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Carboxylic acid esters

Subclass of:

560 - Organic compounds -- part of the class 532-570 series


Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
560129000 Acyclic acid moiety 479
560008000 Aromatic acid moiety 270
560116000 Plural alicyclic rings in acid moiety 17
560125000 Alicyclic acid moiety containing N, S, P, B or halogen 10
560127000 Alicyclic polycarboxylic acid moiety 8
560124000 Cyclopropyl in acid moiety 8
560002000 With preservative 6
560115000 Alicyclic carbamates 5
20130046107FUNCTIONALIZED ZIRCONIA NANOPARTICLES AND HIGH INDEX FILMS MADE THEREFROM - The present disclosure relates to surface-modified zirconia nanoparticles, methods for making and using the same, and high index of refraction films made therefrom. The provided zirconia nanoparticles are surface modified with ligands that include N-hydroxyurea functionalities. The provided ligands also can contain compatibilizing groups that allow the provided surface-modified zirconia nanoparticles to be incorporated into an organic matrix. High index of refraction films can be made using these organic matrices.02-21-2013
20090137837METHODS OF SYNTHESIZING CINACALCET AND SALTS THEREOF - Methods of preparing cinacalcet, cinacalcet derivatives, and salts thereof is disclosed herein. Also disclosed herein are polymorphs of cinacalcet, compositions of cinacalcet, and methods of treating a subject by administering cinacalcet, wherein cinacalcet is prepared by the disclosed methods.05-28-2009
20120310005METHOD FOR PRODUCING 2-AZAADAMANTANE - To provide a method whereby a 2-azaadamantane can easily be obtained in good yield.12-06-2012
20100274041METHOD FOR PREPARING A CARBAMATE, A CATALYST APPLIED IN THE METHOD, A METHOD FOR PREPARING THE CATALYST AND USE THEREOF - The present invention pertains to a novel method for preparing a carbamate, in which the method comprises reacting an aliphatic substituted urea and/or its derivatives, with a hydroxyl group containing compound to obtain a carbamate. In addition, the present invention provides a novel catalyst which is suitable for catalyzing the reaction to form a carbamate, and a method for preparing the novel catalyst. The method of the present invention for preparing a carbamate does not involve the application of carbon monoxide which is toxic, and the reaction conditions are relatively mild with high catalytic activity, high reaction selectivity of the catalyst, and a relatively short reaction time. Furthermore, the catalyst is separated from the reaction system and reused easily, which will facilitates scale up and industrial application.10-28-2010
20120101297PRODUCTION OF TRANS-4-AMINOCYCLOPENT-2-ENE-1-CARBOXYLIC ACID DERIVATIVES - Methods of producing compositions of trans-4-amino-2-cyclopentene-1-carboxylic acid derivatives are described. Also described is an amine salt of a compound having formula A,04-26-2012
560123000 Cyclobutyl in acid moiety 4
20100113821PREPARATION OF 3-AMINO-3-(CYCLOBUTYLMETHYL)-2-(HYDROXY)-PROPIONAMIDE HYDROCHLORIDE - Disclosed is a process for preparing 3-(amino)-3-cyclobutylmethyl-2-hydroxy-propionamide hydrochloride, an intermediate useful in the preparation of the HCV protease inhibitor (1R,5S)—N-[3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl]-3-[2(S)-[[[(1,1-dimethylethyl)amino]carbonyl]amino]-3,3-dimethyl-1-oxobutyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-2(S)-carboxamide.05-06-2010
20080281121Precursor Compound of Radioactive Halogen-Labeled Organic Compound - It is intended to provide a novel amino acid organic compound which can be used as a labeling precursor compound for radioactive halogen-labeled amino acid compounds including [11-13-2008
20100261931PROCESS FOR PRODUCTION OF RADIOACTIVE-FLUORINE-LABELED ORGANIC COMPOUND - A process for production of a radioactive fluorine-labeled organic compound is provided which can improve the yield of radioactive fluorination. Provided is a process in which a compound represented by the following formula (1):10-14-2010
20100016626PROCESS FOR PRODUCTION OF PRECURSOR COMPOUND FOR RADIOACTIVE HALOGEN-LABELED ORGANIC COMPOUND - A process is provided for producing a labeled precursor which is useful for production of a radioactive fluorine-labeled amino acid compound. In the reaction step for introducing a leaving group to a mixture of syn-form and anti-form of FACBC, a base is allowed to present in the reaction system to produce a syn-leaving group adduct, which is unreactive with the base and is highly stable, and an anti-leaving group adduct which can react with the base to form a water-soluble compound. By employing a purification method utilizing such a difference in solubility, the syn-leaving group adduct can be separated selectively. The base may be a linear- or branched-chain primary to tertiary alkylamine having 1 to 10 carbon atoms, a nitrogen-containing heterocyclic compound with 2 to 20 carbon atoms, and a nitrogen-containing hetero aromatic compound with 2 to 20 carbon atoms.01-21-2010
560121000 Cyclopentyl in acid moiety (e.g., prostaglandins, etc.) 4
20090299088PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF PROSTAGLANDINS - The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins:12-03-2009
20110034722METHOD FOR PRODUCING OF 2-ALKYL-2-CYCLOALKEN-1-ONE - The present invention relates to [1] a process for producing a 2-alkyl-2-cycloalken-1-one represented by the following general formula (2), which includes the step of subjecting a 2-(1-hydroxyalkyl)cycloalkan-1-one to dehydration and isomerization in the co-existence of an acid and a platinum group metal catalyst, and [2] a process for producing an alkyl(3-oxo-alkylcycloalkyl)acetate which is useful as a perfume material, using the 2-alkyl-2-cycloalken-1-one:02-10-2011
20110152565Method for making a phosphorus ylide - The method for making a phosphorus ylide produces the ylide 2,3-bismethoxycarbonyl-4-phenyl-5-arylhydrazono-cyclopenta-1,3-dienyl-triphenylphosphonium in pure form by simple recrystallization of the reaction product. 3-Oxo-3-phenyl-2-(arylhydrozono)propanal and dimethylacetylenedicarboxylate are mixed in dichloromethane at room temperature. After cyclization of the intermediate (preferably at least two hours), triphenylphosphine is added to the mixture, ultimately resulting in formation of 2,3-bismethoxycarbonyl-4-phenyl-5-arylhydrazono-cyclopenta-1,3-dienyl-triphenylphosphonium. The product is recrystallized to produce 2,3-bismethoxycarbonyl-4-phenyl-5-arylhydrazono-cyclopenta-1,3-dienyl-triphenylphosphonium in pure form and in high yield. The aryl group may be any aromatic or aliphatic group.06-23-2011
20090093651PROCESS FOR PREPARATION OF 13,14-DIHYDRO-PGF2 ALPHA DERIVATIVES - The invention relates to a process for the preparation of 13,14-dihydro-PGF04-09-2009
560128000 Alicyclic acid moiety containing unsaturation 3
20090216039Method for Producing Optically Active Alpha-Ionone - Provided that a method for inexpensively producing optically active α-ionone with a high yield and a high asymmetric yield and with good workability in a short process, and a perfume composition comprising the optically active α-ionone obtained by the aforementioned method. A method for producing optically active α-ionone, comprising allowing α-ionone as a mixture of optical isomers to react with an esterification agent, and hydrolyzing the obtained α-ionone enol ester; a method for producing optically active α-ionone comprising subjecting α-ionone as a mixture of optical isomers to an asymmetric reduction, allowing the obtained optically active α-ionol to react with an esterification agent to give an optically active α-ionol ester, hydrolyzing the obtained optically active α-ionol ester after purification as necessary, and then oxidizing the obtained optically active α-ionol; and a perfume composition comprising thus obtained optically active α-ionone.08-27-2009
20090043121METHOD FOR PRODUCING VITAMIN A ACETATE - The present invention relates to a process for preparing vitamin A acetate by reacting β-vinylionol with triphenylphosphine in the presence of sulfuric acid in a solvent mixture consisting of 02-12-2009
20110152566Process for Conducting an Organic Reaction in Ionic Liquids - The present disclosure describes processes for producing cyclohexenes using Lewis acidic ionic liquids comprising the steps of providing to a reactor an α,β-unsaturated carbonyl dienophile, providing to the reactor a 1,3-diene, providing a Lewis acidic ionic liquid to the reactor; and reacting the α,β-unsaturated carbonyl dienophile with 1,3-diene to form a substituted cyclohexene product. The α,β-unsaturated carbonyl dienophile can be mesityl oxide, the 1,3-diene can be piperylene; and the Lewis acidic ionic liquid can be AlCl06-23-2011
560126000 Alicyclic acid moiety containing oxy, aldehyde or ketone group 1
20130137891METHOD OF MAKING AMORPHOUS RESIN FOR USE IN ROBUST SOLID INK APPLICATIONS - Methods for making amorphous resins for use in robust solid ink applications are disclosed in which an organic acid is reacted with an alcohol in the presence of a solvent in the amount of from about 0.5 to about 1.5 grams of solvent per gram of reaction product. The reaction product is an ester of tartaric acid or an ester of citric acid.05-30-2013
560114000 Preparing alicyclic acid esters by carbonylation 1
20130184486NOVEL CARBOXYLATE COMPOUND AND METHOD OF PRODUCING THE SAME AND PERFUME COMPOSITION THEREOF - There are provided a novel carboxylate compound useful as a blending perfume raw material and having a brisk pine-like odor and a method of producing the same and a perfume composition containing such a carboxylate compound.07-18-2013
20120116113PROCESS FOR MAKING NEO-ENRICHED p-MENTHANE COMPOUNDS - A process for making neo-enriched p-menthane intermediates is disclosed. Lewis acid-catalyzed rearrangement of an oxaspiro compound provides an aldehyde mixture comprising normal (II) and neo (III) p-menthane-3-aldehydes:05-10-2012
20090118533METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES - The invention relates to a method for the continuous production of unsaturated carboxylic acid anhydrides of general formula (I): R—C(O)—O—C(O)—R (I), wherein R is an unsaturated organic group with 2 to 12 C atoms, by reaction of a ketene with an unsaturated carboxylic acid of general formula (II): R—COOH (II), wherein R is defined as above, in an apparatus which has a reaction zone (05-07-2009
20080262259Method for vegetable oil derived polyols and polyurethanes made therefrom - A process for preparing natural oil hydroxylates, the process comprising reacting an amino compound containing hydroxyl groups having a molecular weight of less than 200 Daltons with vegetable oil derived polyols.10-23-2008
20090312569NOVEL PROCESS - The present invention relates to a process for the preparation of 1-(2-ethyl-butyl)-cyclohexanecarboxylic acid which is useful as an intermediate in the preparation of pharmaceutically active compounds.12-17-2009
20120283465Oligomerisation Process - The startup of a tubular reactor containing fresh or regenerated molecular sieve catalyst and cooled by steam generation on the shell side, as part of an olefin oligomerisation process, is improved by, during the startup phase of the reactor, controlling the pressure on the shell side of the reactor at maximum 10 barg. The startup may be further improved by controlling the inlet temperature of the hydrocarbon startup stream to the reactor, by controlling the flow of reactant olefins to the reactor, or by controlling the nature and/or concentration of the olefins in the reactor feed.11-08-2012

Patent applications in class Carboxylic acid esters

Patent applications in all subclasses Carboxylic acid esters