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)
07/1991
07/23/1991US5034117 Process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming
07/23/1991CA1286691C Process for preparing vinylaminosilanes
07/19/1991WO1991010636A1 Method of preparation of ketones
07/19/1991CA2074192A1 Method of preparation of ketones
07/18/1991CA2033952A1 Process for the synthesis of amides from vinyl acetate
07/17/1991EP0437270A1 Transfer of catalyst
07/17/1991EP0437187A2 Process for the preparation of esters of hydroxyphenylpropanoic acid
07/17/1991EP0437087A1 Process for preparing an oxidation catalyst with modified platinum structure
07/17/1991EP0437058A1 Formation of hydroxyaromatic ketoacetal from an hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and D-p-hydroxyphenylglycine from 4-hydroxyacetophenone
07/17/1991EP0437056A2 Catalyst and process for the manufacture of acrylonitrile and methacrylonitrile
07/17/1991EP0436903A1 Process for preparing pentafluorodichloropropanes
07/17/1991CN1013200B Alumina treated by silicon and/or fluorine
07/16/1991US5032564 Vanadium oxide and phosphoric acid to produce vanadyl pyrophosphate oxidation catalyst
07/16/1991CA1286293C 3-phenyl-4-cyanopyrrole derivatives and microbicidal compositions containing them
07/16/1991CA1286279C Boron-promoted reducible metal oxides and methods for their use
07/12/1991CA2033846A1 Process for the preparation of hydroxyphenylpropionic acid esters
07/11/1991WO1991009608A1 Pharmaceutical preparation for controlling pathogenic intestinal bacteria
07/10/1991EP0436234A2 Method for preparing organohalosilanes
07/10/1991EP0436233A1 Method for preparing organohalosilanes
07/10/1991EP0435989A1 Process for the preparation of aromatic nitriles.
07/10/1991CN1052845A Process for synthesising benzyltoluene bibenzyltoluene of low chlorine content
07/09/1991US5030789 Catalytic method for the dimerization, codimerization or oligomerization of olefins with the use of an autogenous thermoregulation fluid
07/09/1991US5030778 Catalytic bromination of diphenylalkane
07/09/1991US5030766 Reacting An Epoxide With Carbon Monoxide And Hydrogen In The Presence Of A Rhodium-Containing Catalyst
07/09/1991US5030752 Chemical intermediates
07/09/1991US5030746 Sterically hindered aminohydrocarbylsilanes and process of preparation
07/09/1991US5030740 From difunctional aliphatic alcohol and an amine, tungsten oxide or tungstate catalyst
07/09/1991US5030437 Selenide and/or sulfide salt mixture; sweetening natural gas
07/09/1991US5030431 Reacting aluminum salts and phosphate salts, neutrilizing with base, exchanging with acetone, alcohol or ethyl acetate and drying
07/09/1991US5030372 Catalytic equilibration to improve the relative yield of selected halocarbons
07/09/1991US5030284 Binders
07/09/1991CA2033782A1 Process for preparing pentafluorodichloropropanes
07/09/1991CA2032967A1 Oxidation catalyst with modified platinum structure
07/04/1991WO1991009830A1 Method for preparing citral
07/03/1991EP0435844A1 Substituted pyridine compounds
07/03/1991EP0435737A1 Process for the synthesis of benzyltoluene and dibenzyltoluene with low chlorine content
07/03/1991EP0435705A1 Process for the selective hydrogenolysis of perhalogeno-ethanes
07/03/1991EP0435687A2 Process for isomerization of oxime ethers
07/03/1991EP0435445A1 Method for preparing alpha beta-unsaturated nitriles
07/03/1991EP0435263A1 Production of p-acetylamino-phenol from p-aminophenyl acetate
07/03/1991EP0434962A1 Hinged lid package, especially for cigarettes
07/03/1991EP0416016A4 Gas-phase fluorination process
07/03/1991CN1052663A Amines catalysis using group vib metal-containing condensation catalysts
07/03/1991CN1052662A Amines catalysis using metallic phosphate condensation catalysts having cyclic structure
07/03/1991CN1052661A Amines catalysis using metallic polyphosphate condensation catalysts having condensed structure
07/03/1991CN1052639A Hinge lid pack, especially for cigarettes
07/02/1991CA1285580C Process for the co-production of aromatic carboxylates and alkyl iodides
07/02/1991CA1285574C Process for preparing sertraline intermediates
06/1991
06/28/1991CA2033012A1 Substituted pyridine compounds
06/28/1991CA2032974A1 Process for the preparation of glycosylanthracyclinones
06/27/1991WO1991009020A2 PRODUCTION OF 5-(4'-HYDROXYPHENYL)HYDANTOIN AND D-p-HYDROXYPHENYLGLYCINE FROM 4-HYDROXYACETOPHENONE
06/26/1991EP0434517A2 Process for the preparation of mono- or poly-alkoxylated aromatic compounds
06/26/1991EP0434516A2 Process for the preparation of mono- or poly-alkoxylated aromatic compounds
06/26/1991EP0434409A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0434408A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0434407A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0434343A1 Process for preparing ibuprofen and its alkyl esters
06/26/1991EP0433506A1 Catalytic process for the preparation of linear polyethylenepolyamines using a titania-supported phosphamine catalyst
06/25/1991US5026926 Chlorination of ortho-chlorophenol
06/25/1991US5026925 Hydroxylation of phenol using hydrogen peroxide
06/25/1991US5026924 Process for production of 1,2,2,2-tetrafluoroethyl difluoromethyl ether
06/25/1991US5026911 Process for oxidizing saturated primary amines to oximes
06/25/1991US5026894 Spirobifluorene compounds
06/25/1991US5026880 Method for production of 1,3-dioxolanes
06/25/1991US5026605 With copper or manganese compound
06/25/1991US5026473 Transition metal tris-dithiolene and related complexes as precursors to active catalysts
06/25/1991CA1285283C Tricyclo (6.2.1.0 , )undecanes useful as fragrance chemicals
06/24/1991WO1991009854A1 Process for the production of 3-thienyl malonic acid dialkyl esters
06/24/1991CA2072019A1 Process for the preparation of dialkyl 3-thienylmalonates
06/21/1991CA2032580A1 Process for preparing aromatic mono or polyalkoxylated derivatives
06/19/1991WO1991009044A1 Novel 1-triacontanol derivatives
06/19/1991WO1991009011A1 Process for sulfating unsaturated alcohols
06/19/1991WO1991009003A1 Catalytic method to produce hydroxy substituted arylophenones
06/19/1991EP0433191A1 Process for preparing 1,6-hexendioic acids from butendiol
06/19/1991EP0433190A1 Process for preparing 1,6-hexendioic acids
06/19/1991EP0433189A1 Process for the preparation of diesters of hexenedioic acid
06/19/1991EP0432949A2 Production of polyalkylene glycol ethers
06/19/1991EP0432541A2 Process for preparing alpha-omega alkanoic dicarboxylic acids
06/19/1991EP0432505A2 Process for the preparation of pure cyclic diarylphosphoric acid esters
06/19/1991EP0432504A1 Process for preparing 1-(aminomethyl)cyclohexane acetic acid
06/19/1991EP0432496A2 Preparation of hypericin
06/19/1991CN1052299A Method for removing hydrogen fluoride from mixtures comprising aromatic ketones
06/19/1991CA2069630A1 Catalytic method to produce hydroxy substituted arylophenones
06/19/1991CA2047246A1 1-triacontanol derivatives
06/19/1991CA2031340A1 Process for preparing ibuprofen and its alkyl esters
06/18/1991US5025112 Purification of cumene recycle streams
06/18/1991US5025108 Process for producing olefins from natural gas
06/18/1991US5024751 Catalytic composition comprising a metal sulfide suspended in a liquid containing asphaltenes and hydrovisbreaking process of a hydrocarbon charge
06/18/1991CA1284999C Process for preparing halogenated trialkyl phosphate esters
06/16/1991CA2031689A1 Selective hydrogenolysis of perhalogenated ethane derivatives
06/13/1991WO1991008185A1 Process for producing methacrolein and methacrylic acid
06/12/1991EP0432021A1 Intermediates, procedure for their preparation and their use in the synthesis of vitamins A and E
06/12/1991EP0432006A2 Process for hydroxylating phenols and phenol ethers
06/12/1991EP0431871A2 A process for the preparation of ketones
06/12/1991EP0431869A2 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones
06/12/1991EP0431841A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/12/1991EP0431794A2 3-Fluorosulfonyloxyceph-3-EM displacement process
06/12/1991EP0431631A2 BF3 removal from BF3 catalyzed olefin oligomer
06/12/1991EP0431487A1 Process for preparing 3,4'-dichlorodiphenyl-ether
06/12/1991EP0431294A2 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride