Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/1980
10/14/1980US4228299 Intermediates for pyrethroid insecticides
10/14/1980US4228038 Method for the preparation of catalyst of vanadium pentoxide on substrate of titanium dioxide
10/14/1980US4227971 Bromine removal from acetic acid
10/09/1980EP0016150A4 Process for the carbonylation of diolefins.
10/07/1980US4227021 Production of adipic acid from acidic wash waters
10/07/1980US4227020 Method of preparing naphthenic acids
10/07/1980US4227018 Odorless benzoic acid process
10/07/1980US4227017 Hydrolysis of distillate from distillation of impure benzyl benzoate in the presence of a basic substance
10/07/1980US4227012 Forms phenolic acetates, phosphorus pentoxide, benzaldehyde catalysts
10/07/1980US4226866 Bactericides, acylation
10/07/1980US4226790 Process for oxidizing thallium (I) to thallium (III)
10/01/1980EP0016513A2 Esters of halogenated substituted cyclopropanoic acids, their preparation and use as insecticides
10/01/1980EP0016150A1 Process for the carbonylation of diolefins.
09/1980
09/30/1980US4225730 Process for preparing 4-(2,4-difluorophenyl)-salicyclic acid
09/30/1980US4225694 Selective catalytic oxidation of unsaturated alcohols to carbonyl compounds
09/30/1980US4225527 Treatment of dermatological conditions
09/30/1980US4225466 Catalytic oxide composition for preparing methacrylic acid
09/30/1980US4225465 Oxidation catalysts are oxides of vanadium and phosphorous and optional promoter
09/30/1980CA1086770A1 Araliphatic dihalogen compounds and process for their preparation
09/30/1980CA1086765A1 PROCESS FOR THE SIMULTANEOUS PREPARATION OF 2,5-DIOXO- 1,2-OXA-PHOSPHOLANES AND .beta.-HALOGENPROPIONIC ACID HALIDE
09/30/1980CA1086743A1 4,4'-dihydroxy-3,3'-thiphenylmethanedicarboxylic acid compounds
09/30/1980CA1086717A1 7-(.alpha.,.alpha.-DISUBSTITUTED-ACETAMIDO)-3-SUBSTITUTED-3- CEPHEM-4-CARBOXYLIC ACIDS AND THE PREPARATION THEREOF
09/23/1980US4224329 2-Substituted-trans-5-aryl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indoles
09/23/1980US4224236 Process for the manufacture of oxygen-containing carbon compounds from synthesis gas
09/23/1980US4224232 Production of carboxylic acids from olefins and mixtures of olefins
09/23/1980US4224227 Pesticides
09/23/1980US4224193 Olefin oxidation catalyst and process for its preparation
09/23/1980US4224187 Olefin oxidation catalyst and process for its preparation
09/23/1980CA1086325A1 Preparation of maleic anhydride from four-carbon hydrocarbons
09/18/1980WO1980001918A1 Polymer,preparation and formulations for preparation thereof use for production of bonded materials,intermediates and preparation thereof
09/17/1980EP0015761A2 Polymer, preparation and formulations for preparation thereof and use for production of bonded materials
09/17/1980EP0015537A1 Process for the preparation of dienoic acids
09/16/1980US4223161 Process for producing unsaturated aliphatic acids
09/16/1980US4222945 Production of maleic anhydride
09/16/1980CA1085977A1 Process for carrying out ion exchange reactions
09/16/1980CA1085872A1 Process of producing the magnesium salt of p- chlorophenoxyisobutyric acid
09/09/1980US4221921 Monochloroacetic acid from hydroxyacetic acid
09/09/1980US4221919 Antiinflammatory substituted phenylacetic acids
09/09/1980US4221810 Antiulcer compounds
09/09/1980US4221734 Process for the preparation of derivatives of fluoroalkane-carboxylic and perfluoroalkane-sulfinic acids
09/09/1980US4221725 Chemical intermediate
09/09/1980US4221719 Catalytic oxidation
09/03/1980EP0015231A1 Indenoncarboxylic acids, their esters and process for the manufacture thereof
09/03/1980EP0014966A1 Des-A-steroids, their production and some des-A-steroids for use as medicines
09/02/1980US4220803 Catalytic dehydrogenation of ethanol for the production of acetaldehyde and acetic acid
09/02/1980US4220802 Catalytic oxidation of acrolein
09/02/1980US4220801 One step denitration, hydroxylation, deesterification and saponification by reaction of ester with salt of oxime
09/02/1980US4220606 Cyclic hydrocarbon perfluorination process
09/02/1980US4220597 Process for the preparation of anthraquinone
09/02/1980US4220596 Separation of phthalic anhydride from vapor mixture also containing water vapor
09/02/1980US4220595 Oxidation of butane to maleic anhydride
09/02/1980US4220592 Synthesis of substituted phenylacetic acid
09/02/1980US4220591 Insecticidal esters
09/02/1980US4220590 Optically active bis phosphine compounds
08/1980
08/26/1980US4219671 Oxidation of butene to acetic acid
08/26/1980US4219670 Process for producing unsaturated aldehydes and unsaturated carboxylic acids
08/26/1980US4219669 Method of treating mother liquor of reaction in terephthalic acid production
08/26/1980US4219484 Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques
08/26/1980US4219389 Separation of acrylic acid from solutions thereof in tri-n-butyl phosphate
08/26/1980US4219388 Process for the recovery of maleic anhydride from distillation residues
08/26/1980US4219351 Herbicides, plant growth regulators
08/26/1980US4219219 Developers for pressure-sensitive recording and developing sheets containing them
08/26/1980CA1084524A1 Process for the functionalization of perfluorated radicals
08/26/1980CA1084523A1 Phenoxyalkylcarboxylic acid derivatives
08/26/1980CA1084521A1 Ethynylbenzene compounds and derivatives thereof
08/26/1980CA1084477A1 Catalysts supported on at least partially polycrystalline graphite
08/20/1980EP0014593A1 Novel bicyclic alcohol and insecticidal ester derivatives, their production, and compositions containing and insecticidal methods using the esters
08/20/1980EP0014493A1 Chlorobenzyl phenoxy alkanoic compounds
08/20/1980EP0014439A2 Process for the separation of fatty mixtures into components of different melting points
08/20/1980EP0014431A2 Process for the recovery of fluorinated emulsifying acids from basic ion exchangers
08/19/1980US4218568 Hydrolysis of methyl formate in the presence of an imidazole base
08/19/1980US4218473 Derivatives of 4-cyclohexyl-1-naphthalene-acetic acid and their use as drugs
08/19/1980US4218385 Tri-substituted, hydrocarbon soluble, chromium compound synthesis
08/19/1980US4218383 Method of producing maleic anhydride
08/19/1980US4218382 Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques
08/19/1980US4218380 Oxidation of the a-hydroxy-arylacetic acid
08/19/1980US4218378 11a-Methano-TXA compounds
08/19/1980US4218340 Nickel and cobalt containing carbonylation catalyst compositions for the production of carboxylic acids and their esters
08/19/1980CA1084064A1 Method for preparing 2'-(carboxymethoxy)-chalcones
08/19/1980CA1084061A1 Divinyl stilbenes as optical brighteners
08/12/1980US4217460 Isolation of formic acid from its aqueous solutions
08/12/1980US4217300 Preparation of dihalogenovinylcyclopropanecarboxylic acids and esters
08/12/1980US4217290 Process for preparing bifunctional aliphatic organic compounds
08/12/1980US4217281 Imide carbonyl compounds and method for making
08/12/1980CA1083596A1 Process for the carboxylation of organic substrates of reactants with carbon
08/12/1980CA1083592A1 Anticariogenic maloaluminate complexes
08/12/1980CA1083557A1 Process for the manufacture of methacrylic acid and a catalyst
08/06/1980EP0013804A1 Improved carbonylation process recycling a portion of the reacted gas
08/06/1980EP0013797A1 Oxidation of alcohols and aldehydes using a ruthenate catalyst
08/06/1980EP0013741A1 Process for the preparation of maleic anhydride
08/05/1980CA1083165A1 Preparation of maleic anhydride from four-carbon hydrocarbons
08/05/1980CA1083162A1 Process for the preparation of derivatives of cyclopentanol
07/1980
07/29/1980US4215225 From the acid and ammonia in a tubular reactor
07/29/1980US4215224 Removal of dissolved disodium terephthalate from aqueous solution also containing sodium hydroxide
07/29/1980US4215065 Hydrolysis, esterification
07/29/1980US4215056 Formation, purification and recovery of phthalic anhydride
07/29/1980US4215055 One step oxidation of o-xylene using catalyst of cobalt, manganese, bromine and benzoic acid, fractionation
07/29/1980US4215054 One step oxidation of o-xylene using catalyst of cobalt, manganese, bromine and benzoic acid, debromination with noble metal, fractionation
07/29/1980US4215053 Production of ortho-phthalic acid and its conversion and recovery of phthalic anhydride
07/29/1980US4215052 Continuous oxidation of o-xylene using catalyst of cobalt, manganese and bromine; debromination with noble metal, fractionation