Patents
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Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/1984
11/13/1984US4482726 Process for the production of maleic anhydride
11/13/1984US4482497 Preparation of carboxylic acids
11/13/1984US4482472 Liquid crystal materials
11/13/1984US4482438 Method of performing a chemical reaction
11/13/1984CA1177845A1 Process for the carbonylation of olefins
11/08/1984WO1984004319A1 Phosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfur
11/07/1984EP0124476A1 Carboxamides, process for their preparation and pharmaceutical preparations containing them
11/07/1984EP0124407A1 Process for the preparation of alkanoic acids
11/07/1984EP0124380A1 Preparation of unsaturated acids and esters
11/07/1984EP0124160A1 A process for the preparation of carboxylic acids and/or esters
11/07/1984EP0124002A1 Process for the preparation of aromatic compounds containing perfluorinated side chains linked by a heteroatom
11/07/1984EP0123937A1 A base precursor for heat-developable photosensitive material
11/07/1984EP0123908A2 Heat-developable color light-sensitive material
11/07/1984EP0123739A2 Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acids
11/06/1984US4481369 Preparation of α-keto-carboxylic acids from acyl halides
11/06/1984US4481368 Complexing with alkali metral tetracarbonyl cobaltate, carbonylation
11/06/1984US4481363 Method for producing maleic anhydride
11/06/1984US4481304 Catalyst for producing phthalic anhydride
11/06/1984US4481145 Disproportionation of unsaturated acids
11/06/1984CA1177431A1 Process for the oxidation of hydrocarbons
10/1984
10/31/1984EP0123541A1 Leukotriene antagonists
10/31/1984EP0123535A1 New phenylalkanoic acid derivatives, their preparation and use
10/31/1984EP0123504A2 Complexes of technetium-99m with alkylene amine oximes
10/31/1984EP0123495A1 Process for preparing carboxylic acids from vicinal water-soluble diols
10/31/1984EP0123467A1 Reactivation of phosphorus vanadium catalysts and process for the manufacture of maleic anhydride catalysts treated with alkyl esters of orthophosphoric acids in the presence of water
10/31/1984EP0123416A1 Method of producing solid potassium dipropionate
10/31/1984EP0123001A1 New cyclohexane derivatives having plant-growth regulating activities, and uses of these derivatives
10/30/1984USRE31715 Liquid crystal compounds
10/30/1984US4480106 Process for the preparation of asymmetrically substituted maleic anhydrides, and asymmetrically substituted maleic anhydrides
10/30/1984US4479945 Inter-m-phenylene-prostacyclin analogues and use thereof in inhibiting blood platelet aggregation
10/30/1984CA1177095A1 Process for hydroxylating olefinically unsaturated compounds
10/25/1984WO1984004090A1 NEW TETRA-ALKYL-2, 2, 5, 5-CYCLOHEXANONE-4 ol-1 AND SULPHONYLATED DERIVATIVES THEREOF, PREPARATION INTERMEDIARIES AND PROCESS AND THEIR APPLICATION TO THE SYNTHESIS OF CYCLOPROPANIC CIS LACTONES
10/24/1984EP0122804A1 Process for preparing carboxylic acids from olefins or vicinal dihydroxy compounds
10/24/1984EP0122782A1 Process for the production of unsaturated carboxylic acids and/or esters
10/24/1984EP0122576A1 Process for the production of vicinal polycarbonyl compounds
10/23/1984US4478760 Process for the preparation of fluorinated products
10/23/1984CA1176657A1 Production of carboxylic acids from acylium anions formed by carbonylation
10/23/1984CA1176656A1 Process for preparing phenylalkanoic acids, intermediates
10/17/1984EP0122249A1 Recovery of vanadium and copper from adipic acid production
10/17/1984EP0122202A2 Tetra-alkyl-2,2,5,5-cyclohexanon-4-ol-1 and its sulfonated derivatives, process and intermediates for its preparation and its use in the synthesis of cis-cyclopropanlactones
10/17/1984EP0122019A2 A prostaglandin analogue
10/17/1984EP0121872A1 Process for preparing a manipulated enantiomer mixture by asymmetric chiral phase transfer catalysis
10/17/1984EP0121847A2 2,2-dimethyl-3-(2-halovinyl)cyclopropane carboxylates, process for their preparation and their use as pesticides
10/17/1984EP0121702A1 Process for the precipitation of americium oxalate from a primary nitric acid solution containing americium nitrate
10/17/1984EP0121684A1 Process for the preparation of halogenated benzoic acids from nucleus-halogenated toluenes
10/16/1984US4477384 Condensation of carboxylic acid with 2-amino-2-methyl propanol
10/16/1984US4477382 Preparation of carboxylic acid anhydrides
10/16/1984US4477380 Oxidation process of reactive aromatics with reactivation of the catalyst using potassium permanganate
10/16/1984CA1176273A1 Substituted oxocarboxylic acids, processes for their preparation, their use and medicaments containing them
10/16/1984CA1176266A1 Lactone process
10/09/1984US4476320 Process for the preparation of fluoroaromatic compounds substituted in the o-position
10/09/1984US4476248 Crystallization of ibuprofen
10/09/1984US4476242 Process for preparing palladium on carbon catalysts for purification of crude terephthalic acid
10/09/1984US4476238 Separation of tars from carbonylation reaction mixtures
10/09/1984US4476237 Separation of tars from carbonylation reaction mixtures
10/09/1984US4476106 Process for the extemporaneous preparation of an injectable fatty acid tagged in the omega position by means of radioactive iodine
10/09/1984US4476056 Trifluoromethoxy analogs of aromatic retinoids
10/09/1984US4476025 Pressure gradient across perfluorinated ionomer
10/09/1984CA1175857A1 Preparation of acetic anhydride
10/09/1984CA1175798A1 Method for the production of methyl formate and methanol
10/03/1984EP0120631A1 A process for producing carboxylic acids by carbonylation of alkanols over a carbon catalyst
10/03/1984EP0120587A1 Crystalline ibuprofen
10/03/1984EP0120304A2 Substituted 4,10-dihydro-10-oxothieno benzoxepins and intermediates thereof, a process for their preparation and their use as medicaments
10/03/1984EP0120199A1 Process for the removal of naphthoquinone from phthalic anhydride obtained by air oxidation of naphthalene
10/02/1984US4474997 Oxidation process and catalyst therefor
10/02/1984US4474990 Preparing p-phenoxy benzoyl compounds
10/02/1984US4474959 Group 8 metal hydrogenation catalysts
10/02/1984US4474881 Process for preparing polyprenyl carboxylic acid derivatives
09/1984
09/26/1984EP0119949A1 Carbacyclins, process for their manufacture and their use as pharmaceutical compounds
09/26/1984EP0119763A1 Nonsludging complexes of chromium and stearic acid
09/26/1984EP0119480A2 Spherical monocrystals for pharmaceutical use
09/26/1984EP0119463A1 Process for the separation of isomers of substituted cyclopropanecarboxylic acids
09/26/1984EP0119301A2 Process and apparatus for the recuperation of maleic anhydride from a phthalic anhydride gaseous reactor effluent
09/25/1984US4473713 Hydrolysis of aryl-aliphatic ethers
09/25/1984US4473707 Iron-phosphorus oxide catalyst
09/25/1984US4473706 Cyclization, carbonylation of 1-bromoalkane in presence of metal carbonyl catalyst and base
09/25/1984US4473703 Treatment with lewis acid
09/25/1984US4473544 Radio-iodine-labelled omega phenyl fatty acids
09/25/1984US4473508 Process for the production of γ-chloroacetoacetic acid chloride
09/25/1984US4473504 Method of producing granular metallic soap
09/25/1984CA1175045A1 Process for controlled degradation in concentrated solution of liquid glucose syrups - product thus obtained and its use as an additive for mortars and concretes
09/25/1984CA1174831A1 Catalytic oxidation and dehydrogenation method
09/19/1984EP0119067A1 Process for preparing aldehydes
09/19/1984EP0119065A1 Process for preparing diaryls
09/19/1984EP0118661A2 Fluorine-containing benzophenone derivatives
09/18/1984US4472587 Process for obtaining phthalic anhydride, starting from ortho-xylene, naphtalene and their mixtures, by oxidation in the presence of a specific catalyst and the catalyst obtained by carrying out said process
09/18/1984US4472527 Process for preparing an oxidation catalyst composition
09/18/1984US4472313 Reduction of olefinic acid esters with zinc and diiodomethane
09/18/1984CA1174689A1 Pyrethroids
09/13/1984WO1984003505A1 Naphthyl or tetrahydronaphthyl-substituted naphthoic acid and de rivates
09/12/1984EP0118244A2 Synthetic method for a chiral 3-(substituted-phenyl)-4-(3-hydroxypropyl)-cyclohexanol
09/12/1984EP0118151A1 Process for the preparation of carboxylic acids
09/11/1984US4471075 Catalyst of rhodium, manganese and sodium
09/11/1984US4470932 Preparation of carboxylic acid anhydrides
09/11/1984US4470931 Combination fixed-fluid bed reactor
09/11/1984US4470930 Preparation of nuclear chlorinated aromatic compounds
09/05/1984EP0117647A1 Improvements in or relating to phenethanolamines
09/04/1984US4469887 Process for the production of methacrylic acid from isobutyraldehyde
09/04/1984US4469886 Selective hydrocarboxylation of propylene to isobutyric acid
09/04/1984US4469885 For preventing or retarding degradation of elastin
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