| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/17/2011 | US7943186 Hydroxycitric acid compositions, pharmaceutical and dietary supplements and food products made therefrom, and methods for their use in reducing body weight |
| 05/12/2011 | US20110112326 Process for hydrogenation |
| 05/12/2011 | US20110112325 Catalyst for producing acrolein and/or acrylic acid and process for producing acrolein and/or acrylic acid using the catalyst |
| 05/12/2011 | US20110112324 Methanol carbonylation with improved aldehyde removal |
| 05/12/2011 | US20110112323 Process for production of high-purity trimellitic acid |
| 05/12/2011 | US20110112322 Hydrogenation of Benzene Polycarboxylic Acids or Derivatives Thereof |
| 05/12/2011 | US20110108763 Catalyst systems for the production of acids |
| 05/11/2011 | EP2318386A2 Manufacture of maleic anhydride from renewable materials, maleic anhydride obtained and uses thereof |
| 05/11/2011 | EP2318351A2 Method for the production of aryl polyglycol carboxylic acids by means of a direct oxidation process |
| 05/11/2011 | EP2188380B1 Method for the coproduction of methyl 7-oxoheptanoate and undecylenic acid from ricinoleic acid |
| 05/11/2011 | CN201825892U Complete device for purifying crude terephthalic acid into pure crude terephthalic acid |
| 05/11/2011 | CN201825891U Production device by switching crylic acid with acrolein |
| 05/11/2011 | CN201825890U Semi-continuous acrylic waste oil cracking device |
| 05/11/2011 | CN201823445U Acrolein absorption tower |
| 05/11/2011 | CN1964935B Method for producing alpha,beta-unsaturated carboxylic acid |
| 05/11/2011 | CN102056886A Method for starting a gas-phase oxidation reactor |
| 05/11/2011 | CN102056885A Method for manufacturing acetic acid and ammonia |
| 05/11/2011 | CN102056883A Process for the preparation of halogenated benzoic acid derivatives |
| 05/11/2011 | CN102056662A Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same |
| 05/11/2011 | CN102056661A Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same |
| 05/11/2011 | CN102050785A Imidazoline ionic liquid and preparation method and application thereof |
| 05/11/2011 | CN102050729A Synthesis process of 3,5-ditertiary butyl-4-hydroxyl-benzoic acid |
| 05/11/2011 | CN102050728A Method for processing nonaqueous synthetic zinc benzoate |
| 05/11/2011 | CN102050727A Processing method for synthesizing calcium benzoate at low temperature |
| 05/11/2011 | CN102050726A Method and equipment for separating cyclohexanecarboxylic acid slurry |
| 05/11/2011 | CN102050725A Method for preparing Alpha-keto-phenylalanine calcium |
| 05/11/2011 | CN102050724A Ultrasonic reaction preparation method of zinc lactate by |
| 05/11/2011 | CN102050723A Method for producing sodium lactate |
| 05/11/2011 | CN102050721A Method for synthesizing phenylacetic acid from benzyl chloride carbonyl |
| 05/11/2011 | CN102050719A Method for processing nonaqueous synthetic calcium stearate |
| 05/11/2011 | CN102050718A Processing method for synthesizing zinc stearate |
| 05/11/2011 | CN102050471A Method for recycling sodium formate and sodium sulfite from waste sodium hydrosulfite liquid with sodium formate method |
| 05/11/2011 | CN102049261A Method for preparing catalyst of acrolein by propylene oxidization |
| 05/11/2011 | CN101381295B Double label <13>C2-acetic acid preparation method |
| 05/11/2011 | CN101337882B Method for purifying rupestonic acid and chrysosplenetin B by high speed reversed flow chromatography |
| 05/11/2011 | CN101284777B Process for preparing terephthalic acid and ethane diacid by degrading waste polyethylene glycol terephthalate plastic |
| 05/11/2011 | CN101284775B Process for reclaiming 2-keto-L-gulonate by salting out method |
| 05/11/2011 | CN101274891B S-4- methyloctane derivate, synthetic method thereof and application thereof to (S)-3-methyl-heptanoate sythesis |
| 05/11/2011 | CN101060927B Use of titanium dioxide mixtures for producing catalysts |
| 05/11/2011 | CN101024608B Process for preparing fumaric acid by spraying acid water to benzene anhydride oxidized tail gas |
| 05/10/2011 | US7939597 Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration |
| 05/10/2011 | US7939571 Process for the conversion of synthesis gas to oxygenate |
| 05/05/2011 | WO2011052178A1 Method for synthesizing unsaturated carboxylic acid and/or derivative of same |
| 05/05/2011 | WO2011051621A2 Method and device for producing alkene derivatives |
| 05/05/2011 | WO2011031424A3 High shear system and method for the production of acids |
| 05/05/2011 | US20110105792 Process for producing allyl acetate |
| 05/05/2011 | US20110105791 Process for preparing acrylic acid purified by crystallization from hydroxypropionic acid and apparatus therefore |
| 05/05/2011 | US20110105790 Method for the production of a nanocrystalline molybdenum mixed oxide |
| 05/05/2011 | US20110105789 Method for producing catalyst for preparation of methacrylic acid and method for preparing methacrylic acid |
| 05/05/2011 | US20110105784 Multi-staged catalyst systems and process for converting alkanes to alkenes and to their corresponding oxygenated products |
| 05/05/2011 | US20110105708 Process for manufacturing reduced water content (meth)acrylic acid |
| 05/05/2011 | US20110105443 Salts of memantine and cox-inhibitors and their crystal form in the treatment of pain |
| 05/05/2011 | DE112009001434T5 Verfahren zum Herstellen einer aromatischen Polycarbonsäure A method for producing an aromatic polycarboxylic acid |
| 05/05/2011 | DE112009001236T5 Verfahren zur Gewinnung von Isopimarsäure A process for recovering isopimaric |
| 05/05/2011 | DE102009050439A1 Nanoskaliges ß-Nukleierungsmittel für Polypropylen Nanoscale ß-nucleating agent for polypropylene |
| 05/04/2011 | EP2316811A1 Process for producing hydrogenated aromatic polycarboxylic acid |
| 05/04/2011 | EP2316564A2 Multiphasic microchannel reactions |
| 05/04/2011 | EP2315738A2 Use of foam bodies in oxidation reactors for preparing unsaturated aldehydes or carboxylic acids |
| 05/04/2011 | CN1953955B Process for the removal of catalytic metals and promoter metals from carbonylation process streams |
| 05/04/2011 | CN102046580A Methods for preparing oxydiphthalic anhydrides |
| 05/04/2011 | CN102046579A Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane dicarboxylic acid by way of ring-opening cross-metathesis (ROCM) of cyclooctene with acrylic acid |
| 05/04/2011 | CN102046578A Unsaturated dicarboxylic acids from unsaturated cyclic hydrocarbons and acrylic acid by way of metathesis, the use thereof of as monomers for polyamides, polyesters and polyurethanes, and subsequent reaction to diols and diamines |
| 05/04/2011 | CN102046577A Method for producing aromatic and heteroaromatic carboxylic acids, carboxylic acid esters and carboxylic acid amides |
| 05/04/2011 | CN102046576A Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 05/04/2011 | CN102046538A Catalytic wet oxidation systems and methods |
| 05/04/2011 | CN102046289A Catalyst and method of producing unsaturated aldehyde and unsaturated carboxylic acid |
| 05/04/2011 | CN102041279A Biomembrane-electrodialysis coupling continuous production technology of L-lactic acid |
| 05/04/2011 | CN102041153A Preparation method for coating lubricant |
| 05/04/2011 | CN102041152A Metal stearate lubricating agent and preparation method and application thereof |
| 05/04/2011 | CN102040515A Method for producing aminothiazole derivative and production intermediate |
| 05/04/2011 | CN102040514A Synthesizing method of 3-hydroxyl-2-methyl benzoic acid |
| 05/04/2011 | CN102040513A Method for preparing aqueous paste of terephthalic acid through solvent displacement |
| 05/04/2011 | CN102040512A Crude terephthalic acid mother solution replacing method |
| 05/04/2011 | CN102040511A Method for preparing rupestonic aid |
| 05/04/2011 | CN102040510A Method for preparing citric acid |
| 05/04/2011 | CN102040509A Method for preparing citric acid |
| 05/04/2011 | CN102040508A Bubble method for producing sodium gluconate |
| 05/04/2011 | CN102040507A Preparation methods of 7-phenyl-6-heptynoic acid and reactant of sodium 5-bromo-pentanoate |
| 05/04/2011 | CN102040506A Process for extracting pterodontic acid from laggera pterodonta |
| 05/04/2011 | CN102040505A Method for preparing unsaturated acid by oxidation of unsaturated aldehyde |
| 05/04/2011 | CN102040504A Method for preparing adipic acid by taking carbon nanotube filled with magnetic iron particles as catalyst |
| 05/04/2011 | CN102040503A Technology for separating glutaric acid in mixed dibasic acid through absorption method by macroporous absorbent resin combined with crystallization method |
| 05/04/2011 | CN102040502A Method for extracting unsaturated fatty acid from fungi |
| 05/04/2011 | CN102040501A Method for preparing pelargonic acid and isononanoic acid by catalyzing 1-octylene through water-soluble palladium-phosphine complex catalyst |
| 05/04/2011 | CN102040476A Method for separating and purifying 1,3-propylene glycol from fermentation liquor |
| 05/04/2011 | CN102039144A Unsaturated aldehyde catalyst produced by an oxidation method and preparation method thereof |
| 05/04/2011 | CN102039143A Preparation method of catalyst for acrylic acid by oxidizing acraldehyde |
| 05/04/2011 | CN102039141A Catalyst for preparing unsaturated acid from unsaturated aldehyde by oxidization and preparation method of catalyst |
| 05/04/2011 | CN102039123A Terephthalic acid hydrofined catalyst and preparation method thereof |
| 05/04/2011 | CN102039122A Palladium carbon catalyst for hydrofining crude terephthalic acid |
| 05/04/2011 | CN101474578B Method of separating imide compound |
| 05/04/2011 | CN101289379B Process for preparing bromoundecanoic acid by tower type addition of undecylenic acid |
| 05/04/2011 | CN101225040B Method for extracting crocetin from gardenia |
| 05/04/2011 | CN101223124B Process for producing carboxylic acid |
| 05/04/2011 | CN101033190B Method of preparing adapalene |
| 05/04/2011 | CN101027274B Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 05/03/2011 | US7935851 Isobutylene |
| 05/03/2011 | US7935850 Contacting propylene stream and synthesis gas comprising hydrogen and carbon monoxide to produce butyraldehyde and butanol; reduction of amounts of waste gases |
| 05/03/2011 | US7935845 liquid phase oxidation of aromatic hydrocarbons para-xylene to produce aromatic carboxylic acid terephthalic acid; catalytic oxidation in solvent; performing a high efficiency heat exchange separation and purification from exothermic oxidation reaction |
| 05/03/2011 | US7935844 Recovery of energy during the production of aromatic carboxylic acids |