Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2011
11/16/2011CN102241581A Method for preparing manganese acetate from electrolytic manganese metal leaching residue
11/16/2011CN102241580A Method for recovering organic carboxylic acids from corn chemical alcohol reaction kettle residues by utilizing complex extraction
11/16/2011CN102241563A Method for synthesizing hydrocarbon from carbon dioxide and water by simulating photosynthesis of green plants
11/16/2011CN102240529A Synthesizing device and method for synthesizing formate by utilizing same
11/16/2011CN101723430B Method for comprehensive utilization of waste water generated in purifying process of citric acid
11/16/2011CN101434533B Novel preparation of sofalcone
11/16/2011CN101412669B Method for producing lactic acid by hydrothermal degradation of biomass wastes
11/16/2011CN101309889B Process for preparing acrolein or acrylic acid or a mixture thereof from propane
11/15/2011US8058473 Method for producing alpha, beta-unsaturated calboxylic acid
11/15/2011US8058472 Method for the conversion, under mild conditions and in aqueous medium, of gaseous and liquid alkanes into carboxylic acids
11/15/2011US8058458 Processes for the preparation and purification of hydroxymethylfuraldehyde derivatives
11/10/2011WO2011139361A1 Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate
11/10/2011WO2011139360A1 Process for the continuous transvinylation of carboxylic acids with vinyl acetate
11/10/2011WO2011110257A3 Process and device for distilling polymerization-prone compounds
11/10/2011WO2011084789A3 Integrated processes for the preparation of polybenzimidazole precursors
11/10/2011WO2010127970A3 Method for the production by fermentation of (3 -hydroxy) propionaldehyde in the presence of semicarbazide or carbohydrazide
11/10/2011US20110275856 Eggshell catalyst consisting of a hollow cylindrical support body and a catalytically active oxide material applied to the outer surface of the support body
11/10/2011US20110275853 Process for the continuous transvinylation of carboxylic acids with vinyl acetate
11/10/2011US20110275852 Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate
11/10/2011CA2816685A1 Process for the continuous transvinylation of carboxylic acids with vinyl acetate
11/10/2011CA2816640A1 Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate
11/09/2011EP2384350A1 Methods for making organozinc salts and compositions containing the same
11/09/2011CN202028373U Flaker roller structure
11/09/2011CN202028372U flaker
11/09/2011CN202028221U Wiped film type calcium lactate evaporator
11/09/2011CN102239000A Systems and methods for managing reactor transients
11/09/2011CN102234234A Method for synthesizing (1R,2R)-(-)-N,N-dimethyl-1,2-cyclohexanediamine oxalate
11/09/2011CN102234229A Preparation method of 3-aryl lactic acid derivatives
11/09/2011CN102234226A Method for recovering and purifying terephthalic acid in alkali-minimization waste liquor
11/09/2011CN102234225A Production method for citric acid monohydrate crystal
11/09/2011CN101716527B High-stability catalyst for producing acetic acid by carbonylation method and application method thereof
11/09/2011CN101508871B Method of preparing pimaric type acid
11/09/2011CN101492362B Production process for large-particle sodium acetate
11/09/2011CN101412670B Method for synthesizing loxoprofen sodium
11/09/2011CN101360561B Conversion of a precatalyst to a catalytically active silver-vanadium oxide bronze
11/08/2011US8053602 Production of propionic acid
11/08/2011US8053600 Process for the preparation of carboxylic acids and/or derivatives thereof
11/08/2011US8053599 Drug containing (2R)-2-propyloctanoic acid as the active ingredient
11/08/2011US8053597 Enriched terephthalic acid composition
11/08/2011US8052848 Ultrasonic and microwave methods for enhancing the rate of a chemical reaction and apparatus for such methods
11/08/2011CA2614757C Process for the preparation of sulfonamide derivatives
11/08/2011CA2460782C Method of preparing phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof via a dicarboxylate intermediate
11/03/2011WO2011137328A1 Preparation of acetic acid and acetic anhydride
11/03/2011WO2011136945A1 Processes for producing hooc-r-cooh compound acids from fermentation broths containing nh4+ -ooc-r-coq-nh4+ compounds
11/03/2011WO2011136944A1 Processes for producing nh4 + -ooc-r-cooh compounds from fermentation broths containing nh4 + -ooc-r-coo-nh4 +compounds and/or hooc-r-cooh compound acids, and conversion of nh4 + -ooc-r-cooh compounds to hooc-r-cooh compound acids
11/03/2011WO2011136942A1 Processes for producing adipic acid from fermentation broths containing diammonium adipate
11/03/2011WO2011136941A1 Processes for producing monoammonium adipate from fermentation broths containing diammonium adipate, monoammonium adipate and/or adipic acid, and conversion of monoammonium adipate to adipic acid
11/03/2011WO2011136903A1 Process for preparing saturated branched chain fatty acids
11/03/2011WO2011134932A1 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
11/03/2011WO2011117881A3 Substituted cyclohexane-1, 3-dione compounds, process for preparation thereof and its applications
11/03/2011WO2011082378A3 Purification of succinic acid from the fermentation broth containing ammonium succinate
11/03/2011US20110269993 Processes for producing adipic acid from fermentation broths containing diammonium adipate
11/03/2011US20110269992 Preparation of acetic acid and acetic anhydride
11/03/2011US20110269991 Pure carboxylic acid filtration
11/03/2011US20110269988 Process for removing acetone from a stream comprising acetone, methyl acetate and methyl iodide
11/03/2011US20110269985 Isotopically labeled compositions and method
11/03/2011US20110269979 Preparation of Esters and Polyols by Initial Oxidative Cleavage of Fatty Acids Followed by Esterification Reactions
11/03/2011US20110266220 Separations with highly selective fluoropolymer membranes
11/03/2011DE102010028328A1 New shell catalyst comprising hollow cylindrical carrier body and shell made of catalytically active oxide mass applied to outer surface of body, useful for heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid
11/02/2011EP2383251A2 Co-precipitated salts of fatty acids
11/02/2011EP2383250A1 Processes for producing monoammonium adipate from fermentation broths containing diammonium adipate, monoammonium adipate and/or adipic acid, and conversion of monoammonium adipate to adipic acid
11/02/2011EP2383249A1 Processes for producing adipic acid from fermentation broths containing diammonium adipate
11/02/2011EP2382179A1 Integrated process for the production of vinyl acetate from acetic acid via ethyl acetate
11/02/2011EP2262755B1 Process of preparation of glyoxylic acid aqueous solution
11/02/2011EP1981834B1 Acrolein preparation method
11/02/2011EP1694625B1 A process for producing an unsaturated carboxylic acid from an alkane
11/02/2011EP1487771B1 Fluorination of dicarbonyl compounds
11/02/2011EP1286943B1 Method for discontinuous purification of crude acrylic acid by means of crystallization
11/02/2011CN102229806A Green circular economy technology with coal coking as the main part
11/02/2011CN102229579A Preparation method of novel Br phi nsted acid ionic liquid with 1, 3-thiazole-2-thioketone cation
11/02/2011CN102229540A Method for producing lysine acetate for injection
11/02/2011CN102229537A Method for synthesizing citric acid diphenhydramine
11/02/2011CN102229528A Method for extracting unsaturated fatty acid composition from humen amniotic epithelial cells, and application thereof
11/02/2011CN102229527A Technological method
11/02/2011CN101658800B Catalyst system for use in preparation of acetic acid and acetic anhydride or synchronous preparation of acetic acid and acetic anhydride and preparation method thereof
11/02/2011CN101462940B Technological process for preparing acetic acid from calcium carbide furnace tail gas
11/01/2011US8048655 Recovery of organic acids
10/2011
10/30/2011CA2738166A1 Processes for producing monoammonium adipate from fermentation broths containing diammonium adipate, monoammonium adipate and/or adipic acid, and conversion of monoammonium adipate to adipic acid
10/30/2011CA2738164A1 Processes for producing adipic acid from fermentation broths containing diammonium adipate
10/27/2011WO2011131619A1 Method of synthesizing a 5-oxo-conjugated fatty acid
10/27/2011US20110263895 Recovery of acetic acid from wood extracts
10/27/2011US20110263884 Process for Preparing Saturated Branched Chain Fatty Acids
10/26/2011EP2379485A1 Method for manufacturing biomass-derived methyl methacrylate
10/26/2011EP2379223A2 Catalyst molded bodies and method for producing maleic acid anhydride
10/26/2011EP2379222A2 Catalyst and method for producing maleic anhydride
10/26/2011CN202016962U Reagent grade anhydrous sodium acetate production device
10/26/2011CN102227399A Method for purifying lactic acid by crystallization
10/26/2011CN102227398A Method for production of adipic acid
10/26/2011CN102227243A Adipic acid crystallization equipment
10/26/2011CN102225895A Preparation method of terephthaloyl chloride
10/26/2011CN102225894A Preparation method of soluble calcium citrate trihydrate
10/26/2011CN102225893A Method for removing odor and taste of potassium lactate solution
10/26/2011CN102225892A Preparation method of low-sodium potassium lactate
10/26/2011CN102225891A Method for removing impurities from potassium lactate solution
10/26/2011CN102225890A Method for preparing battery-level ferrous oxalate for production of lithium iron phosphate material
10/26/2011CN102225326A Apparatus and method for formic acid production
10/26/2011CN102225313A Preparation method of mordenite membranes used for acetic acid dehydrating
10/26/2011CN101736042B Method for producing L-lactic acid
10/26/2011CN101698146B Microscale reactor for synthesizing radioactive drug and application thereof
10/26/2011CN101445448B A energy optimize utilizing process of acroleic acid device reaction unit
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