| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/21/2013 | WO2013037131A1 Process for preparation of methacrylic acid and methacrylic acid ester |
| 03/21/2013 | WO2012153345A9 Docosahexaenoic acid (dha) as polyunsaturated free fatty acid in its directly compressible powder form and method of isolation thereof |
| 03/21/2013 | US20130072718 High shear system and process for the production of acetic anhydride |
| 03/21/2013 | US20130072716 PROCESS FOR PREPARING MODIFIED V-Ti-P CATALYSTS FOR SYNTHESIS OF 2,3-UNSATURATED CARBOXYLIC ACIDS |
| 03/21/2013 | US20130072715 PROCESS FOR PREPARING V-Ti-P CATALYSTS FOR SYNTHESIS OF 2,3-UNSATURATED CARBOXYLIC ACIDS |
| 03/21/2013 | US20130072669 Covalently Functionalized Carbon Nanostructures and Methods for Their Separation |
| 03/21/2013 | US20130072504 Crystalline forms of a purine derivative |
| 03/21/2013 | CA2848647A1 Device and method for separating off water and recovering a carboxylic acid from reactor discharge during an aromatic compound oxidation reaction using energy donating coupled distillation |
| 03/20/2013 | EP2570186A1 Mixed catalyst |
| 03/20/2013 | EP2569272A1 Process for preparing dicarboxylic acids |
| 03/20/2013 | CN202808652U Synthesis device for octadecanoyl chloride |
| 03/20/2013 | CN202808651U System for separating calcium formate in preparation process of trimethylolpropane by calcium method |
| 03/20/2013 | CN202803214U Raw material melting kettle for octadecanoyl chloride production |
| 03/20/2013 | CN102985399A Method for preparing chemical compounds of interest by nucleophilic aromatic substitution of aromatic carboxylic acid derivatives supporting at least one electro-attractive group |
| 03/20/2013 | CN102985177A A mixed oxide catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| 03/20/2013 | CN102985150A Process and system for the separation of solid carboxylic acid fines |
| 03/20/2013 | CN102978011A Method for preparing low-pour-point lubricant additive from low-priced cotton seed oil |
| 03/20/2013 | CN102977025A (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-III crystal |
| 03/20/2013 | CN102977024A (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-I crystal |
| 03/20/2013 | CN102977023A (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-III crystal |
| 03/20/2013 | CN102977022A (-)-meptazinol phenyl carbamate-L-(+)-tartrate IV type crystal |
| 03/20/2013 | CN102976930A Novel thermoplastic-shaped plastic nucleating agent |
| 03/20/2013 | CN102976929A Method for synthesizing (4-chloro-2-phenoxy phenyl)-acetic acid |
| 03/20/2013 | CN102976927A Preparation method of calcium alpha-ketoglutarate |
| 03/20/2013 | CN102976926A Citric acid crystal and preparation method thereof |
| 03/20/2013 | CN102976925A Anhydrous citric acid crystal and production method thereof |
| 03/20/2013 | CN102976924A Full synthetic method for homoharringtonine side chain acid and analogue thereof |
| 03/20/2013 | CN102976923A New process for extracting lactic acid from lactic acid fermentation liquid |
| 03/20/2013 | CN102976922A Novel method for recovering calcium lactate by hydrolysis of waste polylactic acid material |
| 03/20/2013 | CN102976921A Chlorinating liquid draining system for chloroacetic acid production |
| 03/20/2013 | CN102976920A Preparation process of high-purity calcium stearate |
| 03/20/2013 | CN102976919A Method for co-producing propionic acid during production of acetic acid |
| 03/20/2013 | CN102976918A Making method for aromatic polycarboxylic acid polyacylchloride |
| 03/20/2013 | CN102976917A Aqueous-phase refining method of long-chain dibasic acid |
| 03/20/2013 | CN102976916A Novel process for rapidly synthesizing zinc fatty acid |
| 03/20/2013 | CN102976879A Supported PtAu catalyst and method for catalytic reduction of olefinic bonds or acetylenic bonds by using same |
| 03/20/2013 | CN102432562B Quetiapine fumarate compound and new preparation method thereof |
| 03/20/2013 | CN102180784B Synthesis method of sodium acrylate |
| 03/20/2013 | CN102114427B Method for preparing catalyst in preparation of acrylic acid by oxidizing acrolein |
| 03/20/2013 | CN101973890B Method for preparing and synthesizing chiral (R)-alpha-phenylethylamine acetate |
| 03/20/2013 | CN101962320B Method for preparing intermediate 1,2-dicarboxylicacid of antidiabetic medicine gliclazide |
| 03/20/2013 | CN101914010B Method for preparing high-purity dimeric acid |
| 03/20/2013 | CN101704733B New hydrolysis coupling process of methyl acetate and special device thereof |
| 03/20/2013 | CN101698643B Boiling bleacher used in production process of sodium benzoate and operating process |
| 03/20/2013 | CN101671495B Calcium carbonate modifier and preparation method thereof |
| 03/20/2013 | CN101648865B Polyphenol acrylic acid derivative and application thereof in medicaments |
| 03/20/2013 | CN101160279B Sodium diformate production and use |
| 03/19/2013 | US8399693 Preparation of an active intermediate |
| 03/19/2013 | CA2682097C High shear system and process for the production of acetic anhydride |
| 03/19/2013 | CA2586260C Process for preparing aloe-emodin |
| 03/14/2013 | WO2013036389A1 Acrylic acid from lactide |
| 03/14/2013 | WO2013035700A1 Heat-sensitive recording material |
| 03/14/2013 | WO2013034489A1 Method for producing zinc dicarboxylate |
| 03/14/2013 | US20130066107 Production of Acetic Acid with High Conversion Rate |
| 03/14/2013 | US20130066100 Process for preparing catalyst used in production of unsaturated aldehyde and/or unsaturated carboxylic acid by dehydration reaction of glycerin, and catalyst obtained |
| 03/14/2013 | DE102012016959A1 Preparing formic acid, comprises e.g. reacting a reaction mixture comprising carbon dioxide, hydrogen, polar solvent and tertiary amine in presence of cationic complex catalyst into hydrogenation mixture including formic acid-amine-adduct |
| 03/13/2013 | EP2566841A1 Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate |
| 03/13/2013 | EP2566840A1 Process for the continuous transvinylation of carboxylic acids with vinyl acetate |
| 03/13/2013 | CN202778452U Chloration reaction tank with safety relief device |
| 03/13/2013 | CN202778451U Apparatus for chloroacetic acid making |
| 03/13/2013 | CN1572767B Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 03/13/2013 | CN102971284A Process for purifying acetic acid streams by removing permanganate reducing compounds |
| 03/13/2013 | CN102971073A A nitrided mixed oxide catalyst system and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| 03/13/2013 | CN102964242A Citric acid crystal and production method thereof |
| 03/13/2013 | CN102964241A Production method of citric acid monohydrate crystals |
| 03/13/2013 | CN102964240A Preparation method of high-purity glycolic acid crystals |
| 03/13/2013 | CN102964237A Method and equipment for preparing copper acetate by using nitric acid catalytic oxidation method |
| 03/13/2013 | CN102964236A Method for underload recovery of methyl iodide from low-pressure tail gas in acetic acid production |
| 03/13/2013 | CN102964235A Anticaking agent for sodium formate |
| 03/13/2013 | CN102964224A Process |
| 03/13/2013 | CN102962052A Catalyst for process of synthesizing acrylic acid by using acetic acid and paraformaldehyde, preparation and application of catalyst |
| 03/13/2013 | CN102961984A Dissolution tank for drug level benzoic acid production and operation method |
| 03/13/2013 | CN101914008B Method for recycling catalyst in process of preparing dichloropropanol by using glycerol method |
| 03/13/2013 | CN101914005B Method for preparing palladium acetate compound |
| 03/13/2013 | CN101891606B New method for synthesizing rhodium caprylate (II) |
| 03/13/2013 | CN101885678B Reaction equipment for synthesizing ethylic acid by low-pressure methanol carbonylation of methanol |
| 03/13/2013 | CN101781195B Crystal form VII of sofalcone and preparation method and application thereof |
| 03/13/2013 | CN101665716B Composite deacidification agent and method for recovering naphthenic acid from oil |
| 03/13/2013 | CN101405250B Process for the production of acetic acid |
| 03/12/2013 | US8394989 Fluorinated oxy-carboxylic acids, derivatives, and methods of preparation |
| 03/12/2013 | US8394988 Production of acetic acid with high conversion rate |
| 03/12/2013 | US8394987 Methyl iodide removal from acetic acid waste stream |
| 03/12/2013 | CA2572124C Process for carbonylating phenylalkyl derivatives by means of carbon monoxide |
| 03/07/2013 | WO2013033081A2 Process for producing both biobased succinic acid and 2,5-furandicarboxylic acid |
| 03/07/2013 | WO2013030162A1 Process of formic acid production by hydrolysis of methyl formate |
| 03/07/2013 | WO2013029767A1 Process for preparing di-substituted succinates |
| 03/07/2013 | WO2013029446A1 Spirobenzylamine-phosphine, preparation method therefor and use thereof |
| 03/07/2013 | WO2013029149A1 Methods for the valorization of carbohydrates |
| 03/07/2013 | WO2013006594A8 Methods for the ozonolysis of organic compounds |
| 03/07/2013 | US20130060032 Potassium fluoride dispersion and process for producing fluorine-containing organic compound using the same |
| 03/07/2013 | US20130055632 Methods and procedures for producing useful products from waste materials |
| 03/07/2013 | US20130055625 Method for producing biodeisel fuel and biodeisel fuel composition |
| 03/06/2013 | EP2565177A1 Cleaning agent for lubricating oil and production process thereof |
| 03/06/2013 | EP2563510A1 Shell catalytic converter made of a hollow cylindrical carrier body and a catalytically active oxide mass applied to the outer surface of the carrier body |
| 03/06/2013 | CN202762140U Ion exchange column for gluconic acid solution |
| 03/06/2013 | CN202762126U Crystallization kettle for gluconic acid |
| 03/06/2013 | CN202762112U Vaporizing furnace for gluconic acid solution |
| 03/06/2013 | CN102958899A Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate |
| 03/06/2013 | CN102958897A 固体对苯二甲酸组合物 Solid terephthalic acid composition |
| 03/06/2013 | CN102958896A Mixtures used in oxidizing alkyl aromatic compounds |