Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/2010
07/14/2010CN101234959B Method for reclaiming acetic acid from waste water containing dilute acetic acid
07/14/2010CN101092350B Oxidizing reactor in bubbling tower of internal circulation for producing aromatic acid
07/13/2010US7754927 chlorinating 3,3,3-trifluoropropionaldehyde with a radical initiator; also producing 3,3,3-trifluoropropionic acid by hydrolysis; useful as an intermediate of medicines and agricultural chemicals and a fluoropolymer
07/13/2010US7754914 Mixing adsorbent particles having adsorbed fluorinated acid surfactant (distilling) with an alcohol or acid causing esterification, heating then distilling
07/08/2010WO2010078328A2 Bio-based terephthalate polyesters
07/08/2010WO2010077685A1 Single step transesterification of feedstock using a gaseous catalyst
07/08/2010WO2010077343A1 Integrated process for the production of vinyl acetate from acetic acid via ethyl acetate
07/08/2010WO2010077261A1 Preparation of acetic acid
07/08/2010WO2010055285A8 Hydrogenation of ethanoic acid to produce ethanol
07/08/2010WO2010053571A3 Methanol carbonylation with aldehyde removal
07/08/2010US20100174112 Process for producing acrylic acid
07/08/2010US20100174111 Process for purification of aryl carboxylic acids
07/08/2010CA2748554A1 Integrated process for the production of vinyl acetate from acetic acid via ethyl acetate
07/07/2010EP2204234A1 Catalyst for producing methacrylic acid and method for preparation thereof
07/07/2010EP2102142B1 Improved method for the production of unsaturated carboxylic acid anhydrides
07/07/2010EP1577001B1 Plate type catalytic reactor
07/07/2010CN201520730U Reaction equipment for continuous acidolysis during production of lactic acid
07/07/2010CN101768075A 15-carbonyl steviol derivative and salt as well as preparation method and application
07/07/2010CN101768074A Novel method for synthesizing 4-carboxymethyl hexahyl carbonic acid
07/07/2010CN101768073A Method for preparing ferulic acid from Chinese angelica
07/07/2010CN101768072A Application of cellulose chiral membrane in splitting mandelic acid racemic modification
07/07/2010CN101768071A Preparation method of sodium gluconate
07/07/2010CN101768070A Method for synthesizing crylic acid by catalyzing acetylene carbonyl through palladium
07/07/2010CN101768069A Method for making carboxylic acid anhydride
07/07/2010CN101768034A Optimized liquid-phase oxidation
07/07/2010CN101767016A Aromatic aldehyde selective hydrogenation catalyst for refining terephthalic acid
07/07/2010CN101767004A Preparation method of crude terephthalic acid hydrogenation catalyst
07/07/2010CN101766979A Optimized liquid-phase oxidation
07/07/2010CN101024609B Process for producing shikimic acid
07/06/2010US7750182 iodine reacted with aromatic hydrocarbon substrate in presence porous H-beta type zeolite, oxidizing agent, in liquid phase reaction
07/06/2010US7749464 Plate type catalytic reactor
07/06/2010CA2405574C Alkene oligomerization process
07/01/2010WO2010074177A1 Method for producing acrylic acid
07/01/2010WO2010072723A2 Catalyst and method for producing maleic anhydride
07/01/2010WO2010072721A2 Catalyst molded bodies and method for producing maleic acid anhydride
07/01/2010WO2010072474A1 Solid calcium lactate in substantially spherical form
07/01/2010WO2010072473A1 Method for purifying lactic acid by crystallization
07/01/2010WO2010015314A3 Method for the production of aryl polyglycol carboxylic acids by means of a direct oxidation process
07/01/2010WO2009042853A3 Fluorinated oxy-carboxylic acids, derivatives, and methods of preparation
07/01/2010US20100168472 Process for production of acrolein from glycerol
07/01/2010US20100168471 Method for preparing acrylic acid from glycerol
07/01/2010US20100168459 Synthesis of phenolic esters of hydroxymethyl phenols
07/01/2010US20100168454 Catalytic hydrogenation
07/01/2010US20100168448 Methods of Preparing Cannabinoids From Plant Material
07/01/2010US20100168434 Inhibition of polymerisation
07/01/2010DE10242746B4 Waschvorrichtung, ein Verfahren zur Aufreinigung eines Waschguts sowie die Verwendung der Waschvorrichtung Washing apparatus, a method for purification of a material to be washed and the use of the washing device
06/2010
06/30/2010CN201517076U Single-stage circulation or multistage tandem type calcium formate production device
06/30/2010CN201517075U Continuous dehydrogenating tower for sodium formate
06/30/2010CN201517074U Tubular reactor for synthesizing sodium formate
06/30/2010CN101759849A Zinc hydroxy acid complex catalyst for copolymerization of carbon dioxide and propylene oxide and preparation method
06/30/2010CN101759560A Manufacturing method and use of trans-3-substituted phenyl acrylic acid derivative
06/30/2010CN101759558A Method for synthesizing trimesic acid
06/30/2010CN101759557A Preparation method of shikimic acid
06/30/2010CN101759556A Synthesis method of ketoprofen
06/30/2010CN101759555A Method for extracting and purifying salvianic acid A from fresh salvia miltiorrhiza
06/30/2010CN101759554A Method for treating and utilizing potassium hydrogen tartrate mother liquor
06/30/2010CN101759553A Method for preparing alpha-calcium picrolonate
06/30/2010CN101759552A Method for preparing propionyl bromine
06/30/2010CN101759551A Method for preparation of dodecafluoroheptanoic acid
06/30/2010CN101759550A Method for preparing potassium diformate
06/30/2010CN101759535A Process for production of acrolein from glycerol
06/30/2010CN101757956A Method for recovering rhodium catalyst from catalyst-tar solution
06/30/2010CN101446735B Nonlinear optical material of strontium-ammonium boron tartrate tetrahydrate and preparation method and application thereof
06/30/2010CN101182079B Citric acid mother liquor treatment process
06/29/2010US7745652 Integrated chemical processes for industrial utilization of seed oils
06/29/2010US7745433 2-Substituted phenyl-5, 7-dihydrocarbyl-3, 7-dihydropyrrolo [2, 3-D] pyrimidin-4-one derivatives, the preparation and the pharmaceutical use thereof
06/29/2010US7744831 Multitubular chemical reactors and heat exchangers having turbulence-free, uniform fluid flow and suppression of hot spots; different flow rates according to axial positions even in one pass determined by a baffle structure; energy efficient; acrylic acid, acrolein frompropylene, propane
06/29/2010CA2421242C Production of potassium formate
06/29/2010CA2399501C A process for the preparation of salts of l-carnitine and alkanoyl l-carnitine with mucic acid
06/24/2010WO2010071730A1 Method of making fluorinated alkoxy carboxylic acids and precursors thereof
06/24/2010WO2010071167A1 Alkyl benzene tetracarboxylic dianhydride, manufacturing method thereof, polyimide, and application thereof
06/24/2010WO2010071016A1 Method for manufacturing acetic acid and ammonia
06/24/2010WO2010069000A1 Organometallic catalyst and preparation thereof
06/24/2010US20100160679 Integrated process for the preparation of polybenzimidazole precursors
06/24/2010US20100160670 Novel process for the preparation of chiral compounds derived from hexanoic acid esters and intermediates used in the synthesis of chiral-2-(bromomethyl)-2-ethylhexanoic acid
06/24/2010US20100160660 Bis(ferrocenylphosphino) ferrocene ligands used in assymetric hydrogenation reactions
06/24/2010US20100159540 Synthesis of resolvins and intermediates, compounds prepared thereby, and uses thereof
06/24/2010US20100159177 Triglyceride plasticizer and process of making
06/24/2010US20100158804 Method for the use of [11c] carbon monoxide in labeling synthesis of 11c-labelled esters and acids by sensitized photo-induced free radical carbonylation
06/23/2010EP2199271A1 Process for production of phenol derivatives substituted with iodine at ortho position
06/23/2010EP2198963A1 Bound mordenite zeolite carbonylation catalyst
06/23/2010EP2198956A1 Process for regenerating a mixed metal oxide catalyst in presence of steam and air
06/23/2010EP2198036A1 Method for the synthesis of omega-unsaturated fatty acids
06/23/2010EP2197273A1 Process for preparing r-gossypol l-phenylalaninol dienamine
06/23/2010EP2099737B1 Process for the synthesis of 2,5-dihydroxyterephthalic acid
06/23/2010EP1477468B1 Novel process for producing 1,2-diol
06/23/2010CN1868994B Preparation method of sodium danshensu
06/23/2010CN1823031B Catalyst and process for the production of acetic acid
06/23/2010CN101754946A Hydroxy acid amine salt, method for producing the same, and rubber composition containing the same
06/23/2010CN101754944A Process for producing acrylic acid by two-stage catalytic vapor-phase oxidation
06/23/2010CN101754942A Process for obtaining a purified hydrofluoroalkane
06/23/2010CN101748163A Method of producing propionic acid and propionate by microorganism fermentation
06/23/2010CN101748161A Succinic acid purification process through anaerobic fermentation
06/23/2010CN101747181A Synthetic method of effective component-royaljelly acid of royal jelly
06/23/2010CN101747180A Method for extracting citric acid with ion exchange resin
06/23/2010CN101747179A Method for preparing citric acid malic acid calcium
06/23/2010CN101747178A Method for extracting omega-3 polyunsaturated fatty acids from whelk
06/23/2010CN101747177A Device and method for preparing butane diacid by continuously hydrolyzing dialkyl succinate ester
06/23/2010CN101747176A Method for preparation of trifluoro acetyl chloride with trifluoroethane chlorinated mixture
06/23/2010CN101747175A Medicinal-grade magnesium stearate and refining process thereof