Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/1988
01/27/1988EP0254486A1 Preparation of metal gluconates
01/27/1988EP0254220A1 Process for the preparation of 2.2-bisphenyl hexafluoropropane
01/27/1988EP0254092A1 Process for the preparation of maleic anhydride by partial oxidation
01/27/1988EP0254080A2 Malonic acid derivatives and methods for their synthesis
01/27/1988EP0254051A2 Chemiluminescent 1,2-dioxetane compounds
01/27/1988EP0253896A1 Process for producing methacrylic acid and catalysts for the process
01/26/1988US4721808 Process for purification of crude p-hydroxymethylbenzoic acid
01/26/1988US4721726 Substituted dipeptides as inhibitors of enkephalinases
01/26/1988CA1231967A1 Production of carboxylic acids from organic formate esters
01/26/1988CA1231966A1 Production of carboxylic acids from alcohols
01/26/1988CA1231965A1 Synergistic production of carboxylic acids from alcohols
01/26/1988CA1231964A1 Synergistic production of carboxylic acids from organic formate esters
01/26/1988CA1231961A1 Preparation of cyclobutene substituted aromatic hydrocarbons
01/20/1988EP0253409A2 Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
01/20/1988EP0253214A1 Process for the preparation of chlorocarboxylic acid chlorides
01/20/1988CN87103274A 5-arylalkyl-4-alkoxy-2(5h)-furanones, processes and intermediates for preparing thereof and use as pharmaceutical compositions
01/20/1988CN87101635A Process for carbonylation of olefinically unsaturated compounds with palladium catalyst
01/19/1988US4720594 Process for the preparation of aromatic aldehydes
01/19/1988US4720579 Separation of citric acid from fermentation broth with a neutral polymeric adsorbent
01/19/1988US4720577 Process for the extraction of carboxylic acids from dilute aqueous solutions
01/19/1988US4720576 Process for dimerization of aromatic halide compounds
01/19/1988US4720575 H8 PMo10 VO39 and its anhydride, PMo10 VO35 and preparation therewith of methacrylic acid and its lower alkyl ester
01/19/1988US4720556 3-oxabicyclo-(3,1,0)-hexan-2-ones
01/19/1988US4720527 New functionalized perfluoropolyethers and process for the preparation thereof
01/19/1988US4720504 Use of bis-platinum complexes as antitumor agents
01/19/1988US4720352 Process for the preparation of vanadium-containing mixed metal soap solutions
01/19/1988CA1231715A1 Complexes of technetium-99m with alkylene amine oximes
01/13/1988EP0252766A1 A method for preparing fluorine containing alpha,beta-unsaturated carboxylic acids
01/13/1988EP0252639A1 Leukotriene antagonists
01/13/1988EP0252408A2 Method for the production of carboxylic acid halides
01/12/1988US4719311 Multistage oxidation
01/12/1988US4719258 Rigidity
01/12/1988US4719052 2,2-difluoropropionic acid derivatives
01/12/1988US4718994 Method for preparing hydroxy compounds of aromatic and heteroaromatic series
01/12/1988CA1231350A1 Preparation of trifluoroacetic anhydride
01/12/1988CA1231348A1 Synthesis of organic compounds from carbon
01/12/1988CA1231347A1 Process for the preparation of 2-chloropropionic acid
01/12/1988CA1231346A1 Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
01/07/1988EP0251164A2 New chiral phosphinopyrrolidine compounds and their use for asymetric synthesis of optically active compounds
01/07/1988EP0251058A2 Process for the racemization of optically active phenoxy-propionic acid esters and their derivatives
01/07/1988EP0251041A1 Process for preparing 2,3,5,6-tetrafluorobenzoic acid and the compounds 2,3,5,6-tetrachloro-4-trifluoromethylbenzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethylbenzoyl fluoride
01/05/1988US4717720 Benzonaphthalene derivatives and compositions
01/05/1988US4717454 Condensation to form higher boiling fraction, distillation
01/05/1988CA1231099A1 Long chain alkyl- or alkenyl quaternary ammonium salts and their use as drag reducing agents
01/05/1988CA1231086A1 Process for preparing a transition metal-silicate catalyst
12/1987
12/29/1987US4716245 Catalyzed oxidation of 2,6-diisopropylnaphthalene in carboxylic acid
12/29/1987US4716241 Cyclopentane derivatives
12/29/1987CA1230891A1 PREPARATION OF OPTICALLY-ACTIVE .alpha.-SUBSTITUTED PHENYLACETIC ACIDS
12/29/1987CA1230890A1 Process for the preparation of carboxylic acids
12/23/1987EP0250264A1 Irreversible dopamine-Beta-hydroxylase inhibitors
12/23/1987EP0250189A1 Process for carbonylating alcohol to carboxylic acid, especially methanol to acetic acid
12/23/1987EP0249976A1 Process for the production of carboxylic acids
12/23/1987EP0249867A2 Substituted phenyl esters of alpha-fluoroacrylic acid
12/23/1987EP0249844A1 Ketolactones
12/22/1987US4714786 For skin disorders, mucous membranes, rheumatism
12/22/1987US4714776 Antiallergic agents
12/22/1987CA1230611A1 Process for the preparation of mixtures of acetic acid, propionic acid and butyric acid
12/22/1987CA1230610A1 Process for the the preparation of l(-)carnitine hydrochloride and of l(-)carnitine inner salt
12/22/1987CA1230597A1 Succinimide derivatives and their production
12/22/1987CA1230589A1 Preparation of acetic acid and methyl acetate
12/17/1987WO1987007604A1 Derivatives of all-trans- and 13-cis retinoic acid and methods for preparing same
12/16/1987EP0249359A2 Process for production of fatty acids
12/16/1987EP0248951A2 Process for producing branched carbonylation products from alpha unsaturated olefins
12/16/1987CN86103840A Compoundedinhibitor of polymerization for methacrylic acid and esters thereof
12/15/1987US4713486 Novel compounds
12/15/1987US4713485 Process for preparing α-hydroxy-alkanoic acids and compounds obtained by this process
12/15/1987US4713484 Single phase carbonylation of aromatic halides to carboxylic acid salts
12/15/1987US4713464 Process for production of maleic anhydride
12/15/1987US4713437 Salt of oxaalkylenediamine with dicarboxylic acid, containing hydrazine, preparation, and nylon prepared therefrom
12/15/1987US4713409 Vulcanizable polymeric compositions containing a zinc dimethacrylate adjuvant and method for preparing the adjuvant
12/15/1987US4713201 Using hydrazine hydrate; discoloration inhibition
12/10/1987DE3619169A1 Process for the acylation of aromatics
12/09/1987EP0248465A1 Process for the preparation of a basic salt, such a salt and lubricating oil compositions containing such a salt
12/09/1987EP0248423A1 Process or the acylation of aromatic compounds
12/09/1987EP0248259A1 Process for producing formic acid by carbonylation of hydroxyalkylamines and hydrolysis of the hydroxyalkylformamides produced
12/09/1987EP0248074A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
12/08/1987US4711896 Antidiabetic, antilipemic agents
12/08/1987CA1230127A1 Phenylalkanoic acid derivatives, their preparation and use
12/03/1987WO1987007267A1 Method of synthesizing tetrafluorophthalonitrile
12/03/1987WO1987007264A1 Composition of matter containing potassium acetylsalicylate and useful for producing solutions of potassium acetylsalicylate, and process for preparation
12/03/1987WO1987004427A3 Prostaglandin synthesis
12/02/1987EP0247481A1 Process for the preparation of 2,2-bis-chloromethyl-alkane-carboxylic-acid chlorides
12/02/1987EP0247472A2 Process for the preparation of carboxylic acid derivatives
12/02/1987EP0247320A2 5-Arylalkyl-4-alkoxy-2(5H)-furanones, intermediates and process for their preparation as well as their application as therapeutically active ingredients
12/02/1987EP0247199A1 Synthetic routes to cyclopentanecarboxylic acid derivatives
12/02/1987EP0247159A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
12/02/1987CN87102247A Process for production of composite oxide catalysts
12/01/1987US4710484 Devolatilized catalyst precursor is conditioned in boiling aliphatic alcohol prior to being calcined
11/1987
11/24/1987US4709090 Dehydrogenation of a polyethylene glycol with a hydroxide and copper-zirconium catalyst
11/24/1987US4709089 Method for refining 2-(aryl substituted) propionic acid or its salt
11/24/1987US4709088 Process for producing 2,6-naphthalene-dicarboxylic acid
11/24/1987US4709082 Crystallization with an amine or alcoholate as racemizing agent
11/24/1987US4709057 Method of preparing fine crystal particles of maleic anhydride
11/24/1987US4708963 Novel carbacyclins, their preparation and use
11/24/1987US4708864 Metal-acid complex
11/24/1987CA1229617A1 Process for the preparation of dimethylmaleic anhydride
11/24/1987CA1229616A1 Process for the preparation of dimethylmaleic anhydride
11/24/1987CA1229594A1 Photosensitive compositions of matter which are capable of undergoing condensation or addition reactions and may or may not be crosslinkable, reaction products which can be prepared therefrom and their use
11/19/1987EP0245959A2 Ruthenium-phosphine complexes
11/19/1987EP0245719A2 Method and apparatus for the production of formic acid