Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/2007
07/19/2007CA2635355A1 Oxidation system with internal secondary reactor
07/18/2007EP1808227A1 Process for producing metal oxide catalyst
07/18/2007EP1631383B1 Oxidation of aromatic hydrocarbons using brominated anthracene promoters
07/18/2007EP1164122B1 Process for producing fluorine compound through liquid-phase fluorination
07/18/2007CN2922986Y Crystallizer suitable to production of adipic acid
07/18/2007CN1326822C Process for dehydrating hydrous sodium beta-naphtholate
07/18/2007CN1326814C Process for preparing Erigeron breviscapus active component
07/18/2007CN101001854A Highly selective novel amidation method
07/18/2007CN101001827A Alkoxycarbonylation of vinyl esters
07/18/2007CN101001825A Purification of carboxylic acids by complexation with selective solvents
07/18/2007CN101001696A Metal oxide catalyst and method for the preparation thereof
07/18/2007CN100999462A Process and equipment of continuous dehydrogenating producing sodium oxalate by circulating fluidized bed
07/18/2007CN100999461A Extraction separation tech. of octagonal shickimmi oxalic acid
07/18/2007CN100999460A Decomposing process for salicylic acid and its isomer using hydrotalcite
07/18/2007CN100999459A Technology of synthesizing nano bismuth stearate by liquid phase dispersing process
07/18/2007CN100999458A Oxidation reactor for producing terephthalic acid
07/18/2007CN100999457A Method of preparing dihalogen nitrobenzoate using dihalogen methyl nitrobenzene oxidation
07/18/2007CN100999456A Preparation method of perfluoro caprylic acid
07/18/2007CN100999455A Technology of extracting citric acid using calcium sulphate circulation method
07/18/2007CN100999454A Energy saving technique in citric acid production
07/17/2007US7244863 Distillation, purification the acid or an ester products obtained from catalytic vapor phase oxidation, in presence of hydrophobic or hydrophilic high-boiling heavy ingredients to prevent polymerization
07/17/2007CA2288783C Process for preparing carboxylic acid salts and catalysts useful in such process
07/17/2007CA2285070C Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials
07/12/2007WO2007077200A2 Production of acid propionates
07/12/2007WO2007077174A1 Preparation of compounds having a perfluoroalkylcarbonyl group
07/12/2007WO2007077145A1 Process for heterogeneously catalysed gas phase partial oxidation of at least one organic starting compound
07/12/2007WO2007060163A3 Method for safely carrying out gas phase partial oxidation
07/12/2007WO2007006550A8 Oligomers of straight-chain and unbranched fatty acids, and medicaments containing the same
07/12/2007US20070161820 Simultaneous recovery and continuous extraction of substantially pure carboxylic acids and ammonium salts from acid hydrolysis reaction mixtures
07/12/2007US20070161819 preparing a slurry of phosphoric acid, MoO3, P2O5, CuO, V2O5, 0ptionally other metal compounds, heating, calcining to make oxidation catalyst, used for gas-phase catalytic oxidation of methacrolein with molecular oxygen;
07/12/2007US20070161816 Method for producing organic acid
07/12/2007US20070161812 Liquid-phase (AMM)oxidation process
07/12/2007US20070161809 Method for the production of fuel from acid fats and system for carrying out said method
07/12/2007US20070161767 Process for producing metal oxide catalyst
07/12/2007US20070161098 Method for producing lactic acid
07/12/2007CA2632974A1 Production of acid propionates
07/11/2007EP1806331A2 Liquid-phase (Amm)oxidation process
07/11/2007EP1805127A1 Process for removal of impurities from an oxidizer purge stream
07/11/2007EP1805126A1 Method for producing pyruvic acid
07/11/2007EP1804771A2 Compositions for controlled delivery of pharmaceutically active compounds
07/11/2007EP1153007B1 Iridium catalyst for carbonylation of lower aliphatic alcohols
07/11/2007CN1995005A Distannous citrate preparation method
07/11/2007CN1995003A Chemical synthesis method for undecanoyl chloride and lauroyl chloride
07/11/2007CN1995002A Use of rare earth compound in acyl chloride reaction
07/11/2007CN1995001A Method for separating and extracting acetic acid and propanoic acid from waste acetic acid produced from methanol low pressure carbonyl method
07/11/2007CN1995000A Method for preparing shikimic acid from aniseed
07/11/2007CN1994999A 95% high concentration formic acid production method
07/11/2007CN1994352A Use of total glucosides extract of cocklebur fruit in preparation of product for resisting inflammatory reaction
07/11/2007CN1325462C Novel substituted arylhexadienoic acids and esters thereof which can be used for the treatment and prevention of diabetes, dyslipidaemia and atherosclerosis, pharmaceutical compositions comprising the
07/11/2007CN1325461C Skeletal isomerization of fatty acids
07/11/2007CN1325460C Method for producing carboxylic acid
07/11/2007CN1325459C Recovery method of tail gas light component in carbonylation production of acetic acid lanhydride
07/10/2007US7241919 prevented from polymerizing or freezing in acceptance piping and thus clogging the pipe line; temperature of a purified (meth) acrylic acid compound obtaind which is being supplied to a storage tank is regulated so as to be not higher than the temperature of the purified (meth) acrylic acid in tank
07/10/2007US7241918 Separation of citric acid from gluconic acid in fermentation broth using a weakly or strongly basic anionic exchange resin adsorbent
07/10/2007US7241910 Processes for producing conjugated linoleic acid
07/10/2007US7241365 Material for a facility for the production of anhydrous formic acid
07/10/2007CA2237027C Hydrogenation catalysts comprising palladium deposited on activated carbon
07/05/2007WO2007076384A2 Ethanolysis of pet to form det and oxidation thereof
07/05/2007WO2007074827A1 Method for extracting methacrylic acid
07/05/2007WO2007074804A1 Method for producing palladium-containing catalyst
07/05/2007WO2007074164A1 Production of sodium diformate
07/05/2007WO2007074044A1 Method for the heterogeneously catalysed partial gas phase oxidation of propylene to form acrylic acid
07/05/2007WO2007073846A1 Method for preparing enantiomerically enriched 2-alkyl-5-halopent-4-enecarboxylic acids and -carboxylic esters
07/05/2007WO2007073658A1 Process for separation of crude terephthalic acid
07/05/2007US20070155988 Process for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound
07/05/2007US20070155987 Oxidative digestion with optimized agitation
07/05/2007US20070155986 Oxidation system employing internal structure for enhanced hydrodynamics
07/05/2007US20070155985 Oxidation system with internal secondary reactor
07/05/2007US20070155970 Process for the manufacture of hmg-coa reductase inhibitory mevalonic acid derivatives
07/05/2007US20070155657 Hypoglycemic agent
07/05/2007US20070155656 Hypoglycemic agent
07/05/2007US20070155655 Zinc (vitamin C)2 complex; low toxicity; insulin mimetics; stability; fat soluble; diabetes
07/05/2007DE102005063109A1 Propionic acid-containing composition in solid and pure form, useful e.g. as silage auxiliary agent, preservative, acidifier, dietary supplement or fodder, comprises a metal compound
07/05/2007DE102005062931A1 Herstellung von Natriumdiformiat Production of sodium diformate
07/05/2007DE102005061472A1 Verfahren zur Herstellung von enantiomerenangereicherten 2-Alkoxy-3-phenylpropionsäuren A method for preparing enantiomerically enriched 2-alkoxy-3-phenylpropionic acids
07/05/2007CA2820149A1 Ethanolysis of pet to form det and oxidation thereof
07/05/2007CA2632846A1 Production of sodium diformate
07/05/2007CA2626033A1 Ethanolysis of pet to form det and oxidation thereof
07/04/2007EP1803702A1 Pressureless addition of acylfluorides to perfluoroalkenes
07/04/2007EP1802763A2 Synthesis of fatty alcohol esters of alpha-hydroxy carboxylic acids and their use as percutaneous absorption enhancers
07/04/2007EP1802639A1 Organometallic nanopowder
07/04/2007EP1802565A2 Process for preparing hydroxy functional vegetable oils
07/04/2007EP1802564A1 Use of phosphoric esters as deposit control agents during the synthesis, purification or regeneration of (meth)acrylic monomers
07/04/2007EP1802562A2 Optimized liquid-phase oxidation of paraxylene
07/04/2007EP0970937B1 Polymer gel and process for the activation of active hydrogen compounds
07/04/2007CN1990450A Process for the preparation of prostaglandin F type derivative and novel style intermediates
07/04/2007CN1990449A Process for isolating crude terephthalic acid(CTA)
07/04/2007CN1324000C Di-potassium (natrium) sebacate and producing technique
07/04/2007CN1323999C Process for producing high-purity terephthalic acid
07/04/2007CN1323998C Method for producing acrylic acid by heterogeneously catalysed gas-phase oxidation of propane
07/03/2007US7238838 Process for direct conversion of methane into acetic acid
07/03/2007US7238837 Contacting an aqueous solution with a protonated cation exchanger to form an aqueous solution of lactic acid and a cation exchanger; regenerating the cation exchanger with a regenerant consisting of an acid or an acidic salt solution; recovering lactic acid from the aqueous solution
07/03/2007US7238836 Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system
07/03/2007US7238835 Process for the preparation of substituted 2-(phenoxymethyl) benzoic acids
07/03/2007US7238833 Production of aromatic carboxylic acids
07/03/2007US7238827 Preparation of at least one partial oxidation and/or ammoxidation product of propylene
07/03/2007US7238822 Ruthenium compound and process for producing a metal ruthenium film
06/2007
06/28/2007WO2007071902A1 Carbonylation process
06/28/2007WO2007071749A1 Conversion of a precatalyst to a catalytically active silver-vanadium oxide bronze
06/28/2007WO2007051750A3 Method for carrying out in a stable manner a process for continuously producing acrolein or acrylic acid or the mixture thereof from propane