| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/21/2009 | CN101347730A Hydrogenation catalyst for refinement of crude terephthalic acid |
| 01/21/2009 | CN101347729A Method for preparing Pd/carbon catalyst for hydrofinishing of coarse isophthalic acid |
| 01/21/2009 | CN101347728A Process for preparing Pd/carbon catalyst of high activity |
| 01/21/2009 | CN101347727A Process for preparing Pd/carbon catalyst |
| 01/21/2009 | CN101347726A Process for preparing catalyst Pd/TiO2 for hydrogenation of p-carboxybenzaldehyde |
| 01/21/2009 | CN100453577C Process for producing terephthalic unsaturated polyester resin by using terephthalic acid rinsing residue |
| 01/21/2009 | CN100453519C Preparing method for linolenic acid or linolenic acid lower member ester |
| 01/21/2009 | CN100453518C Method for centrifugally separating slurry containing aromatic carboxylic acid |
| 01/21/2009 | CN100453517C Method for producing aromatic carboxylic acid and method for producing terephthalic acid |
| 01/21/2009 | CN100453146C Process and apparatus for purifying arene oxidizing tail gas |
| 01/20/2009 | US7479570 Catalytic reduction using a catalyst comprising an organometallic compound of cobalt, iron, iridium, osmium, rhodium, or ruthenium having a ligand such as 4,4'-dimethoxy-2, 2'-bipyridine; hydrogenation to formic acid or salt |
| 01/20/2009 | CA2512630C Novel process for preparing a 5-hydroxy-3-oxo-hexanoic acid derivative |
| 01/20/2009 | CA2235797C Process for purification of almost completely anhydrous organic liquids |
| 01/15/2009 | WO2009007391A1 Process for converting levulinic acid into pentanoic acid |
| 01/15/2009 | WO2009007193A1 Method for the production of ketoacids and their derivatives |
| 01/15/2009 | WO2008113731A3 Polynary metal oxide phosphate |
| 01/15/2009 | WO2008062460A3 Crystalline forms of pregabalin |
| 01/15/2009 | US20090018362 Acrylic acid preparation method |
| 01/15/2009 | US20090018361 Process of producing high purity terephthalic acid |
| 01/15/2009 | US20090018342 New epothiolone derivatives, process for their production, and their pharmaceutical use |
| 01/15/2009 | US20090018311 Methods and compounds for producing dipeptidyl peptidase iv inhibitors and intermediates thereof |
| 01/15/2009 | DE102007031917A1 Verfahren zur Herstellung von Ketosäuren und deren Derivaten Process for the preparation of keto acids and their derivatives |
| 01/15/2009 | CA2695052A1 Process for converting levulinic acid into pentanoic acid |
| 01/14/2009 | EP2012918A1 Catalyst system for preparing carboxylic acids and/or carboxylic anhydrides |
| 01/14/2009 | EP1669343B1 Method for producing high purity terephthalic acid |
| 01/14/2009 | EP1131337B1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 01/14/2009 | CN101346337A Production of sodium diformate |
| 01/14/2009 | CN101343221A Method for fine purification of 10-hydroxyl radical n-decanoic acid with macroporous resin |
| 01/14/2009 | CN100451017C Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst |
| 01/14/2009 | CN100450992C Method for producing purified (meth)acrylic acid |
| 01/14/2009 | CN100450991C Process for preparing peach leaf mandelic acid extract |
| 01/14/2009 | CN100450990C Method for treating asphalt like slag in preparing rheinic acid and diacerein process with aloe |
| 01/14/2009 | CN100450989C Method of preparing non-metallic ion 4,5,6-carbon diacid |
| 01/14/2009 | CN100450988C Low pressure device for synthesizing acetic acid by methanol carbonylation |
| 01/14/2009 | CN100450621C Catalyst system used in low pressure methanol carbonyl synthesizing acetic acid |
| 01/13/2009 | US7476761 Continuous process; methanol and carbon monoxide; methyl iodide, methyl acetate, and water; rhodium catalyst; adjusting amount of carbon monoxide and hydrogen in liquid phase of reaction system; inhibit precipitation of metal catalyst, generation of by-product; improve formation rate |
| 01/13/2009 | US7476742 treatment of disease such as diabetes, obesity, hyperlipidemia, and atherosclerotic disease; e.g. ethyl (5-methoxy-2,3-dihydro-1H-inden-1-ylidene)ethanoate |
| 01/13/2009 | US7476680 e.g. 1-[2-hydroxy-3-(quinolin-5-yloxy)-propyl]-piperidine-4-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amide; multidrug resistance protein or P-glycoprotein modulator; with other therapeutic agent: anticarcinogenic, antibacterial, antiviral, antifungal agents |
| 01/13/2009 | US7476522 Preparing tetrahymena culture and fermenting gamma linolenic acids using palmitic, stearic, oleic, triglycerides and llinoleic acids as precursors |
| 01/08/2009 | WO2009006317A1 Production and purification of esters of polyunsaturated fatty acids |
| 01/08/2009 | WO2009005937A1 Process for forming alpha, beta-unsaturated carbonyl halides |
| 01/08/2009 | WO2009003722A1 Method for making inorganic oxide supported catalysts |
| 01/08/2009 | US20090012318 Cage-shaped cyclobutanoic dianhydrides and process for production thereof |
| 01/08/2009 | DE102008040154A1 Kristallines, klarlösliches Lithiumbis(oxalato)borat (LiBOB) Crystalline, clear solution of lithium bis (oxalato) borate (LiBOB) |
| 01/08/2009 | CA2691809A1 Method for making inorganic oxide supported catalysts |
| 01/07/2009 | EP2011780A1 Process for producing methacrolein and/or methacrylic acid |
| 01/07/2009 | EP2010547A1 Methods for producing metal-organic framework materials containing metals of subgroup iv |
| 01/07/2009 | EP2010546A1 Metal-organic zirconium-based framework materials |
| 01/07/2009 | EP2010315A2 Organometallic aluminum fumarate backbone material |
| 01/07/2009 | CN101341251A Method for the enzymatic production of 5-norbornen-2-carboxylic acid |
| 01/07/2009 | CN101341113A Process for preparing octenoic acid derivatives |
| 01/07/2009 | CN101337939A Alkaline ionic liquid, method for preparing same and applications |
| 01/07/2009 | CN101337882A Method for purifying rupestonic acid and chrysosplenetin B by high speed reversed flow chromatography |
| 01/07/2009 | CN101337881A Method for preparing trans-ferulaic acid, p-cumaric acid and pentosan |
| 01/07/2009 | CN101337880A Process for extracting alpha-linolenic acid |
| 01/07/2009 | CN101337879A Process and equipment for preparing adipic acid by catalyzing air and oxidizing cyclohexane |
| 01/07/2009 | CN101337878A Method for directly producing adipic acid by cyclohexane catalytic oxidation |
| 01/07/2009 | CN101337877A Method for preparing higher fatty acid alkali salt |
| 01/07/2009 | CN100448836C Method for preparing key intermediate of medication for anti AIDS |
| 01/07/2009 | CN100448835C Method for production of (meth)acrylic acid |
| 01/07/2009 | CN100448834C A process for resolving, optionally substituted, mandelic acids by salt formation with a chiral base cyclic amide |
| 01/07/2009 | CN100448833C Refining device and method for propenoic acids |
| 01/07/2009 | CN100448832C Process for producing acetic acid |
| 01/07/2009 | CN100448818C Method for extracting and method for purifying effective substance |
| 01/07/2009 | CN100448539C Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid, method for producing same, and method for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 01/07/2009 | CN100448531C Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols |
| 01/07/2009 | CN100448522C Fixed bed reactor for gas-phase catalytic oxidation and processes for producing acrolein or acrylic acid |
| 01/07/2009 | CN100448501C Waste liquid separating method for tetrahydro methyl phthalic anhydride production process |
| 01/06/2009 | US7473803 Halogenating an optically active amino acid (eg 2-bromoisovaleric acid) in water, a hydrophobic organic solvent and nitrous acid which retains the configuration; improved optical and chemical purity |
| 01/06/2009 | US7473800 Method of manufacturing acetic acid |
| 01/06/2009 | US7473539 Methods for producing alkyl esters |
| 01/06/2009 | US7473409 Treat spent acid solution contaminated with inorganic and organic impurities; contaminants mixed with compound of magnesium, aluminum, iron; form oxyhydroxide flocs that complex, react, sequester, co-precipate contaminates; magnesium reacts with sulfate ions; forms high quality magnesium sulfate solution |
| 01/06/2009 | US7473338 Purifying of a monomer such as acrylic acid using a vacuum distillation apparatus comprising a distillation column and a vacuum generator having a pressure control valve that allows control of the amount of exhaust gas introduced to control the pressure of the distillation column |
| 01/06/2009 | CA2421008C Substituted heterocyclic compounds for treating multidrug resistance |
| 01/06/2009 | CA2388957C Aromatic di-keto derivatives as glucose-6-phosphate translocase inhibitors |
| 01/02/2009 | DE10319917B4 Verfahren zur selektiven Kohlenhydrat-Oxidation unter Verwendung geträgerter Gold-Katalysatoren Process for the selective carbohydrate oxidation using a supported gold catalysts |
| 01/02/2009 | DE102007028236A1 Halbleitendes Material und organische Gleichrichterdiode A semiconductive material and organic rectifier diode |
| 01/01/2009 | US20090005593 Catalyst for production of acrylic acid and process for production of acrylic acid using this catalyst |
| 01/01/2009 | US20090005591 System and process for production of benzoic acids and phthalic acids |
| 12/31/2008 | WO2009002710A1 High shear system and process for the production of acetic anhydride |
| 12/31/2008 | WO2009002709A1 High shear process for the production of acetaldehyde |
| 12/31/2008 | WO2009002065A1 Method for manufacturing biodiesel fuel from vegetable oil |
| 12/31/2008 | WO2008135482A3 Ionic liquids comprising polyethercarboxylates as anions, production and use thereof |
| 12/31/2008 | WO2008123925A3 Biodiesel process |
| 12/31/2008 | WO2008120091A3 Improved manufacturing process for aromatic carboxylic acids |
| 12/31/2008 | EP2007704A2 Use of predehydration towers in an ethane oxidation to acetic acid/ethylene process |
| 12/31/2008 | CN201172642Y Air control system in production device of acrylic acid |
| 12/31/2008 | CN101336131A Process for heterogeneously catalysed gas phase partial oxidation of at least one organic starting compound |
| 12/31/2008 | CN101333161A Method for preparing alpha-chloro-fatty acid |
| 12/31/2008 | CN101333160A Process for synthesizing new cobalt decanoate |
| 12/31/2008 | CN101333159A Method for synthesizing alpha, beta-unsaturated fatty acid from alpha-chloro-fatty acid |
| 12/31/2008 | CN100447124C Method for producing meta benzene tricarbonic acid through sequential oxidation by using intermittent multiple cascaded Bubbling oxidation towers |
| 12/31/2008 | CN100447123C Improved process of producing heat resistant nylon salt |
| 12/31/2008 | CN100447122C Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof |
| 12/31/2008 | CN100447116C Preparation of at least one partial oxidation and/or ammoxidation product of a hydrocarbon |
| 12/31/2008 | CA2682097A1 High shear system and process for the production of acetic anhydride |
| 12/30/2008 | US7470811 Integrated process for acetic acid and methanol |
| 12/30/2008 | US7470809 Process for the production of [2-(4-fluoro-benzyl)-phenyl]-acetic acid |
| 12/30/2008 | US7470370 Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
| 12/30/2008 | US7470348 Separator for producing aromatic carboxylic acids |