| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/02/2003 | US20030004372 Comprises rotary filter assembly |
| 01/02/2003 | US20030004357 Organometallic reagent and the carbonyl compound are provided and tempered separately in a suitable solvent before being pumped into a tempered mini/ micromixer |
| 01/02/2003 | US20030004348 Difluoro-diamine methylene derivatives |
| 01/02/2003 | US20030000894 Process for treating liquid |
| 01/02/2003 | EP1270582A1 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative |
| 01/02/2003 | EP1270540A1 Process for the production of bromo difluoro acetyl compounds |
| 01/02/2003 | EP1270539A1 Process for the preparation of an aromatic carboxylic acid |
| 01/02/2003 | EP1270068A1 Hydrothermally synthesized Mo-V-M-X oxide catalysts for the selective oxidation of hydrocarbons |
| 01/02/2003 | EP1270065A1 Apparatus for pressure and temperature measurements in tube reactors |
| 01/02/2003 | EP1268718A2 Thickener component and lubricating grease containing an aluminium complex |
| 01/02/2003 | EP1268496A1 Water soluble chiral diphosphines |
| 01/02/2003 | EP1268460A2 Oxidaton of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan |
| 01/02/2003 | EP1268392A2 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers |
| 01/02/2003 | EP1268388A2 Method of removing organic iodides from organic media |
| 01/02/2003 | EP1268387A2 Specific salt forms of triphenylethylene derivatives as selective estrogen receptor modulators |
| 01/02/2003 | EP1268386A2 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof |
| 01/02/2003 | EP1268385A1 Method for producing aliphatic carboxylic acids from aldehydes |
| 01/02/2003 | EP1268384A1 Method for oxidising hydrocarbons into acids |
| 01/02/2003 | EP1268061A2 Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer |
| 01/02/2003 | EP1268059A1 Catalytic composition for carbonylation including iridium and pyridine polymers |
| 01/02/2003 | EP1200383A4 Process for purifying polycarboxylic acids |
| 01/02/2003 | EP1030829A4 Method and apparatus for preparing purified terephthalic acid |
| 01/02/2003 | EP0980350A4 Hydroxynaphthoic acids and derivatives |
| 01/02/2003 | EP0900122B1 Process for isolation of dicarboxylic acids and hydroxycarboxylic acids |
| 01/01/2003 | CN1388104A Process for producing (methyl)acrolein and/or (methyl) acrylic acid |
| 01/01/2003 | CN1387945A Oxometallide, producing method and application thereof |
| 01/01/2003 | CN1097577C Process and equipment for producing aromatic carboxylic acid |
| 01/01/2003 | CN1097576C Process for produding aromatic binary carboxylic acid |
| 12/31/2002 | US6500982 Dehydration in presence of polymerization inhibitor with turndown control, i.e. adjusting water or organic solvent fed to maintain optimal distillation column performance |
| 12/31/2002 | US6500781 Using rhodium-containing supported catalyst which also contains zirconium, copper, cobalt, nickel, manganese, iron, ruthenium, molybdenum, alkali metals or alkaline earth metals |
| 12/31/2002 | US6500779 Oxidation of n-butane to maleic anhydride |
| 12/31/2002 | US6500398 Method and apparatus for decomposing N2O |
| 12/31/2002 | US6500347 Oxidizing para-xylene with molecular oxygen in a solvent containing catalyst, acetic acid and water as solvents, and crystals of crude terephthalic acid are recovered by feeding a flash vapor, obtained by depressurizing oxidation liquid |
| 12/31/2002 | CA2232520C Method for oxidising hydrocarbons,alcohols and/or ketones |
| 12/27/2002 | WO2002102766A2 Combretastatin a-3 prodrug |
| 12/27/2002 | WO2002102755A1 Method for carbonylation of lower aliphatic alcohols using tin promted platinum catalyst |
| 12/27/2002 | WO2002102742A2 Method for the catalytic oxidative separation of cyclic saturated and unsaturated compounds |
| 12/27/2002 | WO2002102506A1 Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols |
| 12/27/2002 | CA2418102A1 Combretastatin a-3 prodrug |
| 12/26/2002 | US20020198426 Contacting the cyclic olefin with the second olefinic reactant in the presence of a catalyst composed of a Group 8 transition metal alkylidene complex under conditions and for a time period effective to allow the ROCM reaction to occur |
| 12/26/2002 | US20020198406 Two stage process for the production of unsaturated carboxylic acids by oxidation of lower unsaturated hydrocarbons |
| 12/26/2002 | US20020198405 Crystallization method for production of purified aromatic dicarboxylic acids |
| 12/26/2002 | US20020198103 Ring-shaped bodies composed of a catalyst composition containing at least molybdenum and bismuth as the active ingredients and inorganic fibers. |
| 12/25/2002 | CN1387525A 5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo [4.1.0] heptane-2-ones, method for their production and their use in production of cyclopropane carboxylic acid |
| 12/25/2002 | CN1387505A Compositions contg. hydroxyeicosatetraenoic acid derivs, and methods of use in treating dry eye disorders |
| 12/25/2002 | CN1387503A Hydroxyeicosatetraenoate salts, composition and method of use in treating dry eye disorders |
| 12/25/2002 | CN1387498A Method for recovering fluorinated emulsifiers |
| 12/25/2002 | CN1386733A Process for preparing isobutanoic acid |
| 12/25/2002 | CN1386579A Catalyst for preparing unsaturated aldehyde and unsaturated carboxylic acid |
| 12/25/2002 | CN1096879C Gas-phase catalyst oxidation reactor |
| 12/25/2002 | CN1096878C Catalytic gas phase oxidation method |
| 12/25/2002 | CN1096877C Catalytic gas phase oxidation reactor |
| 12/24/2002 | US6498272 Oxidizing acrolein and/or propene, quenching to cool, distilling, cleaving acrylic acid oligomers, condensing |
| 12/24/2002 | US6498270 Process for preparing a catalyst for use in production of methacrylic acid and process of preparing methacrylic acid |
| 12/24/2002 | US6498267 Preparation of pyrethroids. |
| 12/24/2002 | US6498262 Agitating an aqueous acetic acid and/or acetic anhydride solution and a sodium aluminate to from aluminum diacetate monobasic, and adding aluminum chloride to react the sodium acetate and form aluminum diacetate monobasic |
| 12/19/2002 | WO2002100881A1 Process for the synthesis of oxandrolone |
| 12/19/2002 | WO2002100813A2 Modulators of peroxisome proliferator activated receptors |
| 12/19/2002 | WO2002100536A1 Method for hydrogenating organic compounds by means of ru/sio2 catalysts |
| 12/19/2002 | WO2002072858A3 Degradation of epothilones and ethynyl substituted epothilones |
| 12/19/2002 | WO2001072422A8 Method of removing organic iodides from organic media |
| 12/19/2002 | US20020193632 Catalytic gas phase oxidation reaction, wherein a reaction gas contains a reducible compound |
| 12/19/2002 | US20020193631 Method for preparing aromatic carboxylic acids from alkylaromatics by liquie-phase oxidation |
| 12/19/2002 | US20020193630 Catalyst oxidation of a dialkylbenzene compound, a second oxidation, a hydrogenation of the product, and crystallization of the hydrogenation terephthalic acid using series connected crystallizers |
| 12/19/2002 | US20020193629 Process for production of aromatic carboxylic acids with improved water removal technique |
| 12/19/2002 | US20020193613 Method and device for cooling a hot reactor gas, for example in the production of phthalic anhydride |
| 12/19/2002 | US20020193246 Method for preparing heteropolyacid catalyst and method for producing methacrylic acid |
| 12/19/2002 | US20020193239 For use as catalysts in epoxidation of olefins, for oxidation of alcohols, oxidation of organic thiols; hydroxylation of aromatic compounds; ammoximation of ketones |
| 12/19/2002 | US20020192132 Sulfur-bearing residue treatment system |
| 12/19/2002 | US20020189927 Isolation of a treating fluid or chemical treatment from a treatment column and taking out a formed product by liquefication after evaporation |
| 12/19/2002 | DE10129117A1 Catalytic oxidative cleavage of saturated and unsaturated cyclic compounds to form non-cyclic compounds comprises use of heterocyclic catalyst and acid cocatalyst |
| 12/19/2002 | DE10129057A1 Verbessertes Verfahren zur Herstellung kernfluorierter Aromaten Improved process for preparing aromatic kernfluorierter |
| 12/19/2002 | CA2450077A1 Method for hydrogenating organic compounds by means of ru/sio2 catalysts |
| 12/19/2002 | CA2449256A1 Modulators of peroxisome proliferator activated receptors |
| 12/18/2002 | EP1266904A1 Improved process for preparing fluorinated aromatic compounds |
| 12/18/2002 | EP1266688A2 Mixed metal oxide catalyst doped by vapor depositing a metal and mixed metal oxide catalyst prepared by depositing a plurality of films of different elements using physical vapor deposition |
| 12/18/2002 | EP1266685A1 A method for preventing an easily polymerizable substance from polymerizing and a method for producing (meth)acrylic acid or an ester thereof |
| 12/18/2002 | EP1266679A1 Improved sulfur-bearing residue treatment system |
| 12/18/2002 | EP1265837A2 Method for producing o-chloromethyl benzoic acid chlorides |
| 12/18/2002 | EP1265836A1 Method for oxidising hydrocarbons into acids |
| 12/18/2002 | EP1115684B1 Process for the manufacture of quaternary carboxylic acids |
| 12/18/2002 | EP1109619B1 Reactor comprising a contact tube bundle |
| 12/18/2002 | CN1386115A Method of treating fluorine compound and treated substance |
| 12/18/2002 | CN1386114A Method of treating fluorine compound |
| 12/18/2002 | CN1385433A Method for producing pyromellitic dianhydride |
| 12/18/2002 | CN1385427A Halogen contained aromatic compound |
| 12/18/2002 | CN1096573C Method for transmitting easy polymerized material |
| 12/18/2002 | CN1096420C Producing process for rare-earth oxide and rareearth oxide obtained by same |
| 12/18/2002 | CA2389772A1 Process for the preparation of bromodifluoroacetic compounds |
| 12/17/2002 | US6495718 Use of flavinoids in sorbate-preserved compositions, as color-stabilized cosmetic and pharmaceutical compositions |
| 12/17/2002 | US6495717 Process for producing sorbic acid or salts thereof |
| 12/17/2002 | US6495710 Synthesis and use of dimethyl 1,5-naphthalenedicarboxlyates and intermediates therefrom |
| 12/17/2002 | US6495709 Nonaqueous organic precursor for forming aluminum oxide in solution |
| 12/17/2002 | US6495045 Solid substance removing device |
| 12/17/2002 | CA2052745C Process for the preparation of carnosic acid and the use of the acid for its anticarcinogenic and antiviral properties |
| 12/12/2002 | WO2002098836A1 Process for the production of purified terephthalic acid |
| 12/12/2002 | WO2002098834A1 Two stage oxidation process for the production of aromatic dicarboxylic acids |
| 12/12/2002 | WO2002098833A1 Process for production of aromatic carboxylic acids with improved water removal technique |
| 12/12/2002 | WO2002098827A1 Process for producing (meth)acrolein and/or (meth)acrylic acid |
| 12/12/2002 | WO2002098826A2 Solid phase extraction method for isolating unsaturated compounds |