| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/02/2005 | CN1187306C Process and equipment for preparing sodium diacetate |
| 02/02/2005 | CN1187305C Removal or reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream |
| 02/01/2005 | US6849764 By absorption and reaction of gases formaldehyde with aqueous potassium hydroxide |
| 02/01/2005 | US6849762 Process for preparing a trifluoroethoxy-substituted benzoic acid |
| 02/01/2005 | US6849758 Treatment of mixtures that contain at least one compound with at least one ethylenically unsaturated group |
| 02/01/2005 | US6849751 Alkyl-capped alkoxylated esters and compositions comprising same |
| 02/01/2005 | US6849742 Binaphthol derivative and process for producing the same |
| 02/01/2005 | US6849574 Silver- and vanadium-containing multimetal oxide and its use |
| 01/27/2005 | WO2005007610A1 Thermal separating method for separating at least one mass flux containing enriched (meth)acrylic monomers |
| 01/27/2005 | WO2005007609A1 Thermal separation method for separating at least one (meth)acrylmonomer-enriched material flow |
| 01/27/2005 | WO2005007607A2 Highly over-based light colored liquid alkaline earth metal carboxylate |
| 01/27/2005 | WO2005007606A2 A process for energy recovery in processes for the preparation of aromatic carboxylic acids |
| 01/27/2005 | WO2004099425A3 Pyruvate producing yeast strain |
| 01/27/2005 | US20050020856 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 01/27/2005 | US20050020855 Process for producing a fluorine-containing compound by liquid phase fluorination |
| 01/27/2005 | US20050020854 For use as cleaning and foaming agents and as emulsifiers |
| 01/27/2005 | US20050020853 Process for production of high-purity cyrstals of glycolic acid |
| 01/27/2005 | US20050020852 Process for producing (meth)acrylic acid compound |
| 01/27/2005 | US20050020851 Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds in a reactor having thermoplate modules |
| 01/27/2005 | US20050020850 Reacting alcohol compound with an alkali metal hydroxide, alkaline earth metal hydroxide or a mixture thereof in water in the presence of a copper catalyst |
| 01/27/2005 | US20050020849 via non-racemic cinchona-alkaloid-type catalyst (quinidine) for addition of nucleophile |
| 01/27/2005 | US20050020847 Contacting in an oxidation reaction zone a C2 to C4 alkane, such as ethane, a molecular oxygen-containing gas, optionally the corresponding alkene and optionally water, in the presence of a catalyst to produce a stream comprising alkene, carboxylic acid and water; separating, contacting with catalyst |
| 01/27/2005 | US20050020684 Modulators of peroxisome proliferator activated receptors |
| 01/27/2005 | US20050020439 Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same |
| 01/27/2005 | DE10255648B4 Verfahren und Vorrichtung zur hydrolytischen Gewinnung einer Carbonsäure und Alkohol aus dem entsprechenden Carbonsäureester Method and apparatus for the hydrolytic recovery of a carboxylic acid and alcohol from the corresponding carboxylic acid ester |
| 01/26/2005 | EP1500641A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same |
| 01/26/2005 | EP1500432A1 Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol |
| 01/26/2005 | CN1571810A Method for recycling pet bottle |
| 01/26/2005 | CN1571766A Novel compounds, their preparation and use |
| 01/26/2005 | CN1571700A Ethane oxidation catalyst and process utilising the catalyst |
| 01/26/2005 | CN1569803A Process for preparing aryl beta-diketo acid |
| 01/26/2005 | CN1569802A Production method with reclaimed waste nylon as material |
| 01/26/2005 | CN1569801A Ionic liquid bis-ammonium acetate and catalytic synthesis process therefor |
| 01/26/2005 | CN1569800A Method and device for producing oxalic acid and sodium nitrite |
| 01/26/2005 | CN1569799A Process for preparing high-purity 3-chloropropionic acid |
| 01/26/2005 | CN1569798A Method for preparation of propionic acid |
| 01/26/2005 | CN1569797A Octadecandioic acid diacetic anhydride and its synthesis process |
| 01/26/2005 | CN1569796A Clean production process of soap |
| 01/26/2005 | CN1569795A Oxidation reactor, method for producing (meth)acrylic acid or the like |
| 01/26/2005 | CN1569794A Method for preparing aromatic hydroxyl carboxylic acid |
| 01/26/2005 | CN1569315A Method for recovering organic acid from organic solvent |
| 01/26/2005 | CN1186308C Preparation method for ammonium citrate |
| 01/26/2005 | CN1186307C Method for preparing high-content alpha-linolenic acid |
| 01/26/2005 | CN1186306C Method for producing potassium formate |
| 01/26/2005 | CN1186305C Preparation method for active chromium of organic acid |
| 01/25/2005 | US6846951 Integrated process for acetic acid and methanol |
| 01/25/2005 | US6846942 Method for preparing pure EPA and pure DHA |
| 01/25/2005 | US6846936 Intermediate for 2-butyl-3-(4-(3-(dibutylamino)propoxy)benzoyl)-5-nitrobenzofur an, used in preparation of dronedarone |
| 01/25/2005 | CA2123079C Enzymatic preparation of n-(phosphonomethyl) glycine |
| 01/25/2005 | CA2098485C Process for preparing 2,6-naphthalenedicarboxylic acid |
| 01/20/2005 | WO2005005649A1 Method for producing organic acid |
| 01/20/2005 | WO2005005369A1 Preparation of 1,3-diphenylprop-2-en-1-one derivatives |
| 01/20/2005 | WO2005005367A1 Chemically synthesized and highly unsaturated fatty acid of conjugated type |
| 01/20/2005 | WO2005005365A1 Method for the production of metal carboxylates and the metal aminoate or metal hydroxy analogue methionate derivatives thereof, and use of same as growth promoters in animal feed |
| 01/20/2005 | WO2005005364A2 Method for the production of metal salts of short-chained, unsaturated, carboxylic acids and use thereof |
| 01/20/2005 | WO2005005363A1 Method for producing triiodotrimesic acid |
| 01/20/2005 | WO2005005362A1 Method for producing triiodine trimesine acid |
| 01/20/2005 | WO2005005037A1 Fixed bed multitube reactor |
| 01/20/2005 | US20050014974 Reacting acetic anhydride with isobutyric acid; distillation to remove acetic acid |
| 01/20/2005 | US20050014973 Heating raw materials in inert gas; isomerization; precipitation in melt; volatilization of impurities |
| 01/20/2005 | US20050014972 Novel intermediate for sweetener with high sweetness and process for producing the same |
| 01/20/2005 | US20050014966 Reacting 5-bromo-(3-hydroxymethyl)benzoic acid with manganese dioxide, to form 5-bromo-3-formylbenzoic acid, then with 3-cyanophenylboronic acid, to form carbocyclic carboxy nitriles used as chemical intermediates for anticoagulants |
| 01/20/2005 | US20050014836 Crystalline form of nateglinide |
| 01/19/2005 | EP1498405A1 Liquid vegetable unsaturated alcohol and process for producing the same |
| 01/19/2005 | EP1497283A1 Maleic acid salt of(2s)-n-(5(amino(imino)methyl)-2-thienyl)methyl-1-(2r)-2-((2r)-2-((carboxymethyl)amino)3,3-diphenylpropanoyl)-2-pyrrolidine carboxamide and a process for |
| 01/19/2005 | EP1497271A1 Indane acetic acid derivatives and their use as pharmaceutical agents |
| 01/19/2005 | EP1497252A1 Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
| 01/19/2005 | EP1497248A1 Method for producing ethers, esters or acid anhydrides |
| 01/19/2005 | EP1212278B1 A process for separation of crude naphthalene dicarboxylic acid using reverse osmosis |
| 01/19/2005 | CN1568327A Method for producing, via organometallic compounds, organic intermediate products |
| 01/19/2005 | CN1568326A Method for producing, via organometallic compounds, organic intermediate products |
| 01/19/2005 | CN1568299A Method for the isolation of salts of organic acids from a fermentation broth and for releasing the organic acid |
| 01/19/2005 | CN1566921A Method for analyzing easily polymerizable compound |
| 01/19/2005 | CN1566141A Process for production of aspartame derivative, crystal thereof, novel production intermediate therefor, and process for production of intermediate thereof |
| 01/19/2005 | CN1566081A Methods for producing unsaturated nitriles |
| 01/19/2005 | CN1566064A Process for preparing azelaic acid by oleic acid phase transfer catalytic oxidation |
| 01/19/2005 | CN1566063A Production process for chloroacetic acid |
| 01/19/2005 | CN1566062A Simple production process of feed additive calcium soap |
| 01/19/2005 | CN1565942A Storage tank for easily polymerizable compound and method of storage |
| 01/19/2005 | CN1565726A Method for preparing palladium/carbon catalyzer by hydrogenising and refining crude terephthalic acid |
| 01/19/2005 | CN1565725A Method for preparing hydrogenising selectively palladium/carbon catalyzer |
| 01/19/2005 | CN1185203C Method for preparing vinyl ester using butene low polymers |
| 01/19/2005 | CN1185201C Method for purifying acrylic acid obtained by oxidation of propylene and/or acrolein |
| 01/19/2005 | CN1185200C Purification of a crude acrylic acid melt |
| 01/19/2005 | CN1185199C Process for prepn. of bromoisophthalic acid compounds |
| 01/19/2005 | CN1185198C Rhodium inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile |
| 01/19/2005 | CN1185194C Method for production of acrolein and acrylic acid |
| 01/18/2005 | US6844468 Process for preparing substituted benzoyl chlorides |
| 01/18/2005 | US6844467 Saponification of corresponding nitrile or ester compound; chemical intermediates |
| 01/18/2005 | US6844463 Method for the carbonylation of pentenoic acid and its derivatives thereof |
| 01/18/2005 | US6844447 Chemical intermediates can be used as solvents (e.g., coalescing solvents, cleaning solvents), process additives, plasticizers, surface active agents, in the formulation of products (e.g., industrial products, consumer products), |
| 01/18/2005 | US6844386 Reacting a metal base with fatty acids in the presence of liquid hydrocarbon and aliphatic alcohols and carbonating with carbon dioxide; controlling by continuous or incremental addition of the metal base; phenol-free; filterable |
| 01/18/2005 | US6843978 Microporous materials (TIQ-6 and METIQ-6) of high surface area active in oxidation reactions |
| 01/13/2005 | WO2005003217A1 Method and plant for the recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes |
| 01/13/2005 | WO2005003075A1 Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer |
| 01/13/2005 | WO2005003074A1 Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
| 01/13/2005 | WO2005003073A1 Process for producing 5-iodo-2-methylbenzoic acid |
| 01/13/2005 | WO2005003072A1 Process and catalyst for the preparation of aldonic acids |
| 01/13/2005 | WO2005003063A2 Process for removal of acrolein from acrylonitrile product streams |
| 01/13/2005 | WO2004089856A3 Method for the heterogeneously catalyzed partial direct oxidation of propane and/or isobutane into acrylic acid and/or methacrylic acid |