Class 562/577 - Aldehyde or ketone

Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid contains the group -C (=O)
No. of patents: 161
Last issue date: 02/16/2010

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Number	Title	Issue Date
7662997	Synthesis and applications of 2-oxo-4-methylthiobutyric acid, its salts and its derivatives The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives in which R represents a group chosen from COOH, COOR′, NH2, NHR′ or ...	02/16/2010
7470813	Method for the production of pyruvic acid The invention relates to a method for the production of pyruvic acid, in particular pyruvic acid that is 13C-enriched at the C1-atom, i.e. 13C1-pyruvic acid. ...	12/30/2008
7385078	Energy-curable composition for making a pressure sensitive adhesive An energy-curable polymer-forming composition for making a pressure sensitive adhesive includes an unsaturated oligomer resin and an adhesive promoter which increases the peel strength of the adhesive without reducing its tack. The composition also includes a tackif...	06/10/2008
7378549	Process for the reactive extractive extraction of levulinic acid A process for the reactive extraction of levulinic acid from an aqueous mixture having levulinic acid, wherein the aqueous mixture is contacted with a liquid esterifying alcohol, the alcohol having at least four carbon atoms and is substantially water-immiscible, at...	05/27/2008
7351339	Method for the separation of acids from chemical reaction mixtures by means of ionic fluids A process for removing acids from reaction mixtures using an auxiliary base, in which the auxiliary base: combines with the acid to form a salt which is liquid at temperatures at which the product of value does not significantly decompose during the removal of the l...	04/01/2008
7338675	Fenugreek seed bio-active compositions and methods for extracting same A composition of bio-active compounds and methods for facilitating and supporting the metabolism and transport of glucose and carbohydrates into muscle cells. Preferably, the composition of bio-active compounds include 4-hydroxyisoleucine and one or more amino acids...	03/04/2008
7265239	Process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate comprising contacting furfuryl alcohol and water or an alkyl alcohol with a porous heterogeneous catalyst comprising strong acid ion-exchange resin, wherein the catalyst has por...	09/04/2007
7208623	Process for the manufacture of HMG-CoA reductase inhibitory mevalonic acid derivatives The invention relates to a process for the manufacture of a compound of formula: (Formula I); or a salt, especially a pharmaceutically acceptable salt with a base, thereof or a lactone thereof wherein the element (a) represents —CH2—CH2— ...	04/24/2007
7160925	Decomposing surfactant Use of a compound having a hydrophobic moiety attached to a hydrophilic moiety, wherein the hydrophilic moiety comprises a β-keto acid group and the hydrophobic moiety is attached via a bond from a carbon or an oxygen of the hydrophobic moiety to a carbon of the β...	01/09/2007
7141704	Process for preparing hydrofluoroethers Process for obtaining hydrofluoroethers of formula (I): A-(Rf)n0—CF(Rf1)—O—Rh (I) wherein a mono- or bifunctional carbonyl compound of formula (IV): B—Rf—C(O)Rf1...	11/28/2006
7083812	Chemical library preparation method from natural product The present invention relates to a preparation method of a general library and a focused library from crude extracts of natural products including herbal drugs, said libraries, and the method for developing new drugs such as an anticancer drug and new substances usi...	08/01/2006
6923921	Fluorinated polyether compositions Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates. ...	08/02/2005
6919479	Process for the preparation of perfluoropolyethers acyl-fluoride ended by reduction of the corresponding peroxidic perfluoropolyethers A process for the preparation of perfluoropolyethers of formula: T-CFX′—O—Rf—CFX—COF (I) wherein: T=COF, F, C1-C3 perfluoroalkyl; X, X′=—F, —CF3; ...	07/19/2005
6897337	Site-specific isotopically-labeled proteins, amino acids, and biochemical precursors therefor Site-specific isotopically-labeled valine, leucine, and isoleucine and biosynthetic precursors for these amino acids are provided. The amino acids are labeled with 13C or 14C at the methyl group carbon atom(s) most remote from the carboxyl grou...	05/24/2005
6833475	Heptanonic acid and furanone compounds and compositions A natural inexpensive acyclic monoterpene ketone (dihydrotagetone) of formula (4), isolated from the oil of Tagetes sp., was smoothly oxidized with meta-periodate/potassium permanganate into 2,6-dimethyl-4-oxo-heptanoic acid of formula (3), the reduction of 3...	12/21/2004
6831194	Surface modification of carbonaceous materials by introduction of gamma keto carboxyl containing functional groups The present invention provides a method for the preparation of carbonaceous materials comprising a plurality of gamma-keto-carboxyl containing functional groups surface bonded thereto, and further provides several surface modified carbonaceous materials resulting th...	12/14/2004
6632964	Process for production of aliphatic aldehyde-acid and/or aliphatic dicarboxylic acid and catalyst for the production A process of producing an aliphatic aldehyde-acid (e.g., adipaldehyde-acid) and/or an aliphatic dicarboxylic acid (e.g., adipic acid) comprising oxidizing a cyclic ketone (e.g., cyclohexanone) with molecular oxygen in the presence of a fixed catalyst whic...	10/14/2003
6605741	Synthetic method of ଱-ketol unsaturated fatty acids The present invention provides an efficient synthetic method of ଱-ketol unsaturated fatty acid having a double bond at a ଲ-position to the ketone group thereof. It comprises the steps of: preparing compound (4) by reacting monosubstituted acet...	08/12/2003
6541664	Method of heterogeneous catalyzed vapor-phase oxidation of propane to acrolein and/or acrylic acid In a process for heterogeneously catalyzed gas-phase oxidation, a reaction gas starting mixture comprising propane, molecular oxygen and, if desired, inert gas is passed at from 300 to 500° C. over a fixed-bed catalyst....	04/01/2003
6528668	Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide, ester of ω-hydroxy-(ω-3)-ketoaliphatic acid, and derivatives thereof Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide and derivatives thereof, esters of ω-hydroxy-(ω-3)-ketoaliphatic acid and derivatives thereof, which are useful as a variety of synthetic raw materials and intermediates, and are prepared as ...	03/04/2003
6518454	Preparation of esters of carboxylic acids Disclosed is a process wherein a solution of a carboxylic acid in a first solvent and an alcohol are fed to a simulated moving bed reactor (SMBR) containing a solid(s) to produce a first stream comprising a solution of an ester of the carboxylic acid and ...	02/11/2003
6492550	Alpha-substituted thio, -oxo trifluoromethylketones as phospholipase inhibitors Inhibitors of the cytosolic phospholypase A2 enzymes are provided which are of use in controlling a wide variety of inflammatory diseases. The inhibitors of the present invention have the general formula ##STR1## where X, Z, X1, R1, ...	12/10/2002
6436994	Heteroatom-interrupted analogs of 15-hydroxyeicosatetraenoic acid and methods of use Heteroatom-interrupted HETE derivatives and methods of their use for treating dry eye are disclosed....	08/20/2002
6417389	Process for the preparation of HPB esters This invention relates to a novel advantageous process for the stereoselective preparation of 2-hydroxy-4-phenylbutyrates (HPB esters) and of their precursors. This is done by starting from readily accessible ଱-unsaturated ଱-hydroxy-γ-keto es...	07/09/2002
6342631	Method of producing calcium pyruvates A method of producing calcium pyruvates is described, in which calcium salts of organic acids or acidic organic keto or hydroxy compounds are reacted with pyruvic acid at a temperature in the range from -20 to +120° C., if necessary in the presence of a ...	01/29/2002
6331566	Heteroatom-interrupted analogs of 15-hydroxyeicosatetraenoic acid and methods of use Heteroatom-interrupted HETE derivatives and methods of their use for treating dry eye are disclosed....	12/18/2001
6274766	Process for purifying .alpha.-keto acids The present invention relates to an improved process for purifying .alpha.-keto acids. In particular, the present invention pertains to the isolation of pivalic acid and other organic impurities from .alpha.-keto acids. The process of the invention genera...	08/14/2001
6268530	Process to prepare 5-formylvaleric acid Process to separate linear 5-formylvaleric acid from a mixture of 5- and 3- and 4-formylvaleric acids, wherein the separation is performed by fractional extraction with two immiscible solvents of which one solvent is an aqueous solvent and the other solve...	07/31/2001
6252105	Synthesis of low-fluoride organic compounds Organic compounds, e.g. fluorinated organic compounds such as fluorinated carboxylic acids or fluorinated carboxylic acid chlorides, may contain small amounts of carboxylic acid fluorides, hydrogen fluoride or hydrolyzable fluoride, which during the prepa...	06/26/2001
6245884	Secretases related to alzheimer's dementia This invention provides a method of determining the proteolytic activity of the in vivo secretases, particularly the ଲ-secretase and γ-secretase that produce the Aଲ peptides found in the plaques of Alzheimer Dementia (AD) patients. The invent...	06/12/2001
6232497	Method for producing alkali metal and alkaline earth metal pyruvates A method for producing alkali metal and alkaline earth metal pyruvates is disclosed, in which salts of organic acids or acidic organic keto or hydroxy compounds containing as cation one from the group comprising Li, Na, K, Rb, Cs, Mg, Sr and Ba, or mixtur...	05/15/2001
6153791	Process for purifying 2-keto-L-gulonic acid The present invention relates to a process for the purification of 2-keto-L-gulonic acid by continuous liquid chromatography using a weakly basic ion exchange resin....	11/28/2000
6127498	Modified hydrogenated polymers Hydrogenated fluoromodified polymers obtainable by reaction among hydrogenated polymers and the modifier having a polyether structure: RfO(CF2 CF2 O)m (CF2 O)n --CF2 --Aq --Tp	10/03/2000
6087138	Process for the preparation of sotolon The present invention relates to a process for the preparation of a composition rich in sotolon from a source rich in 4-hydroxy-L-iso-leucine....	07/11/2000
5968727	Pyruvate compounds and methods for use thereof The invention comprises a novel pyruvate compound for the treatment of prevention of reperfusion injury following ischemia, diabetic effects, cholesterol levels, injured organs ethanol intoxication oras s foodstuff. The novel pyruvate compound is particul...	10/19/1999
5965558	Modulators of proteins with phosphotyrosine recognition units Y--X--C(R').dbd.C(R")COOR"' (A1) The present invention relates to novel protein tyrosine phosphatase modulating compounds having the general structure shown in Formula (A1), to methods for their preparation, to compositions comprising the compounds, to th...	10/12/1999
5962734	Method of producing calcium pyruvates A method of producing calcium pyruvates is described, in which calcium salts of organic acids or acidic organic keto or hydroxy compounds are reacted with pyruvic acid at a temperature in the range from -20 to +120° C., if necessary in the presence of a ...	10/05/1999
5919978	Processes for producing aldehyde acids or salts This invention relates in part to processes for producing one or more substituted or unsubstituted aldehyde acids or salts, e.g., 5-formylvaleric acid or salt, which comprises subjecting one or more substituted or unsubstituted alkadienes, e.g., butadiene...	07/06/1999
5907047	Papyracillic acid, method for preparation and its use as synthon for bioactive substances This invention relates to a new biologically active compound as shown in formula (I) and its biologically active derivatives; whereas derivatives are produced by the reaction of formula (I) with nucleophiles. ##STR1##...	05/25/1999
5750769	Halogenated esters useful as intermediates for insecticides The invention provides novel compounds of formula: CF3 --CXCl--CH(OH)CH2 --C(CH3)2 --CH2 --CO2 R(I) where X represents chloro or bromo and R represents hydrogen or alkyl of up to 4 carbon atoms,...	05/12/1998

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Class 562/577 - Aldehyde or ketone