresponding alcohol or alkyl group, using H2 gas as the stoichiometric reductant, and organometallic ruthenium complexes as the catalysts.
6452042 Substituted propenoates and processes for the preparation thereof  
Substituted propenoates are prepared by eliminating an alcohol from a substituted malondialdehyde acetal, optionally in the presence of a homogeneous or heterogeneous catalyst.
6407265 Tin polyoxaalkanecarboxylates and compositions containing them  
Tin polyaalkanecarboxylates having the formula [(R1pR2qSn)rOs]t wherein R1 represents C1-C6 alkyl, branched or straight, substituted or not by one or more hydroxyl groups or halogen atoms, or a...
6395920 Process for preparing substituted acetals of malondialdehyde  
A process directed to the preparation of 2-substituted and 2,2-disubstituted acetals of malondialdehyde from ortho formates and substituted vinyl ethers in the presence of an acidic catalyst.
6359168 Compounds derived from menthol and use as refreshing agent  
Compounds of formula (I) in which R=H or CH3 and n is a whole number from 1 to 4. These compounds are useful as refreshing agents in various compositions, articles or products from flavor...
6329542 Preparation of (S)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes  
The glycinamide of the formula ##STR1##is reacted with the dioxolane of the formula ##STR2##wherein L is a leaving group such as iodo, bromo, alkylsulfonyloxy, or arylsulfonyloxy to give the...
6297396 Method of crystallizing and purifying alkyl gallates  
A method for synthesizing alkyl gallates. Gallic acid and an alkyl alcohol of the order of the desired gallate are heated in a reaction vessel in the presence of a catalyst such as sulfuric acid...
6288272 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives  
The present invention relates to a continuous process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives expressed by the following Formula 1 and more particularly, to the...
6043389 Hydroxy and ether-containing oxyalkylene esters and uses thereof  
This invention relates to compositions for and methods of treating, preventing or ameliorating cancer and other proliferative diseases as well as methods of inducing wound healing, treating...
6037489 Method of purifying glyoxylic esters and distillation equipment for purifying glyoxylic esters  
A method for purifying glyoxylates includes (1) a coarse distillation process in which a crude glyoxylate in which water coexists is, in a film form, continuously subjected to coarse distillation,...
5939580 Process for preparing glyoxylic esters and their hydrates  
Process for preparing glyoxylic esters or their hydrates in which a water-soluble salt of a maleic or fumaric monoester or a mixture thereof is reacted with ozone in aqueous solution at...
5928393 Fuel additive  
A fuel additive which comprises a compound selected from a novel amine, oxygen-containing and nitrogen-containing compounds having selected structures. The inventive additive when blended with a...
5902895 Method for the continuous production of esters of thermally unstable acids  
A method for the continuous production of esters of thermally unstable acids by the esterification, with or without a catalyst, of the acids with alcohols is provided. The method involves...
5877334 Intermediates useful in solid phase synthesis method  
A solid phase synthesis method and intermediates useful in the process are disclosed for the preparation of diamino diol and diamino alcohol inhibitors of HIV protease.
5866606 Nutritional formulations containing water-miscible lipid derivatives as anti-microbial agents  
A nutritional formulation containing an amount of diacetyltartaric acid esters of mono- and diglycerides effective to inhibit the infectious activity of pathogenic microorganisms is provided. A...
5808107 Process for the preparation of hydroxy substituted gamma butyrolactones  
Preparation of 4-hydroxy substituted butyrolactones is described. A process for the preparation of 3-hydroxybutyrolactone, 1,2,4-trihydroxybutane and 3,4-dihydroxy acid methyl ester from malic...
5792876 Process for producing acetals  
A process is described for producing acetals comprising reacting an aldehyde or a ketone with an alcohol in the presence of a titanium compound having an acetylacetone as a ligand, or in the...
5777150 Substituted amic acid derivatives  
A compound of the formula (I) or its pharmaceutically acceptable salt or ester: ##STR1## wherein each of ##STR2## which are the same or different, is an aryl group or a heteroaromatic ring group;...
5744634 Process for producing 2-keto-L-gulonic acid esters  
A process for the manufacture of methyl or ethyl 2-keto-L-gulonate by esterifying 2-keto-L-gulonic acid with methanol or ethanol continuously in the presence of an acidic ion exchanger in the...
5693251 Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements  
An optically active phenol useful in the preparation of liquid crystalline compounds which is represented by the formula (V): ##STR1## wherein R2 represents an alkyl or alkoxyalkyl group having 1...
5677432 Immunological detection of organophosphates  
A compound useful for forming immunoconjugates used in the detection of organophosphate pesticides is provided. The compound has the formula ##STR1## wherein X is selected from the group...
5523479 Process for the preparation of ethercarboxylic acids  
A process for the preparation of carboxylic acids which contain ether groups by the catalytically accelerated addition of alcoholic hydroxyl groups from mono- or polyhydric alcohols to...
5510512 Process for preparation of 2-(dialkoxymethyl)-carboxylic acid esters  
Process for the preparation of 2-(dialkoxymethyl)carboxylic acid esters of the formula I ##STR1## by oxidizing β-acetalization of acrylic acid esters with alcohols R1 OH, wherein R1 has the...
Matches 1 - 50 out of 175 1 2 3 4 >