Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
---|
03/17/1987 | US4650879 High purity and yield, nonpolluting |
03/17/1987 | US4650807 Antihistaminic compositions and methods containing pyridine derivatives |
03/17/1987 | US4650749 Heat-developable light-sensitive material |
03/17/1987 | US4650652 Dissolving, precipitation of oxalates, baking |
03/17/1987 | US4650649 Catalyst recovery process |
03/17/1987 | US4650615 Purification of carboxylic acid anhydrides contaminated with halogen or halides |
03/17/1987 | CA1219257A1 1,8-dihydroxy-9-anthrone adducts and their use in human or animal medecine and for cosmetics |
03/12/1987 | WO1987000521A3 New carboxylic acid derivatives, their manufacturing process, use and medicines containing these compounds |
03/11/1987 | EP0213976A1 Process for preparing carboxylic-acid chlorides by phosgenation of carboxylic acids, and catalysts for this process |
03/11/1987 | EP0213340A1 Process for the preparation of aromatic carboxylic acids |
03/11/1987 | EP0213313A2 Precursors and synthesis of methyl-9-oxo-11 alpha, 16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates |
03/11/1987 | CN86107188A Dehydration for maleic acid |
03/10/1987 | US4649217 Oxidation, cyclohexanones, water, iron or iridium compound |
03/10/1987 | US4649216 Carbonylation process for the production of aromatic acids |
03/10/1987 | US4649213 Dialkoxyalcohol, rearrangements, base or amide, halo-sulfur compound |
03/10/1987 | US4649207 Rigid polymers |
03/10/1987 | US4649205 Vanadium, phosphorus, oxygen, promoters, oxidation, butane |
03/10/1987 | US4649139 1,2,4-triazines |
03/10/1987 | CA1218999A1 Process for the preparation of carboxylic acids and/or esters |
03/10/1987 | CA1218998A1 Process for the preparation of ethylidene diacetate and/or acetic acid anhydride |
03/05/1987 | DE3530798A1 6-Phenoxymethyl-4-hydroxytetrahydropyran-2-ones, processes for their preparation, their use as medicaments, pharmaceutical preparations and intermediates |
03/04/1987 | EP0212982A2 Recovery of rhodium from carbonylation residues using immiscible liquids |
03/04/1987 | EP0212617A1 Process for producing 4-biphenylylacetic acid |
03/04/1987 | EP0212529A1 Process to prevent the darkening occurring during their further treatment of the by-products obtained from the preparation of adipic acid |
03/04/1987 | EP0212254A2 Process for the preparation of oxygenated decaline compounds |
03/04/1987 | EP0212221A1 Process for the preparation of naphthalene-2,6-dicarboxylic acid |
03/04/1987 | EP0212217A1 Process for the stabilization of acidic rinsing waters |
03/04/1987 | EP0212121A2 Process for the continuous separation of maleic anhydride from gaseous reaction mixtures |
03/04/1987 | EP0212094A1 Method for utilizing the distillation residues of phthalic acid anhydride and/or maleic acid anhydride |
03/04/1987 | EP0212066A1 Intermediates useful in the preparation of dopamine-beta-hydroxylase inhibitors |
03/04/1987 | CN85107544A Production of anhydrous carboxylic acids from alcohols using rhokium complex catalysts and organic ester source |
03/04/1987 | CN85107064A Production of carboxylic anhydrides from methyl carboxylates using rhodium complex catalysts |
03/03/1987 | US4647696 Method for making isobutyric acid |
03/03/1987 | US4647695 Method of preparing trifluoroacetic acid from trichlorotrifluoroethane |
03/03/1987 | US4647691 Process for preparing ethyl and n-propyl esters of carboxylic acids from methanol, syngas and carboxylic acid using a new catalyst system |
03/03/1987 | US4647673 Maleic anhydride process |
03/03/1987 | US4647585 Bicycloheptane substituted ethers |
03/03/1987 | US4647401 Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
03/03/1987 | US4647350 Electrolytic preparation of perfluoroalkanoic acids, perfluoroalkanols and perfluoroalkyl esters |
02/25/1987 | EP0211548A1 Antiallergic agents |
02/25/1987 | CN86104680A Recovery of noble metal values from carbonylation residues |
02/24/1987 | US4645838 Pyrazolopyridine compounds, and intermediates, useful as anxiolytic agents |
02/24/1987 | US4645744 Unified test means for ion determination |
02/24/1987 | CA1218381A1 Process for preparing arylalkylpyruvic acids |
02/24/1987 | CA1218376A1 Compositions containing unsaturated fatty acid compounds and method of stabilizing unsaturated fatty acid compounds |
02/24/1987 | CA1218375A1 Preparation of optically active 1,3-dioxolane-4- methanol compounds |
02/19/1987 | DE3529381A1 Process for the preparation of 2,6-naphthalene dicarboxylic acid |
02/18/1987 | CN86103741A Method for new salts preparation |
02/17/1987 | US4644080 With boron tribromide and a hydroperoxide |
02/17/1987 | US4644073 Permeability contrast correction employing a sulfate-free propionate-sequestered chromium (III) solution |
02/17/1987 | US4644072 Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof |
02/17/1987 | US4644069 Process for the preparation of dimethylmaleic anhydride |
02/17/1987 | US4643851 Process for preparing trifluoroacetyl chloride |
02/17/1987 | US4643811 Photochemical process for the preparation of dichlorotrifluoroethoxy- and dichlorotrifluoroethlythiobenzene derivatives |
02/17/1987 | US4643758 Herbicidal furyl-, thienyl- and pyrrolyl-2-pyrrolidinones |
02/12/1987 | WO1987000830A1 Process for preparing organic acids |
02/12/1987 | WO1987000829A1 Carbonylation process for the production of aromatic acids |
02/10/1987 | US4642377 Process for producing terephthalic acid from p-xylene and methanol by way of dimethyl terephthalate |
02/10/1987 | US4642376 Process for the preparation of alpha-hydroxyaryl-alkanoic acids |
02/10/1987 | US4642372 Novel process for preparation of 1-furenyl-2,2-dimethyl-cyclopropane carboxylic acid derivatives |
02/10/1987 | US4642369 Oxidation, esterification |
02/10/1987 | US4642314 Antiulcer compounds |
02/10/1987 | US4642166 Dehydration of formic acid by extractive distillation |
02/10/1987 | CA1217780A Process for the preparation of glyoxylic acid and glyoxylic acid derivatives |
02/05/1987 | DE3624417A1 Continuous process for the preparation of fatty acids, in particular of C8-C18-fatty acids by catalytic oxidation of n-alkanes |
02/04/1987 | EP0210929A2 Aromatic polycyclic derivatives, process for their preparation and their pharmaceutical and cosmetic use |
02/04/1987 | EP0210772A2 3-[(4-Aroyl)phenoxy(or phenylthio)]cyclopentanecarboxylic acid analogues |
02/04/1987 | EP0210683A1 Promotion of raney nickel catalyst |
02/04/1987 | EP0210680A2 Tube reactor |
02/04/1987 | EP0210589A2 Process for preparing optically active alpha-halogen ketals |
02/04/1987 | EP0210480A2 Process for purifying hydrogen chloride gas |
02/04/1987 | CN86103521A Deprotection of allylic esters and ethers |
02/03/1987 | US4640931 3-(indian-5-yloxy (or thio)) cyclopentanecarboxylic acid analogues |
02/03/1987 | US4640802 Process for the co-production of carboxylic acids and carboxylic acid esters |
02/03/1987 | US4640750 Electrolysis of alkaline solutions of 3-methyl-1,3,5-pentanetriol using anodes coated with nickel oxide/hydroxide |
02/03/1987 | CA1217502A1 Conversion of alkanes to unsaturated aldehydes |
01/31/1987 | CN85101740A Recovery of organic acids, catalysts and water from terephehalic acid manufacture |
01/31/1987 | CN85101737A Process for preparing 2,4,5-trihalogeno-and 2,3,4,5-tertrahalogeno-benzene derviatives |
01/29/1987 | WO1987000521A2 New carboxylic acid derivatives, their manufacturing process, use and medicines containing these compounds |
01/29/1987 | WO1987000520A1 Method for neutralization of organophilic acidic compounds |
01/29/1987 | WO1987000519A1 Chemical compounds comrpising substituted phenylrings |
01/28/1987 | EP0210017A1 Recovery of noble metal values from carbonylation residues |
01/28/1987 | EP0209905A1 1,1-(3-Ethylphenyl)phenylethylene and method for its preparation |
01/28/1987 | EP0209770A1 Eicosatriynoic esters and amides and their use in pharmacy and cosmetics |
01/28/1987 | EP0209733A2 Use of diamines in the preparation of salts with dicarboxylic acids |
01/28/1987 | EP0209731A2 Salts of oxyalkylene diamines and dicarboxylic acids, their preparation and use, and polyamides prepared therefrom |
01/28/1987 | EP0209622A1 Hydroterphenyls |
01/28/1987 | CN86104674A Oxidation method |
01/28/1987 | CN86103531A Ralpha-f-substituted-acrylic resin and the polymer thereof |
01/27/1987 | US4639531 Heterocyclic amidine catalyst |
01/27/1987 | US4639530 Process for making maleic anhydride |
01/27/1987 | US4639450 Liver disorders |
01/27/1987 | US4639337 Adsorption on alumina |
01/27/1987 | US4639325 Detergent builder |
01/27/1987 | US4639294 Crotonaldehyde and ketene, purification |
01/24/1987 | CN85101931A Preparation of symmetry (s)-gluceraldehyde acetonide |
01/21/1987 | EP0208948A2 A method for optical resolution of phenylacetic acid derivative |
01/21/1987 | CN86105663A Chemical compounds |
01/21/1987 | CN86102590A Purifying method for methacrylic acid |
01/20/1987 | US4638100 Aromatic or inter-oxa 2-decarboxy-2-hydroxymethyl-PGFα compounds |