Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/1997
12/31/1997CA2258015A1 Methods and devices for oxidizing a hydrocarbon to form an acid
12/30/1997US5703274 Hydrolysis of 5-bromoisophthalic acid or mixtures thereof with dibromoisophthalic acid in alkaline medium in the presence of copper compound catalyst
12/30/1997US5703256 Functionalization of polymers based on Koch chemistry and derivatives thereof
12/30/1997CA2091615C Process for producing vitamin a acid
12/30/1997CA2024479C Quinone derivatives and pharmacological use
12/29/1997EP0814078A1 Process for the preparation of polyenic esters and -acids
12/29/1997EP0814073A1 Epimerization of 2- or 4-substituted cyclohexanecarboxylic acids
12/29/1997EP0813904A2 Process for preparing salts of acid groups containing pharmaceutical actives
12/29/1997EP0813515A1 Process for the preparation of esters of stilbenedicarboxylic acid
12/29/1997EP0720512B1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES
12/28/1997CA2207953A1 Process for the manufacture of acetonylbenzamides
12/24/1997WO1997048850A1 Deinking process
12/24/1997WO1997048849A2 Method of preparing an alkaline earth metal tallate
12/24/1997WO1997048670A1 Process for the production of alkaline metal salts and earth alkali metal salts of aryloxy-c1-c4-alkaline carboxylic
12/24/1997WO1997048669A1 Method for removing by-products obtained when producing acrylic acid or methacrylic acids
12/24/1997CN1168661A Preparation of pentenoic acid
12/24/1997CN1168368A Purification of acrylic acid and methacrylic acid
12/24/1997CN1168367A Process for production of acryclic acid
12/24/1997CN1168366A Preparation process of tetrachlorocarboxylic derivative
12/24/1997CA2259162A1 Method for removing by-products obtained when producing acrylic acid or methacrylic acids
12/24/1997CA2258788A1 Method of preparing an alkaline earth metal tallate
12/24/1997CA2258786A1 Deinking process
12/24/1997CA2257854A1 Process for the production of alkaline metal salts and earth alkali metal salts of aryloxy-c1-c4-alkaline carboxylic
12/23/1997US5700841 Wood preservatives
12/23/1997US5700833 For treating diseases of central nervous system
12/23/1997US5700752 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by the use of the catalyst
12/23/1997CA2097494C Continuous process for the preparation of acetic anhydride or mixtures of acetic anhydride and acetic acid
12/23/1997CA2033555C Enhanced gas-liquid reactions
12/18/1997WO1997047580A1 Pentenoic acid hydroxycarbonylation method
12/18/1997WO1997047579A1 Methods for synthesis of high purity carboxylic and fatty acids
12/18/1997WO1997047578A1 Process for improving color of basic metal organic salts by employing c7-c17 alkyl glycidyl esters and stabilizing halogen-containing polymers therewith
12/18/1997WO1997047572A1 Racemization process for optically active carboxylic acids or salts or esters thereof
12/18/1997WO1997047384A1 Catalyst for hydrogenation, and method of manufacturing same
12/18/1997WO1997037958A3 Preparation of aromatic hydroxycarboxylic acids and dialkali metal salts thereof
12/18/1997CA2258085A1 Racemization process for optically active carboxylic acids or salts or esters thereof
12/17/1997EP0656896B1 New leukotriene-b4 antagonists, process for preparing the same and their use as medicaments
12/17/1997CN1168131A Method for purifying crude naphthalenedicarboxylic acid
12/17/1997CN1168130A Process for producing optically active 2-halogen propionic acids
12/17/1997CN1167751A Process for production of glyoxalic acid
12/16/1997US5698744 Process for the selective oxidation of compounds
12/16/1997US5698735 Reacting sulfonyloxy-activated hydroxyacetic acid with an aromatic compound
12/16/1997US5698734 Subjecting an aqueous solution of crude product to hydrogenation to reduce impurities followed by isolation via crystallization, washing and centrifuging; pollution control
12/16/1997US5698728 Alkene intermediates for preparing 1,2-dioxetanes
12/16/1997US5698722 Functionalization of polymers based on Koch chemistry and derivatives thereof
12/16/1997US5698514 Organoleptic
12/11/1997WO1997046649A1 Treatment of oils
12/11/1997WO1997046510A1 Method for purifying adipic acid by crystallization
12/11/1997WO1997046509A1 Method for purifying adipic acid in water
12/11/1997WO1997046506A1 Industrial process for the heterogeneously catalytic gas-phase oxidation of propane to form acroleine
12/11/1997WO1997046504A1 Mixtures containing monomers and stabilizers
12/11/1997WO1997046220A1 Vegetable oil compositions
12/11/1997WO1997046219A1 Compositions and uses thereof
12/11/1997DE19622331A1 Verfahren der heterogen katalysierten Gasphasenoxidation von Propan zu Acrolein A process for the heterogeneously catalyzed gas-phase oxidation of propane to acrolein
12/11/1997CA2257348A1 Method for purifying adipic acid by crystallization
12/11/1997CA2257075A1 Industrial process for the heterogeneously catalytic gas-phase oxidation of propane to form acroleine
12/10/1997EP0811597A2 Process for production of acrylic acid
12/10/1997EP0811075A1 A method for the isolation and purification of lipid cell-wall components
12/10/1997CN1167480A Processes for the preparation of cyclopropanecarboxylic acid and derivatives thereof
12/10/1997CN1167086A Vanadium-phosphorus oxide, method for production thereof, catalyst for vapor phase oxidation formed of oxide, and method for partial vaporphase oxidation of hydrocarbon
12/10/1997CN1036647C Process for preparing high-basicity magnesium alkylsalicylate
12/09/1997US5696288 Process for the preparation of 2,2'-oxydisuccinate
12/09/1997US5696286 Process for the preparation of aromatic-substituted aliphatic carboxylic acids
12/09/1997US5696285 Production of terephthalic acid with excellent optical properties through the use of pure or nearly pure oxygen as the oxidant in p-xylene oxidation
12/09/1997US5696284 Process for the carbonylation of alkyl alcohols and/or reactive derivatives thereof
12/09/1997US5696165 Composition of s(-) sodium ibuprofen
12/09/1997US5696163 Method of stabilizing polyunsaturates
12/09/1997US5696064 Functionalization of polymers based on Koch chemistry and derivatives thereof
12/09/1997CA2124731C Metallocenes and processes therefor and therewith
12/09/1997CA2051397C Oxidative preparation of 3,5-secoandrost-5-one-3,17.beta.-dioic acid
12/04/1997WO1997045514A1 Process for making solid compositions comprising quaternary ester ammonium compounds and fatty acids
12/04/1997WO1997045394A1 Distillation process
12/04/1997CA2256399A1 Process for making solid compositions comprising quaternary ester ammonium compounds and fatty acids
12/03/1997EP0810292A1 Process for the preparation of D-arabitol
12/03/1997EP0810196A1 Method for inhibiting polymerization of (meth) acrylic acid or esters thereof
12/03/1997EP0810028A2 Heterogeneous catalyst for the production of acetic anhydride from methyl acetate
12/03/1997EP0809618A1 Process for preparing olefins
12/03/1997CN1166482A Sodium oxalate producing process and equipment through double-circulation continuous dehydrogenation in triphase fluid bed
12/03/1997CN1166480A Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols
12/02/1997US5693859 Reacting ortho-substituted phenyl alpha-keto acid halide with an amine yields substituted phenyl alpha-ketamide
12/02/1997US5693856 Production of terephthalic acid
11/1997
11/29/1997CA2206389A1 Process for preparing d-arabitol
11/27/1997WO1997044307A1 Naphthalenedicarboxylic acid particles and process for the production thereof
11/27/1997WO1997044305A1 Production of aromatic hydroxycarboxylic acids
11/27/1997WO1997044303A1 Co-production of perfluoromethyl perfluorovinyl ether and perfluoroethyl perfluorovinyl ether
11/27/1997WO1997044299A1 Process for the selective production of acetic acid
11/27/1997DE19720344A1 Converting (m)ethane into oxidation products
11/27/1997DE19620542A1 Verfahren zur selektiven Herstellung von Essigsäure Process for the selective preparation of acetic acid
11/27/1997CA2241182A1 Naphthalenedicarboxylic acid particles and process for the production thereof
11/26/1997EP0808817A1 Process for preparing halogenated phthalic acids and their derivatives
11/26/1997EP0808656A1 Solid catalyst for etherification reaction and production process for ether compound using this catalyst
11/26/1997EP0575550B1 Recovery of phytic and/or lactic acid and direct retrieval of inositol
11/26/1997CN1165808A Preparation of acrylic acid and esters
11/26/1997CN1165807A Absolute trifluoro acetate and absolute trifluoro acetic acid prepn.
11/26/1997CN1165804A Process for preparation of pentaerythritol
11/25/1997US5691385 Growth promotion
11/20/1997WO1997043236A1 Process for brominating natural unsaturated oils
11/20/1997DE19619421A1 Verfahren zur Bromierung natürlicher ungesättigter Öle Process for the bromination of natural unsaturated oils
11/19/1997EP0807618A2 A method for preparing aromatic carboxylic acids, aromatic aldehydes and aromatic alcohols
11/19/1997EP0807465A1 Catalyst and process for producing unsaturated aldehyde and unsaturated acid
11/19/1997EP0807126A1 Process for the alcaline oxidative degradation of reducer sugars and products thus obtained