| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/14/2007 | EP1761334A1 Multi-layer catalyst for producing phthalic anhydride |
| 03/14/2007 | EP1292559B1 Two stage process for the production of unsaturated carboxylic acids by oxidation of lower unsaturated hydrocarbons |
| 03/14/2007 | EP1019388B1 Preparation of perylene-3,4-dicarboxylic anhydrides |
| 03/14/2007 | CN1927810A Preparation method of chlorophenyl acetic acid |
| 03/14/2007 | CN1927809A Preparation method of t-butylphenyl acetic acid |
| 03/14/2007 | CN1927808A Method of preparing 2,2-dimethyl-1-hydroxypropionic acid by chemical oxidization |
| 03/14/2007 | CN1927806A Method for preparing nonane diacid by ozone-hydrogen peroxide mixed oxidant catalysizing |
| 03/14/2007 | CN1927805A Process and apparatus of preparing sodium oxalate by superheated steam ejecting mixing fast heating-up continuous dehydrogenation |
| 03/14/2007 | CN1927804A Method of preparing non-metallic ion 4,5,6-carbon diacid |
| 03/14/2007 | CN1927803A Method of preparing calcium propionate and calcium lactate with oyster shell as calcium source |
| 03/14/2007 | CN1927802A Continuous preparation method for aromatic dicarboxylic acid |
| 03/14/2007 | CN1927801A Preparation method of methylphenyl acetic acid |
| 03/14/2007 | CN1927800A Synthesis process of 2,4,6-trimethyl benzoic acid |
| 03/14/2007 | CN1927460A Method for preparation of a composition |
| 03/14/2007 | CN1927456A Method for preparing high activity palladium/carbon catalyst |
| 03/14/2007 | CN1304355C Method for producing benzoic acid by degrading waste plastic of polystyrene through catalysis in liquid phase |
| 03/14/2007 | CN1304354C Process for purifying (methyl) propenoic acid by combined extracting and azeotropic rectification |
| 03/14/2007 | CN1304353C Process for preparing chloro pivaloyl chloride |
| 03/14/2007 | CN1304352C Method for separating and purifying an aqueous mixture that mainly consists of acetic acid and formic acid |
| 03/14/2007 | CN1304351C Quasi-crystalline hydrated magnesium-aluminium hydroxy carboxylates, their preparation and their use |
| 03/14/2007 | CN1304350C Method for cleaning off-gas flows |
| 03/14/2007 | CN1304349C Method and apparatus for collecting (meth)acrolein or (meth)acrylic acid |
| 03/13/2007 | US7189872 controlling liquid/gas flow in stills used for purification of propenoic acid or 2-methylprop-2-enoic acid; distillation; purification; polymerization inhibition |
| 03/13/2007 | US7189871 Turbulence gas flow; manufacture of acetic acid in a fluid bed reactor wherein at least one oxidisable reactant selected from at least one of ethane and ethylene with molecular oxygen in the presence of a catalytically active fluidised bed of solid particles |
| 03/13/2007 | US7189377 Apparatus for performing integrated process for reproduction of vinyl acetate and/or acetic acid using a fluidized bed |
| 03/13/2007 | US7188639 Storage tank for easily polymerizable compound and method of storage |
| 03/08/2007 | WO2007026875A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE (S OR R)-α-HYDROXY ACID AND OPTICALLY ACTIVE (R OR S)-α-HYDROXY ACID ESTER |
| 03/08/2007 | WO2006134424A3 Method for the use of [11c] carbon monoxide in labeling synthesis of 11c-labelled acids by photo-induced free radical carbonylation |
| 03/08/2007 | WO2006127839A3 Process for production of esters from olefin-containing hydrocarbon streams and vegetable or animal oils |
| 03/08/2007 | US20070055079 Method for producing (meth)acrylic acid |
| 03/08/2007 | US20070055075 reduction of dialkyl 2,3,5,6-tetrafluoroterephthalate to give 2,3,5,6-tetrafluorodimethylolbenzene, then halogenation, hydrogenation and etherification with cis-((Z)-2-chloro-3,3,3-trifluoro-prop-I-enyl)-2,2-dimethylcyclopropane acyl chloride to yield tefluthrin; insecticides; miticides |
| 03/08/2007 | US20070055073 Methods and apparatus for producing lower alkyl esters |
| 03/08/2007 | DE102005042606A1 Neutralisationsverfahren Neutralization process |
| 03/08/2007 | DE102005042605A1 Neutralisationsverfahren Neutralization process |
| 03/08/2007 | DE102005042604A1 Neutralisationsverfahren Neutralization process |
| 03/07/2007 | EP1760066A2 Processes for the preparation of cyclopropyl carboxylic acid derivatives and intermediates provided by these processes |
| 03/07/2007 | EP1760064A1 Method for deuterating haloacrylic acid or its salt |
| 03/07/2007 | EP1758846A1 Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
| 03/07/2007 | EP1758845A2 Preparation of aminophosphines |
| 03/07/2007 | EP1758844A1 Phosphine-phosphoramidite compounds |
| 03/07/2007 | EP1317408B1 Method for the purification of lactic acid on an industrial scale |
| 03/07/2007 | CN1926091A Process for the carbonylation of ethylenically or acetylenically unsaturated compounds |
| 03/07/2007 | CN1926089A Removal of permanganate reducing compounds from methanol carbonylation process stream |
| 03/07/2007 | CN1926088A Control method for process of removing permanganate reducing compounds from methanol carbonylation process |
| 03/07/2007 | CN1926087A Removal of permanganate reducing compounds from methanol carbonylation process stream |
| 03/07/2007 | CN1926086A Process for producing acetic acid |
| 03/07/2007 | CN1926085A Process for producing carbonylation products |
| 03/07/2007 | CN1926078A Process for recovering organic compounds from aqueous streams containing same |
| 03/07/2007 | CN1923803A Arginine rosmarinate, preparation method, pharmaceutical composition and use thereof |
| 03/07/2007 | CN1923789A Method of drying terephthalic acid |
| 03/07/2007 | CN1923788A Recovering device for oxidization low pressure end gas in process of preparing terephthalic acid |
| 03/07/2007 | CN1923786A Method of preparing oxalic acid |
| 03/07/2007 | CN1923785A Method of recovering acetic acid in process of preparing aromatic carboxyl acid |
| 03/07/2007 | CN1923773A Method of recovering unreacted alkylbenzene in process of preparing aromatic carboxyl acid |
| 03/07/2007 | CN1303053C Method for realizing cleansing production of sebacic acid by using clearing resin |
| 03/07/2007 | CN1303052C Process for preparing Danshensu |
| 03/07/2007 | CN1303051C Process for preparing fluorocarboxylic acids |
| 03/07/2007 | CN1303050C Process for producing aromatic carboxylic acid |
| 03/06/2007 | US7186858 Reacting an oily alicyclic alcohol or ketone with an aqueous hydrogen peroxide in the presence of a Group 6 catalyst; glutaric acid, adipic acid, pimelic acid, or suberic acid synthesis; mild reaction conditions; nontoxic; pollution control |
| 03/06/2007 | US7186856 heating an ammonium salt of a carboxylic acid in the presence of a water immiscible organic amine to form an organic amine or ammonia and the acid; batch or contiuous processing; amine product can be reused |
| 03/01/2007 | WO2007025145A2 Method, apparatus and system for biodiesel production from algae |
| 03/01/2007 | WO2007023295A2 Use of grinding in chemical synthesis |
| 03/01/2007 | WO2007023173A1 A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate |
| 03/01/2007 | WO2007023134A1 Method for producing organometallic framework materials containing main group metal ions |
| 03/01/2007 | WO2007023129A2 Method for separating compound-forming chiral systems |
| 03/01/2007 | WO2007023119A1 Mesoporous metal-organic framework |
| 03/01/2007 | WO2007022621A2 Methods for preparation and use of strong base catalysts |
| 03/01/2007 | US20070049769 Fixed bed multitube reactor |
| 03/01/2007 | US20070049763 Methods for preparation and use of strong base catalysts |
| 03/01/2007 | US20070048848 Method, apparatus and system for biodiesel production from algae |
| 03/01/2007 | CA2620879A1 Methods for preparation and use of strong base catalysts |
| 03/01/2007 | CA2620167A1 Highly photocatalytic phosphorus-doped anatase-tio2 composition and related manufacturing methods |
| 03/01/2007 | CA2620113A1 Method for producing organometallic framework materials containing main group metal ions |
| 03/01/2007 | CA2618869A1 Mesoporous metal-organic framework |
| 02/28/2007 | EP1757573A1 Oxidation reaction of alcohol using hydrogen peroxide and tungsten catalyst |
| 02/28/2007 | EP1756131A2 Ferrocenyl ligands for homogeneous, enantioselective hydrogenation catalysts |
| 02/28/2007 | EP1756130A1 Method for producing iron (iii) gluconate complex |
| 02/28/2007 | EP1756032A1 Crth2 receptor antagonists |
| 02/28/2007 | EP1756031A1 Liquid phase oxidation of p-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms |
| 02/28/2007 | EP1756030A1 Improved filtrate preparation process for terephthalic acid filtrate treatment |
| 02/28/2007 | EP1755780A1 A catalyst and process for the synthesis of c2-oxygenates by the hydrogenation of carbon monoxide |
| 02/28/2007 | EP1527153B1 Method for the production of conjugated linoleic acids |
| 02/28/2007 | CN1922143A Alpha(trifluoromethyl-substituted aryloxy, arylamino, arylthio or arylmethyl)-trifluoromethyl-substituted phenylacetic acids and derivatives as antidiabetic agents |
| 02/28/2007 | CN1922126A Steam recompression in aromatic carboxylic acid processes |
| 02/28/2007 | CN1921941A Method for recovering molybdenum and method for preparing catalyst |
| 02/28/2007 | CN1919824A Preparation technique for dibromochrysanthemic acid |
| 02/28/2007 | CN1919822A Novel method of synthesizing cinnamic acid by catalyzed oxidation cinnamic aldehyde |
| 02/28/2007 | CN1919821A Method of recovery acetic acid from acetic acid containing waste water |
| 02/28/2007 | CN1301985C Method for extracting Vitamin C and gulonic acid from Vitamin C mother liquor |
| 02/28/2007 | CN1301956C Purification of a crude acid mixture |
| 02/28/2007 | CN1301955C Process for the carbonylation of ethylenically unsaturated compouds |
| 02/27/2007 | US7183428 Introducing an acrylic acid-containing gas obtaining by a reaction of catalytic gas phase oxidation of raw material of acrylic acid into an absorption column; distilling the acrylic acid-containing solution without using an azeotropic solvent; melt crystallizing |
| 02/27/2007 | US7183427 With low moisture content, by combining an aqueous solution of group 1A, 2A or zinc salt and an acrylic acid type or vinylsulfonic acid type monomer and heating under lower pressure in the presence of an aqueous polymerization inhibitor such as ascorbic acid, followed by distillation to remove water |
| 02/27/2007 | US7183421 Such as aldehyde, ketone, lactone, carboxylic acid ester, and carboxylic acid; by causing silica gel to carry the alcohol compound and N-oxyl compounds or corresponding N-hydroxy compounds as oxidation catalysts, and subjecting the alcohol compound to an electrolytic oxidation; organic solvent-free |
| 02/27/2007 | US7182940 Shea butter esters |
| 02/27/2007 | CA2225939C Process for the production of carbonyl compound |
| 02/22/2007 | WO2007021488A2 Process for removal of benzoic acid from an oxidizer purge stream |
| 02/22/2007 | WO2007021487A2 Process for removal of benzoic acid from an oxidizer purge stream |
| 02/22/2007 | WO2007021001A1 2,3,4-trifluoro-5-substituent-benzoic acid compound and process for producing the same |
| 02/22/2007 | WO2007020816A1 Process for producing difluoroacetic acid salt |