Patents
Patents for B01J 27 - Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds (30,090)
12/1991
12/10/1991US5071975 Esterification of sucrose with fatty acid alkyl esters, alkaline catalyst
12/10/1991US5071814 Process for producing molybdenum bismuth-containing metal oxide catalyst
12/10/1991US5071813 Carbides, nitrides, or carbonitrides of molybdenum, tungsten, iron, cobalt, nickel
12/10/1991US5071805 Layers; nickel-molybdenum-phosphorus/alumina and nickel-tungsten/silica-alumina-zeolite; first layer more active for denitrification; the second for cracking activity
12/10/1991US5071640 Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains
12/10/1991US5071572 Production of alcohols
12/09/1991CA2044110A1 Process for the preparation of oxydiphthalic anhydride and acyloxyphthali anhydrides
12/09/1991CA2044042A1 Production of hydroxy carboxylic compounds
12/09/1991CA2042996A1 Transalkylation in the presence of a catalyst slurry
12/04/1991EP0459861A1 Oxidising activation of carbon-hydrogen bonds by hydrogen peroxide, medium and process for carrying it out
12/04/1991EP0459729A1 Catalyst for production of substituted benzaldehyde, method for production of the catalyst, and method for production of substituted benzaldehyde
12/04/1991EP0459390A1 Sterically hindered amino hydrocarbylsilanes and process of preparation
12/04/1991EP0459267A2 Process for the preparation of pure 4,4'-dihydroxybiphenyl
12/03/1991US5070062 Oxychlorination catalyst, the method for its preparation
12/03/1991US5070061 Isobutyric acid to methacrylic acid
12/03/1991US5070060 Oxidation of butane to maleic anhydride
12/03/1991CA1292751C Process for production of isothiocyanates
12/02/1991CA2043466A1 Method for treatment of wastewater containing polyether polyols
12/01/1991CA2043529A1 Oxidatively activating of carbon-hydrogen bonds with hydrogen peroxide; medium and process therefor
11/1991
11/28/1991WO1991017971A1 Process and catalyst for hydrohalogenation of hydrocarbons
11/28/1991WO1991017826A1 Silica-alumina catalyst and process using same
11/28/1991WO1991017824A1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
11/27/1991EP0458684A1 Reagent and process for the perfluoroalkylation of nucleophilic substrates by sodium perfluoroalkanesulfinates in an oxidising medium
11/27/1991EP0458643A2 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/27/1991EP0458541A1 Improved phosphorous/vanadium oxidation catalyst
11/27/1991EP0458006A1 Process for preparing high-purity aniline
11/27/1991EP0457982A1 Multizone catalytic reforming process with a plurality of catalysts
11/27/1991EP0261191B1 Industrial process for the preparation of amino acids by hydrolysis of proteins in acid medium
11/27/1991CN1056489A Process for preparing high-purity aniline
11/27/1991CN1056487A Process for preparing 2,2-dimethyl-5-(2,5-dimethyl phenoxy) pentanoic acid
11/26/1991WO1991018862A1 Process for producing 1,4-bis-(fluorbenzoyl)-benzol
11/26/1991US5068472 Catalytic fluorination of hexachloropropylene with hydrogen fluoride followed by dehydrohalogenation
11/26/1991US5068450 Formylation of aromatic compounds in the presence of boron trifluoride
11/26/1991US5068448 Process for the production of 4'-isobutylacetophenone
11/26/1991US5068407 Oxidation of tertiary-alkyl substituted aromatics
11/26/1991US5068392 Process for the preparation of 2-chloro and 2,6-dichloroanilines
11/26/1991US5068391 Preparation of methylenedi (phenylurethane)
11/26/1991US5068385 Process for the preparation of alkyl halogenosilanes
11/26/1991US5068025 Hydrotreatment of feedstock with nickel, tungsten and optionally phosphorous on alumina
11/26/1991CA2083715A1 Process for the preparation of 1,4-bis(4-fluorobenzoyl)-benzene
11/26/1991CA1292471C Preparation of piperidinylcyclopentylheptenoic acid derivatives
11/25/1991CA2042854A1 Process for the synthesis of n-vinyl amides
11/25/1991CA2041950A1 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/22/1991WO1991017825A1 Catalytic compositions
11/22/1991CA2082430A1 Catalytic compositions
11/21/1991EP0457725A2 Process for the preparation of 2,3-dibromopropionyl chloride
11/21/1991EP0457387A2 Process for the preparation of ketones
11/21/1991EP0456837A1 Process for producing methacrolein and methacrylic acid
11/21/1991EP0282602B1 Production of alkaloid dimers using ferric ion
11/19/1991US5066827 From ethyl N-phenylcarbamate and formaldehyde, trioxane, methylal or paraformaldehyde, hydrofluoric acid catalyst, intermediate for diphenylmethane diisocyanate
11/19/1991US5066629 Group 2A oxide or carbonate mixed with clay
11/19/1991CA1292250C Dual function process for isomerization and ring opening of a feed stream containing paraffins and hydrocarbons
11/19/1991CA1292249C Process containing hf alkylation and selective hydrogenation
11/13/1991EP0456552A1 Method for the production of 1,1,1,2-tetrafluoro-chloroethane and pentafluoroethane
11/13/1991EP0456049A1 Process for the preparation of vinylphosphonic acid derivatives
11/13/1991EP0455748A1 Manufacture of 1,1,1,2-tetrafluoroethane.
11/13/1991EP0455644A1 Production of allyl chloride.
11/13/1991EP0278981B1 Catalysts for the hydrodenitrogenation of organic materials
11/13/1991CN1056068A Catalyst for transforming di-olefines selectice hydrogenation to single-olefines
11/13/1991CN1056066A Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
11/12/1991US5064804 Metal vanadates, molybdates, or tungsttes for hydrolysis
11/12/1991US5064215 Safety ski binding
11/12/1991CA2042304A1 Process for preparing 2,2-dimethyl-5-(2,5-dimethylphenoxy)-pentanoic acid
11/12/1991CA1291983C Glycosidation catalyst and process for preparing glycoside derivatives
11/12/1991CA1291982C Cobalt-molybdenum thin film catalyst
11/06/1991EP0455304A1 Process for the preparation of cyclic ketones
11/06/1991EP0455257A2 Catalysts for producing 1,3-diols and/or 3-hydroxy-aldehydes, and processes for making and using same
11/06/1991CN1055914A Process for producing unsaturated aldehydes and unsaturayed acids
11/05/1991US5063195 Pore size, selectivity
11/05/1991US5063191 Alkali metal and alkali metal carbonate catalytic systems and catalytic processes
11/05/1991CA2041840A1 Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
10/1991
10/30/1991EP0454376A1 Process for preparing catalysts for producing methacrylic acid
10/30/1991EP0454305A1 Method for manufacture of triethylenediamine
10/30/1991EP0454002A2 Dehydration process
10/30/1991EP0453967A1 Process for the preparation of alkoxylates with a narrow distribution of homologues
10/30/1991EP0453951A1 Process for the preparation of phthalic anhydride from O-xylene
10/30/1991EP0453690A1 Method and catalyst for the dehalogenation of alpha-halogenated carboxylic acids
10/30/1991EP0452348A4 Process for the chlorination of methane
10/30/1991CN1055745A Methylene-crosslinked polyarylamine and process for preparing same
10/30/1991CN1014506B Method of direct process performance improvement via control of silicon manufacture
10/29/1991US5061820 Catalytic oxidation of n-phosphonomethyliminodiacetic acid
10/29/1991US5061670 Process for the preparation of a catalyst capable of promoting the oxidative conversion of methane into higher hydrocarbons and use of catalyst
10/27/1991CA2033881A1 Method for the manufacture of triethylenediamine
10/25/1991CA2040981A1 Preparation of phthalic anhydride from o-xylene
10/24/1991DE4012873A1 Prepn. of singly unsatd. fatty acid or deriv. - by hydrogenating poly-unsatd. fatty acid or deriv. on catalyst contg. palladium salt and nitrogenous aprotic solvent as activator
10/23/1991EP0453367A1 Niobium trisulfide catalyst for hydrotreatment of hydrocarbon containing feed streams and hydrotreatment process using the same
10/23/1991EP0453332A1 Attrition-resistant catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids, particularly in fluid bed reactors
10/23/1991EP0452504A1 N-(3',4'-dimethoxycinnamoyl)anthranilic acid
10/23/1991EP0452363A1 Aluminum fluoride catalyst and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane.
10/23/1991EP0452348A1 Process for the chlorination of methane.
10/23/1991CN1014404B Gas-phase fluorination process
10/22/1991US5059737 Catalytic condensation process
10/22/1991US5059725 One step synthesis of methyl t-butyl ether from t-butanol plus methanol using Group IV oxides treated with sulfates or sulfuric acid
10/22/1991US5059715 Preparation of bis(4-hydroxyphenyl)sulfone
10/22/1991US5059713 Process for the preparation of n-vinyl amides
10/22/1991US5059693 Reductive dehalogenation
10/22/1991US5059573 Process for producing molybdenum-containing metal oxide fluid-bed catalyst
10/22/1991CA2040834A1 Process for the preparation of alkoxylates having a narrow homolog distribution
10/21/1991WO1991016283A1 Environmentally safe catalytic alkylation using liquid onium poly (hydrogen fluorides)
10/16/1991EP0451746A2 Method for the production of fluorine containing ethane derivatives