Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
---|
03/08/1995 | EP0557272B1 Process for the preparation of difluoromaleic anhydride and intermediate compounds produced thereby |
03/08/1995 | EP0511981B1 Saturated branched fatty acids with 20 to 28 carbon atoms or esters thereof with c1-c36 alkanols, process for producing them and their use |
03/08/1995 | EP0446211B1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups |
03/08/1995 | CN1099743A Process for the preparation of acetic acid by controlled oxidation of ethane |
03/08/1995 | CN1099740A Selective catalytic hydrogenation of aromatic aldehydes |
03/08/1995 | CN1027810C Method for complexing normal fatty acid and hydrocarbon separated from crude naphthenic acid |
03/07/1995 | US5395966 Process for the manufacture of acryloyl chloride |
03/07/1995 | US5395965 Molybdenum and/or cerium modifiers improve activity and selectivity |
03/07/1995 | US5395964 Preparation process for hydroxyphenylacetic acids |
03/07/1995 | US5395962 Optical resolution method |
03/07/1995 | US5395942 Heterocyclic compounds |
03/07/1995 | US5395858 Process for recycling polyester |
03/07/1995 | US5395488 Electrochemical process for reducing oxalic acid to glyoxylic acid |
03/07/1995 | CA1334674C Process for the preparation of carboxylic acids or esters thereof |
03/02/1995 | WO1995006130A1 Process for preparing (l)-2-chlorpropionic acid and its salts |
03/02/1995 | WO1995006026A1 Dehydration of itaconic acid |
03/02/1995 | DE4328428A1 Process for the preparation of methylolalkanoic acids |
03/02/1995 | CA2169659A1 Process for preparing (l)-2-chlorpropionic acid and its salts |
03/01/1995 | EP0640580A1 Preparation of 3-pentenoic acid and a catalyst therefore |
03/01/1995 | EP0640579A2 Process for producing optically active 2-norbornanone |
03/01/1995 | CN1099379A Process for producing highly purified acetic acid |
03/01/1995 | CN1099378A Process for the recovery of a carbonylation product |
03/01/1995 | CN1027756C Synthetic method of alpha, beta-unsaturated acid |
02/28/1995 | US5393922 Catalytic direct oxidation of hydrocarbons to acids |
02/28/1995 | US5393919 Process for producing acetic acid or methyl acetate and catalyst therefor |
02/28/1995 | US5393911 Cyclopentadiene type compounds and method for making |
02/28/1995 | US5393332 Salt of salicylic acid |
02/28/1995 | CA1334583C Process for the production and purification of succinic acid |
02/23/1995 | WO1995005356A1 Process for producing acetic anhydride alone or both of acetic anhydride and acetic acid |
02/23/1995 | WO1995005354A1 Hydroformylation process |
02/23/1995 | DE4339062C1 Process for preparing a caesium and rubidium salt solution |
02/22/1995 | EP0639570A1 Process for the preparation of aromatic carboxylic acids |
02/22/1995 | EP0639555A1 Isomerization of carboxylic acids |
02/22/1995 | EP0639404A1 Process for producing methacrylic acid synthesis catalyst |
02/22/1995 | EP0639174A1 Continuous production of aromatic carboxylic acids. |
02/22/1995 | CN1099024A Process for production of unsaturated aldehyde and unsaturated carboxylic acid |
02/21/1995 | US5391823 Process for the preparation of 2,2'-oxydisuccinate |
02/21/1995 | US5391822 Process for the preparation of branched alkoxyalkanoic acids |
02/21/1995 | US5391821 Process for producing carboxylic acids |
02/21/1995 | US5391819 Process of making chiral 2-aryl-1,4-butanediamine derivatives as useful neurokinin-A antagonists |
02/21/1995 | US5391788 Production of high purity fatty acid salt products |
02/21/1995 | US5391787 Preparing a C14-C22 fatty acid alkaline earth metal salt product free of fatty acids and glycerides; hydrolysis; salt formation; cattle feed additive |
02/21/1995 | US5391771 Hydrogenation of citric acid |
02/16/1995 | WO1995004712A1 Selective dehalogenation method |
02/16/1995 | WO1995004519A1 Poorly water-soluble salts of sunscreen agents |
02/15/1995 | EP0638539A2 Process for preparing poly- and perfluorocarboxylic acid chlorides |
02/15/1995 | EP0638538A1 Process for removing of aldehydes and acetals from technical-grade acetic acid |
02/15/1995 | EP0638059A1 Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
02/15/1995 | EP0497759B1 Process for the recovery of catalyst values |
02/15/1995 | CN1098664A Process and catalyst for the production of ethylene and acetic acid |
02/13/1995 | CA2128548A1 Process for the removal of aldehydes and acetals from industrially prepared acetic acid |
02/10/1995 | EP0655997A4 Pyridinium intermediates and the process for preparing the same. |
02/09/1995 | DE4326510A1 Process for the preparation of cyclohexene derivatives |
02/08/1995 | EP0637581A1 Use of malonic anhydride for the preparation of 2,2-substituted, 4,6-dioxo-1,3-dioxanes |
02/08/1995 | EP0552253B1 Acetone removal process |
02/07/1995 | US5387726 Selective catalytic hydrogenation of aromatic aldehydes |
02/07/1995 | US5387714 Alpha-keto acid halide intermediate |
02/07/1995 | US5387713 Contacting impure acid with hydrogen peroxide, recovering purified acid by distillation or evaporation |
02/07/1995 | US5387712 Reacting corresponding alkoxyalkanol with a stable free radical nitroxide in the presence of a nitrogen oxide generating compound and an oxidant |
02/07/1995 | US5387699 Catalyzed oxidation of tri- or tetraalkylated benzaldehydes |
02/07/1995 | US5387359 Alkaline earth metal potassium acetate, a process for its preparation and its use |
02/07/1995 | US5387358 An environmentally friendly deicing agent causing little corrosion |
02/07/1995 | US5387338 An optical isomer separators |
02/06/1995 | CA2128951A1 Preparation of aromatic carboxylic acids |
02/02/1995 | WO1995003268A1 Process for recovering organic acids |
02/02/1995 | WO1995003249A1 Process for the manufacture of a zeolite |
02/02/1995 | CA2167913A1 Process for recovering organic acids |
02/02/1995 | CA2167279A1 Process for the manufacture of a zeolite |
02/01/1995 | EP0636600A1 Method of purifying aromatic dicarboxylic acid |
02/01/1995 | EP0636599A1 Process for the carbonylation of methanol to form acetic acid, methyl acetate and acetic anhydride |
02/01/1995 | CN1098086A Nonatetraenoic acid derivative |
01/31/1995 | US5386061 Chiral phospholanes via chiral 1, 4-diol cyclic sulfates |
01/31/1995 | US5386017 Can be converted to stable aryl substituted 1,2-dioxetanes which decompose when activated to produce light and carbonyl compounds |
01/31/1995 | US5385942 Quinone derivatives and pharmacological use |
01/31/1995 | US5385875 Method for stabilizing rhodium compound |
01/31/1995 | CA1334207C Process for preparing high-concentration mixtures of elcosapentaenoic acid and docosahexaenoic acid and of their esters from oils of animal and/or vegetable origin |
01/26/1995 | WO1995002716A1 A process for the production of water-soluble salts of carboxylic and amino acids |
01/26/1995 | WO1995002571A1 Magnesium derivative preparation process |
01/25/1995 | EP0635475A1 Process for the continuous production of higher molecular carboxylic acids |
01/25/1995 | EP0635474A1 Method and apparatus for recovering acetic acid from aqueous streams |
01/25/1995 | EP0635473A1 Process for the preparation of carboxylic acid chlorides |
01/25/1995 | EP0635472A1 Catalyst for the production of glyoxylic acid by catalytic oxidation of glyoxal and process for the production of this catalyst |
01/25/1995 | EP0635468A1 Method of obtaining alpha-substituted omega-hydroperfluoroalkanes |
01/25/1995 | EP0635467A1 Method for the isomerization of cis-alkenyl compounds |
01/25/1995 | EP0610384A4 Process for the preparation of fluorinated benzoic acids. |
01/25/1995 | EP0511982B1 Saturated, branched fatty acids with 21 to 28 carbon atoms or esters of the same with c1-c36 alkanols, process for producing them and their use |
01/25/1995 | EP0511205B1 Process for producing 2-ethylhexyl-p-methoxycinnamate |
01/25/1995 | EP0464154B1 Alkylation of aromatics |
01/25/1995 | EP0406424B1 Process for recovering crystals from slurry |
01/25/1995 | CN1097731A Extraction technology for cologne acid |
01/24/1995 | US5384413 Reacting an N-(N'-benzylideneamino)tetrafluorophthalimide with water, removing the water azeotropically and solvent extracting |
01/24/1995 | CA2128648A1 Process for the continuous preparation of high-molecular-weight carboxylic acids |
01/24/1995 | CA1334103C Method for preparing -(4-isobutylphenyl)propionic acid or its precursor |
01/19/1995 | WO1995001954A1 Production of dicarboxylic acids or esters thereof |
01/19/1995 | WO1995001953A1 Production of dicarboxylic acids |
01/19/1995 | CA2165959A1 Production of dicarboxylic acids |
01/19/1995 | CA2165651A1 Production of dicarboxylic acids |
01/18/1995 | EP0634210A1 Method of preparing catalyst used for producing methacrylic acids |
01/18/1995 | EP0553251B1 Metal carboxylates |
01/17/1995 | US5382681 Process for the production of an alkali metal citrate |