| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/08/2005 | CN1205162C High-yield method of maleic anhydride produced by n-butane |
| 06/08/2005 | CN1204966C Gas-phase partial oxidation catalytic agent |
| 06/07/2005 | US6903236 Reacting acylhalide and alkali carbonate in one-step; distillation pressure. |
| 06/07/2005 | US6903235 Pharmaceutical-grade ferric citrate |
| 06/07/2005 | US6903232 Via crystallization of mixture of para-/meta- regioisomers; for production of terfenadine carboxylate |
| 06/07/2005 | US6903047 Surface treatment; grafting/calcination |
| 06/07/2005 | US6903045 Vaporous component comprising a halogen promoter; for producing esters and carboxylic acids from reactants including lower alkyl alcohols, in a vapor phase carbonylation process |
| 06/07/2005 | US6902917 Process for recovery of organic acids from fermentration broths |
| 06/07/2005 | CA2234113C Novel derivatives of salicylic acid and their use in a cosmetic and/or dermatological composition |
| 06/02/2005 | WO2005049543A1 Method of storing (meth)acrylic acid or ester thereof |
| 06/02/2005 | WO2005049542A1 Tertiary carboxylic acid |
| 06/02/2005 | WO2005049541A2 Method for purifying (meth)acrylic acid by oxidising a gaseous substrate |
| 06/02/2005 | WO2005049540A1 Process for producing carboxylic acid |
| 06/02/2005 | WO2005049539A1 Process for producing carboxylic acid |
| 06/02/2005 | WO2005049536A1 Method for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 06/02/2005 | WO2004108740A3 Nutritional supplements and therapeutic compositions comprising (r)-3-hydroxybutyrate derivatives |
| 06/02/2005 | WO2004105938A3 Oxidation of propane to give acrylic acid using catalysts in a mixture of crystalline phases |
| 06/02/2005 | US20050119498 Process for the production of metal salts of radical-polymerizable compounds |
| 06/02/2005 | US20050119495 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation |
| 06/02/2005 | US20050119448 Method of producing lactic acid |
| 06/02/2005 | US20050115897 Extraction and winterization of lipids from oilseed and microbial sources |
| 06/02/2005 | US20050115590 Method for cleaning plate columns used for rectifying liquids containing (meth)acrylic acid and/or the esters thereof |
| 06/02/2005 | DE10351269A1 Long-term operation of heterogeneously catalyzed gas phase partial oxidation of propene to acrylic acid, comprises interrupting gas phase partial oxidation before temperature increase of fixed catalyst bed is permanent |
| 06/02/2005 | DE10350822A1 Long-term operation of heterogeneously catalyzed gas phase partial oxidation of acrolein to acrylic acid, by interrupting gas phase partial oxidation |
| 06/02/2005 | DE102004021764A1 Production of acrylic acid with low by-product content, for use as monomer, by heterogeneous catalyzed partial oxidation of 3C hydrocarbon precursor, preferably with post-reaction to oxidize by-products |
| 06/01/2005 | EP1535920A1 Process for preparation of 1,3-benzodioxole-2-spiro- cycloalkane derivatives |
| 06/01/2005 | EP1535894A1 Process for manufacturing reduced water content (meth)acrylic acid |
| 06/01/2005 | EP1535893A1 Process for producing (meth)acrylic acid compound |
| 06/01/2005 | EP1535889A1 Method of deuterating aromatic ring |
| 06/01/2005 | EP1534671A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 06/01/2005 | EP1534427A1 An adamantyl catalytic system |
| 06/01/2005 | EP1392636A4 Process for preparing carboxylic acids and derivatives thereof |
| 06/01/2005 | EP1228030B1 Benzenoid derivatives of 15-hydroxyeicosatetraenoic acid and methods of their use in treating dry eye disorders |
| 06/01/2005 | EP1185600A4 A process for concentrating azelaic acid |
| 06/01/2005 | EP1169282B1 Site-specific isotopically-labeled proteins, amino acids, and biochemical precursors therefor |
| 06/01/2005 | EP0912484B2 Method for purifying adipic acid in water |
| 06/01/2005 | CN1622937A Process for the manufacture of HMG-coa reductase inhibitors |
| 06/01/2005 | CN1622931A Method for producing acrylic acid |
| 06/01/2005 | CN1622930A Process for producing (meth)acrylic acid compound |
| 06/01/2005 | CN1622929A Process for production of 3, 3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives |
| 06/01/2005 | CN1622928A Process control in production of acetic acid via use of heavy phase density measurement |
| 06/01/2005 | CN1622927A Novel process for producing 1, 2-diol |
| 06/01/2005 | CN1622856A Catalyst supported on carbon having macroporosity for purification of aromatic acids |
| 06/01/2005 | CN1621402A Extraction and purification process of ferulic acid |
| 06/01/2005 | CN1204107C Process for recovery of purified terephthalic acid (PTA) |
| 05/31/2005 | US6900346 Via catalyst such as 4,4',4"-tris-(2,2,6,6-tetramethyl-piperidinoxyl)phosphite during production of acrylic acid; by-product inhibition |
| 05/31/2005 | CA2083547C Ashless dispersants formed from substituted acylating agents and their production and use |
| 05/26/2005 | WO2005047226A1 Method for long term operation of a heterogeneously catalysed gas phase partial oxidation of acrolein in order to form acrylic acid |
| 05/26/2005 | WO2005046870A1 Process for producing composite oxide catalyst |
| 05/26/2005 | WO2005046861A2 Chemical synthesis with a strong electrical field |
| 05/26/2005 | US20050113606 Continuous production of chlorodifluoroacetyl fluoride via chlorotrifluoroethylene oxidation |
| 05/26/2005 | US20050113605 Adding at least one aldehyde treating compound to the (meth)acrylic acid stream such that said it reacts with the aldehyde to produce a product having a higher boiling point temperature than (meth)acrylic acid and separating product from (meth)acrylic acid stream by distillation |
| 05/26/2005 | US20050113604 Aldehyde conversion method using a molecular sieve and the use of the molecular sieve as a catalyst in said method |
| 05/26/2005 | US20050113603 Method of removing iron oxide deposits from the surface of titanium components |
| 05/26/2005 | US20050113598 Process for the production of triiodotrimesic acid |
| 05/26/2005 | US20050113567 Chemical intermediates for agricultural chemical of perfluoroisopropyl benzene derivtives and raw materials and agricultural compounds |
| 05/26/2005 | US20050113440 Compounds that modulate PPAR activity and methods for their preparation |
| 05/25/2005 | EP1533029A1 Catalyst systems for converting Alkanes to Alkenes and to their corresponding oxygenated products |
| 05/25/2005 | EP1461329B1 Preparation of substituted phthalic anhydrides and substituted phthalimides |
| 05/25/2005 | EP1028801B1 A method of performing a chemical reaction |
| 05/25/2005 | EP0994932B1 Use of overbased magnesium composition as a control additive for deposits in fuel oils |
| 05/25/2005 | DE10359027A1 Manufacture of multi-metal oxide composition, e.g. for hydrocarbon oxidation, involves preparing solutions containing specific metal complex, forming mixed solution stream, breaking formed stream into droplets, and calcining dried droplets |
| 05/25/2005 | DE102004021763A1 Extended gas-phase oxidation of acrolein to acrylic acid for use in polymer production, involves using an isothermal reactor followed by an adiabatic reactor, both with a multi-metal oxide molybdenum-vanadium catalyst |
| 05/25/2005 | CN1620417A Method for producing phthalic anhydride |
| 05/25/2005 | CN1620330A Extraction and winterization of lipids from oilseed and microbial sources |
| 05/25/2005 | CN1618785A Production technology of 2-methyl-4-chloro-sodium phenoxy acetate |
| 05/25/2005 | CN1618784A Method of producing formic acid using packed bed electrodialysis |
| 05/25/2005 | CN1618776A Prepn. of surfactant containing branched alkyl radical |
| 05/25/2005 | CN1203042C Preparation of optical pure D-malic acid |
| 05/24/2005 | US6897344 Method of treating fluorine compound and treated substance |
| 05/24/2005 | US6897338 Treating biomass containing a polyhydroxyalkanoate to form an alkenoic acid |
| 05/24/2005 | US6897333 Such as fenofibrate, clofibrate and ciprofibrate by reacting alpha-bromoisobutyric acid or ester with a phenol para-substituted with a halo-containing group |
| 05/24/2005 | US6897327 Manufacture of conjugated linoleic salts and acids |
| 05/24/2005 | US6897325 Reacting an unsaturated fatty compound and an alpha -olefin in the presence of a transition metal catalyst and a solvent mixture that is a single liquid phase above 20 degrees C. and is two liquid phases below 20 degrees C. |
| 05/24/2005 | CA2166381C An improved method of preparing glyoxylic acid/aminomethylphosphonic acid mixtures using a microbial double-transformant |
| 05/19/2005 | WO2005044772A1 Method for producing purified (meth)acrylic acid |
| 05/19/2005 | WO2005044771A2 Method for the production of formic acid formates |
| 05/19/2005 | WO2005023752A3 A recycling process for preparing sertraline |
| 05/19/2005 | WO2004046077A8 A method for preparing indan-1,3-dicarboxylic acid |
| 05/19/2005 | US20050107636 Recycling process for preparing sertraline |
| 05/19/2005 | US20050107630 Staged countercurrent oxidation |
| 05/19/2005 | US20050107483 Process for catalytic vapor phase oxidation |
| 05/19/2005 | US20050107392 treatment of disease such as diabetes, obesity, hyperlipidemia, and atherosclerotic disease; e.g. ethyl (5-methoxy-2,3-dihydro-1H-inden-1-ylidene)ethanoate |
| 05/19/2005 | US20050107252 Admixing, extracting/drying/atomizing with supercritical stream to form a processed precursor, and calcining; for vapor phase oxidation |
| 05/19/2005 | US20050104233 Method of substituent introduction through halogen-metal exchange reaction |
| 05/19/2005 | CA2544200A1 Method for the production of formic acid formates |
| 05/18/2005 | EP1531001A1 Process for preparing mixed metal oxide catalyst |
| 05/18/2005 | EP1530561A1 Method for producing phthalic acid dichloride |
| 05/18/2005 | EP1530560A1 Method and device for producing formates and the use thereof |
| 05/18/2005 | EP1530559A1 Method and device for producing formic acid formates and use of said formates |
| 05/18/2005 | CN1617866A Preparation of substituted phthalic anhydrides and substituted phthalimides |
| 05/18/2005 | CN1617849A Hiv整合酶抑制剂 Hiv integrase inhibitors |
| 05/18/2005 | CN1617846A Production method of (r)-3- hydroxy-3-(2-phenylethyl)hexanoic acid and intermediate thereof |
| 05/18/2005 | CN1617843A Method for vapor phase catalytic oxidation |
| 05/18/2005 | CN1616469A Method for coproducing acetyl chloride and hydroxy ethylidene diphosphonic acid |
| 05/18/2005 | CN1616411A Novel chiral amino acid derivative and its synthetic method and use |
| 05/18/2005 | CN1616394A Method for preparing azelaic acid by microwave reaction |
| 05/18/2005 | CN1616393A Method for preparing anchoic acid by microwave cracking ozonization reaction product |
| 05/18/2005 | CN1616392A Staged countercurrent oxidation |
| 05/18/2005 | CN1616384A Difluoroalkylaromatics |