Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 57 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
Patents for C07C 57 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms (12,415)
12/1991
12/10/1991US5072064 Divinyl compound
12/10/1991US5072037 Aldol condensation, hydrogenation, dehydration, hydroformylati on, oxidation; purity, by-product inhibition, pollution contro l
12/10/1991US5072030 Process for the fluorination of acrylic acid and derivatives thereof and novel fluorinated esters of 2,3-difluoropropionic acid
12/10/1991CA1292997C Preparation process of cinnamic acids
12/04/1991EP0459258A2 Process for the preparation of olefinic and acetylenic compounds
12/03/1991US5070104 Methods of chelating metal and novel compositions therefor
12/03/1991US5070061 Isobutyric acid to methacrylic acid
11/1991
11/28/1991WO1991018105A1 Labeled compounds for use in a diagnostic breath test
11/28/1991WO1991005754A3 Derivatives of long-chain fatty alcohols and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same
11/26/1991US5068393 Aromatic derivatives of butyric acid, a process for their preparation and their use in cosmetics and in human and veterinary medicine
11/26/1991CA1292475C Process for the selective preparation of alkenecarboxylic acid derivatives
11/21/1991EP0456837A1 Process for producing methacrolein and methacrylic acid
11/20/1991CN1056301A Recovery of acrylic acid and/or ethyl acrylate from black acid
11/19/1991US5066640 Perfume with a floral scent
11/19/1991US5066427 Eicosatriynoic acid esters and their application in pharmaceutical and cosmetic practice
11/13/1991EP0456108A2 Herbicidal agent comprising a N-phenyl-3,4,5,6-tetrahydrophthalimide and a derivative of phenoxyalkanecarboxylic acid
11/13/1991EP0455906A1 Recovery of acrylic acid and/or ethyl acrylate from black acid
11/12/1991US5064861 Acylated amine compounds which are useful fungicigal agents
11/12/1991CA1292049C Inclination measuring device
11/11/1991CA2041908A1 Herbicide consisting of an n-phenyl-3,4,5,6-tetrahydrophthalimide and a phenoxyalkanecarboxylic acid derivative
11/08/1991CA2027221A1 Recovery of acrylic acid and/or ethyl acrylate from black acid
11/06/1991CN1055914A Process for producing unsaturated aldehydes and unsaturayed acids
10/1991
10/31/1991WO1991013055A3 New aryl- and heteroarylethenylene derivatives and process for their preparation
10/30/1991EP0454376A1 Process for preparing catalysts for producing methacrylic acid
10/23/1991EP0453332A1 Attrition-resistant catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids, particularly in fluid bed reactors
10/23/1991EP0452882A1 Anhydrous metal salts of alpha,beta-ethylenically unsaturated carboxylic acids and related methods
10/23/1991EP0291507B1 Electronic inclinometer
10/16/1991EP0451420A1 Accelerators for cationic aqueous bituminous emulsion-aggregate slurries
10/15/1991US5057623 Organic fluorine compound
10/09/1991EP0450596A2 Process for producing unsaturated aldehydes and unsaturated acids
10/09/1991EP0450577A1 Nitrile-accelerated hydrocarboxylation
10/07/1991CA2039907A1 Attrition resistant catalytic system and application to the saturated carboxylic acid oxydehydrogenation, particularly in entrained bed reactors
10/02/1991CN1054972A Method for production of acrylic acid
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
10/01/1991US5053534 Reacting precongigated fatty acid with acrylic acid; heating; catalyst-free
10/01/1991US5053240 Norbixin adducts with water-soluble or water-dispersible proteins or branched-chain or cyclic polysaccharides
09/1991
09/26/1991DE4009505A1 Verfahren zur herstellung verzweigter fettsaeuren und deren ester A process for producing branched fatty acids and esters
09/24/1991US5051394 Precipitation and roasting
09/22/1991WO1991014427A1 Eicosapentaenoic acids and methods for their production
09/22/1991CA2078664A1 Eicosapentaenioc acids and methods for their production
09/19/1991WO1991013856A1 Process for producing methacrylic acid
09/18/1991EP0446644A1 Process for preparing a catalyst, the catalyst and its use
09/18/1991EP0446211A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups.
09/18/1991CN1054584A Chlorobenzyl carbonylation making phenyl acetate method
09/17/1991US5049455 Amphiphilic anthracene derivative
09/11/1991CN1054417A Process for preparing basic calcium aluminium hydroxide dicarboxylates, and their use
09/11/1991CN1013858B Preparation of eicosapentaenoic acid (epa), docosahexenoic acid (dha) and their esters by separation
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/05/1991WO1991013055A2 New aryl- and heteroarylethenylene derivatives and process for their preparation
09/04/1991EP0253896B1 Process for producing methacrylic acid and catalysts for the process
09/03/1991CA1288330C Adaptive torque control of cutoff knife pull roll
08/1991
08/22/1991WO1991011995A1 Arylalkyl-amines and -amides having anticonvulsant and neuroprotective properties
08/22/1991DE4004091A1 Addn. prods. of epoxide oligomers and (meth)acrylic acid - by using 5-ring, 2,3 N or 6-ring, 1-2 N hetero-aromatics as catalysts, to give stable, directly-usable prods.
08/21/1991EP0442517A1 Preparation process of catalysts for producing methacrylic acid
08/21/1991EP0442181A1 Separation of hydroxy paraffinic dicarboxylic acids from olefinic dicarboxylic acids
08/21/1991EP0441979A1 Optically active 2-(alkyl-substituted phenyl)-propionic acid derivative and optical resolution of ( )-1-methyl-3-phenylpropylamine
08/20/1991US5041649 Preparation of carbonyl halides
08/20/1991US5041646 Process for producing 2-methyl-2-butenoic acid
08/20/1991US5041642 Preparation of β, γ-unsaturated carboxylic acids
08/20/1991US5041641 Pentafluorophenyl derivatives, methods of production thereof, and method of optical resolution of chiral carboxylic acids
08/20/1991US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2
08/14/1991EP0441685A1 Catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids
08/14/1991EP0441312A1 Process for producing methacrylic acid
08/14/1991EP0441014A1 Compositions for control of induction system deposits
08/14/1991EP0411101A4 Methods of preserving products and novel compositions therefor
08/14/1991DE4002988A1 Basic calcium aluminium hydroxide di:carboxylate(s) - useful as heat stabilisers for halogen-contg. thermoplastics, esp. PVC
08/08/1991WO1991011428A1 Olefinically unsaturated adducts of ethylene on polyunsaturated fatty acids or fatty acid esters, process for producing them and their use
08/08/1991WO1991011427A1 Olefinically unsaturated adducts of propylene on polyunsaturated fatty acids or fatty acid esters, process for producing them and their use
08/07/1991EP0440325A2 Methods of chelating metal and novel compositions therefor
08/07/1991CA2035713A1 Compositions for control of induction system deposits
08/06/1991US5037751 Ability for stereoselective hydrolysis of naproxen ester; gene encoded enzyme
08/02/1991WO1991011421A1 Basic calcium aluminium hydroxide dicarboxylates, process for producing them and their use
08/02/1991CA2074821A1 Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use
07/1991
07/30/1991US5036156 Process for the preparation of α-bromo-phenylacetic acids
07/30/1991CA1287062C REGULATION OF PLANT METABOLISM BY .alpha., .beta.- OR .beta., GAMMA-UNSATURATED CARBOXYLIC ACIDS OR DERIVATIVES THEREOF
07/25/1991DE4002012A1 Olefinisch ungesaettigte addukte von ethylen an mehrfach ungesaettigte fettsaeuren bzw. fettsaeureester, verfahren zu ihrer herstellung und ihre verwendung Olefinic unsaturated adducts of ethylene to polyunsaturated fatty acids or fettsaeureester, process for their production and their use
07/25/1991DE4002008A1 Olefinisch ungesaettigte addukte von propylen an mehrfach ungesaettigte fettsaeuren bzw. fettsaeureester, verfahren zu ihrer herstellung und ihre verwendung Olefinically unsaturated adducts of propylene with polyunsaturated fatty acids or fettsaeureester, processes for their preparation and their use
07/24/1991EP0316367B1 Process for separating methacrylic acid from isobutyric acid
07/24/1991EP0284612B1 Treatment of bone loss
07/23/1991US5034419 N-cycloalkylalkylamines, process for their preparation, their use as medicament and their synthesis intermediates
07/23/1991US5034060 Cationic aqueous bituminous emulsion-aggregate slurries with improved curing rates
07/17/1991EP0437369A2 Formation and resolution of ibuprofen lysinate
07/17/1991EP0437334A2 Method of producing a fatty acid
07/17/1991EP0436860A1 Process for the preparation of 2-(4-chlorophenyl)-3-methyl-butanoic acid
07/17/1991CN1053010A Pharmaceutical preparation
07/11/1991CA2033871A1 Formation and resolution of dexibuprofen lysine
07/10/1991CN1052847A Anti-polymerization method of acrylic acid and acrylic ester
07/03/1991EP0435714A2 Process for the preparation of clorinated carboxylic acid clorides
07/02/1991US5028734 Process for the selective preparation of alkenecarboxylic acid derivatives
07/02/1991US5028733 Prostaglandins
07/02/1991US5028625 Chewable Tablet For Oral Administration
07/02/1991CA1285574C Process for preparing sertraline intermediates
07/02/1991CA1285564C 1-heteroaryl-4-¬(2,5-pyrrolidinedion-1-yl)alkyl|piperazine derivatives
06/1991
06/26/1991EP0434343A1 Process for preparing ibuprofen and its alkyl esters
06/26/1991EP0433424A1 Improved asymmetric catalytic hydrogenation of alpha-arylpropenoic acids.
06/26/1991EP0433420A1 Process for making symmetrical di-fatty acid diamides.
06/25/1991US5026939 Method for producing 4-isobutylstyrene
06/24/1991CA2032360A1 Process for the preparation of 2-(4-chlorophenyl)-3-methylbutyric acid
06/19/1991EP0433267A2 Process for preparing eicosatetraynoic acid
06/19/1991EP0433191A1 Process for preparing 1,6-hexendioic acids from butendiol
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