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)
04/1991
04/21/1991CA2026904A1 Preparation of hydroxyanthraquinones
04/20/1991WO1991005733A1 Process for the improvement of the sulphur yield of a sulphur production assembly which includes a sulphur plant and an oxidation and hydrolysis unit with a purification unit using a gas containing h2s
04/18/1991WO1991003472A3 Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes
04/17/1991EP0423070A2 Process for preparing substituted phenols
04/17/1991EP0423010A1 Method for the production of alkoxybenzaldehydes
04/17/1991EP0423009A1 Process for the preparation of 2,2-difluoro-1,3-benzodioxole
04/17/1991EP0422986A1 Process for the preparation of dielectric fluids
04/17/1991EP0422788A1 Haloethylation of aromatic hydrocarbons
04/17/1991EP0422523A2 Process for the preparation of cyclic carbonates
04/17/1991EP0422098A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
04/17/1991EP0396740A4 Slurry catalysts for hydroprocessing heavy and refractory oils
04/17/1991CN1050713A Continuous synthesis of mercaptocarboxylic acid esters
04/16/1991US5008480 Process for converting toluene and butadiene to styrene and 1-pentene
04/16/1991US5008477 Decabromodiphenyl alkane process
04/16/1991US5008451 Producing carboxylic anhydrides by reacting a carboxylic ester with carbon monoxide using a phodium catalyst, iodide promoter, proton donor and anhydrous conditions
04/16/1991US5008233 Reacting alumina with ammonium hexafluorosilicate
04/16/1991US5008046 Process for the continuous esterification of fatty acids
04/16/1991CA1283124C Keratinic fiber dye composition having a 2-nitro-metaphenylenediamine base, process for its preparation and novel 2-nitro-metaphenylenediamine used
04/16/1991CA1283117C 1-hydroxypyrazole-4-carboxylic acid, its preparation and its use
04/11/1991WO1991005752A1 Halocarbon hydrogenolysis
04/11/1991CA2067370A1 Halocarbon hydrogenolysis
04/10/1991EP0421831A1 Continuous synthesis of esters of mercaptocarboxylic acids
04/10/1991EP0421830A1 Process for the preparation of 1,1,1-chlorodifluoroethane
04/10/1991EP0421759A2 Method for producing 1-indanone derivatives
04/10/1991EP0421749A2 3-Aroyl-2-oxindole-1-carboxamides
04/10/1991EP0421679A1 Process for the preparation of glycol ethers
04/10/1991EP0421678A1 Process for the preparation of catalysts
04/10/1991EP0421677A1 Process for the preparation of glycol ethers
04/10/1991EP0420932A1 Catalyzed hydrofluorination of alkenes.
04/10/1991EP0420916A1 Catalyzed hydrofluorination process.
04/10/1991CA2027014A1 Process for preparing 3-alkoxy-3-hydroxybenzaldehyde
04/09/1991US5006648 Process for preparing partial polyol fatty acid esters
04/09/1991CA1282797C Process for preparing bisphenol a
04/09/1991CA1282794C Process for preparing hydroxylamines and products thus obtained
04/09/1991CA1282790C Recovery of a (trifluoromethyl)-naphthalene
04/09/1991CA1282789C Process for the co-production of aromatic carboxylates and alkyl iodides
04/09/1991CA1282788C Industrial process for the preparation of aminoacids by protein hydrolysis in an acid medium
04/05/1991CA2026138A1 Process for the preparation of catalysts
04/05/1991CA2026116A1 Process for the preparation of glycol ethers
04/04/1991WO1991004241A1 Strontium and/or barium-containing catalysts for oxidative coupling processes
04/04/1991WO1991004238A1 Vapor phase modifiers for oxidative coupling
04/04/1991WO1991004237A1 Low temperature catalysts for oxidative coupling processes
04/04/1991WO1991004236A1 High ethylene to ethane processes for oxidative coupling
04/03/1991EP0420709A1 Purification of 1,1-dichloro-1-fluoroethane
04/03/1991EP0420652A1 Slurry hydrotreating process
04/03/1991EP0420651A1 Slurry hydroprocessing staged process
04/03/1991EP0420356A2 Control of isomer distribution in a chlorination process
04/03/1991EP0420048A1 Process for the obtention of methacrolein and methacrylic acid
04/03/1991EP0420025A2 Process for the preparation of phenolic antioxidants
04/03/1991EP0419631A1 A process for synthesising 9,9-bis(4-hydroxyphenyl) fluorene.
04/03/1991CN1050385A Process and intermediates for preparing compounds having disubstituted acetylene moiety and retinoic acid-like biological activity
04/03/1991CN1050340A Catalyst for catalytic gas-phase oxidation of olefins to unsaturated aldehydes
04/02/1991US5004859 Refractory oxide support, Friedel-Crafts metal halide, platinum group metal
04/02/1991US5004849 Manufacture of perchloroethylene and trichloroethylene by catalytic oxychlorination, and improved catalysts therefor
04/02/1991US5004830 Process for oxidation of alkyl aromatic compounds
04/02/1991US5004709 Catalyst support
04/02/1991US5004568 Reacting With Carbon Monoxide Using A Group 8 Noble Metal Halide Catalyst And A Group 1B Metal Halide
04/02/1991CA1282426C PROCESS FOR PREPARING TRANS-.beta.-BENZOYLACRYLIC ACID ESTER
04/02/1991CA1282422C Process for preparing vinyl-tri-(tertiary- substituted)alkoxysilanes
03/1991
03/29/1991CA2025466A1 Slurry hydroprocessing staged process
03/29/1991CA2025220A1 Slurry hydrotreating process
03/27/1991EP0419266A1 Slurry hydroprocessing process
03/27/1991EP0419265A1 A process for converting and upgrading organic resource materials in aqueous environments
03/27/1991EP0419132A2 Process and intermediates for preparing compounds having a disubstituted acetylene moiety and retinoic acid-like biological activity
03/27/1991EP0419077A2 Synthesis of low molecular weight ethylene propylene glycol ethers via olefin addition to the corresponding glycol
03/27/1991EP0418975A1 Low temperature catalysts for oxidative coupling processes
03/27/1991EP0418974A1 Silver-containing catalysts for oxidative coupling
03/27/1991EP0418972A1 Strontium and/or barium-containing catalysts for oxidative coupling processes
03/27/1991EP0418971A1 High ethylene to ethane processes for oxidative coupling
03/27/1991EP0418970A1 Vapor phase modifiers for oxidative coupling
03/27/1991EP0418764A2 A process for producing a carbonyl compound
03/27/1991EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane
03/27/1991EP0418280A1 Method of preparing aryl esters of acetic acid.
03/27/1991CN1050181A Process for preparing acrolein through gaseous catalytic oxidation propylene
03/26/1991US5003109 Reaction mixtures from phenol synthesis, copper compound
03/26/1991US5003099 Nitrosation of cyanoacetic acid ester; catalytic hydrogenation, ammoniation
03/26/1991US5002752 Trimetallic oxide/sulfide catalyst for hydrorefining catalyst
03/26/1991CA1282075C Process for preparing hexenedioate esters
03/23/1991CA2025045A1 Slurry hydroprocessing process
03/20/1991EP0417723A2 Process for the preparation of acrolein by the catalytic gasphase oxydation of propylene
03/20/1991EP0417722A1 Catalyst for catalytically oxidising olefins in the gas phase in unsaturated aldehydes
03/20/1991EP0417187A1 Ruthenium-catalyzed production of cyclic sulfates
03/20/1991EP0324847A4 Preparation of bis (amine-containing) benzenediols
03/20/1991EP0299026B1 Process for the co-production of aromatic carboxylates and alkyl iodides
03/20/1991CN1050019A Method for production of 1,3-dioxolanes
03/20/1991CN1049982A Improved boron phosphate catalyst for production of dienes from aldehydes
03/20/1991CA2025614A1 High ethylene to ethane process for oxidative coupling
03/20/1991CA2025613A1 Strontium and/or barium-containing catalysts for oxidative coupling process
03/20/1991CA2025603A1 Silver-containing catalysts for oxidative coupling
03/20/1991CA2025595A1 Low temperature catalysts for oxidative coupling processes
03/20/1991CA2025581A1 Vapor phase modifiers for oxidative coupling
03/19/1991US5001290 Production of dichlorobenzene with high para to ortho ratios
03/19/1991US5001265 Aqueous reduction process for halo-nitro-phenols
03/19/1991US5001260 Tetracarboxylic acids
03/19/1991US5001242 Process for the preparation of 4-methylenetetrahydropyran
03/19/1991US5001102 Heterogeneous catalysts
03/13/1991EP0416906A2 Method of removing hydroperoxides from lubricating oils
03/13/1991EP0416874A1 Process for improving thermal stability of synthetic lubes
03/13/1991EP0416674A1 Process of making polyalkylene polyamines
03/13/1991EP0416415A1 Process for upgrading of antimony halide catalyst solutions