| Patents for B01J 23 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group (79,164) |
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| 02/07/1991 | DE3925969A1 Verfahren zur herstellung von 2,6-dichlorchinoxalin Process for the preparation of 2,6-dichloroquinoxaline |
| 02/07/1991 | CA2019136A1 Oxidation of carbon monoxide and catalyst therefor |
| 02/06/1991 | WO1991001977A1 Process for preparing 2,6-dicholoroquinoxaline |
| 02/06/1991 | EP0411817A2 Process for preparing N-alkyl-substituted aminophenols |
| 02/06/1991 | EP0411645A2 Method for preparing organohalosilanes |
| 02/06/1991 | EP0411084A1 Synthesis of hydrocarbyl amines. |
| 02/06/1991 | EP0410977A1 Economic recovery and utilization of boiler flue gas pollutants |
| 02/06/1991 | CN1049011A Ester production by hydrogenation of carboxylic acids and anhydrides |
| 02/06/1991 | CA2064564A1 Process for preparing 2,6-dicholoroquinoxaline |
| 02/05/1991 | US4991181 Platinum group metal, reducible metal oxide and compound which can bind water to its structure |
| 02/05/1991 | US4990690 Process for preparing aromatic polyhydric alcohol |
| 02/05/1991 | US4990663 Mixing 3,4-dichloroaniline with an amine compound to improve storage stability and minimize dechlorination |
| 02/05/1991 | US4990662 Process for preparation of alpha, beta-unsaturated acids |
| 02/05/1991 | US4990655 Vapor phase hydrogenation using noble metal-rhenium catalyst |
| 02/05/1991 | US4990481 Aluminum oxide carrier with nickel oxide |
| 02/05/1991 | US4990480 Dispersing source of boria, alumina, rare earth oxides, drying, calcining; used as catalysts, laser materials |
| 02/05/1991 | US4990266 Process for removing the nitrite and/or nitrate content in water |
| 02/05/1991 | US4990243 Process for hydrodenitrogenating hydrocarbon oils |
| 02/05/1991 | US4990222 Conveying through extruder, vaporizing, drawing off and condensing; efficiency, safety |
| 02/05/1991 | CA1279862C High surface area dual promoted iron/manganese spinel compositions |
| 02/05/1991 | CA1279861C Catalyst assembly |
| 01/30/1991 | EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones |
| 01/30/1991 | EP0410440A1 Catalyst for purification of gases from overstoichiometric process in combustion motors and gas turbines |
| 01/30/1991 | EP0409834A1 Process for the co-production of aromatic carboxylate and alkyl iodides |
| 01/30/1991 | CN1048843A Process of oxidizing aliphatic hydrocarbons employing alkali-promoted molybdate catalyst |
| 01/29/1991 | US4988661 Steam reforming catalyst for hydrocarbons and method of producing the catalyst |
| 01/29/1991 | US4988660 Double perovskite catalysts for oxidative coupling |
| 01/29/1991 | US4988658 Dimerization process and catalysts therefor |
| 01/29/1991 | US4988494 Desulfurization hydrogen sulfide gas or sulfur dioxide, oxidation, multistage, oxidation catalysts |
| 01/29/1991 | US4988484 High efficiency ozone generator for sterilizing, bleaching and the like |
| 01/29/1991 | US4988434 Demetallization to remove vanadium or nickel from petroleum distillates using active carbon supported vanadium catalyst |
| 01/29/1991 | CA2022154A1 Aqueous reduction process for halo-nitro-phenols |
| 01/29/1991 | CA1279657C Process for making 1,3-glycols from epoxides |
| 01/28/1991 | WO1991001964A1 Ester production by hydrogenation of carboxylic acids and anhydrides |
| 01/28/1991 | CA2036380A1 Ester production by hydrogenation of carboxylic acids and anhydrides |
| 01/23/1991 | EP0409517A1 Process for decomposition of methanol |
| 01/23/1991 | EP0409355A1 Process of oxidizing aliphatic hydrocarbons in the presence of a solid heterogeneous catalyst and catalyst |
| 01/23/1991 | EP0409353A1 Catalyst and process for the selective oxidation of hydrogen sulphide to elemental sulphur |
| 01/23/1991 | EP0409172A2 Process for dimerizing aromatic halogen compounds |
| 01/23/1991 | EP0409162A1 Dimerization process and catalysts thereof |
| 01/23/1991 | EP0409086A1 One-step liquid phase process for dimethyl ether synthesis |
| 01/23/1991 | EP0409018A2 Electrodes for electrical ceramic oxide devices |
| 01/23/1991 | EP0408644A1 Process for preparation of an oxyacetic acid/hydroxyethyl ether compound. |
| 01/23/1991 | EP0305418B1 Process for recovering platinum group metals |
| 01/23/1991 | CN1048699A Process for preparing 1,1,1,2-tetrafluoroethane |
| 01/22/1991 | US4987270 From benzylalcohol or derivative and n-propanol; alkali metal hydroxide catalyst |
| 01/22/1991 | US4987265 Process for the preparation of benzaldehyde in the gas phase |
| 01/22/1991 | US4987260 Amination of phenols with alumina catalyst having ink bottle shaped pores |
| 01/22/1991 | US4987256 Hydration of cyanhydrin using modified manganese dioxide catalyst |
| 01/22/1991 | US4987251 Cyclization and rearrangement of chlorketone with aqueous base |
| 01/22/1991 | US4987114 Solid base and process for producing the same for preparing internal olefins |
| 01/22/1991 | US4987113 Dissolving catalyst poisons from laterite by washing with water |
| 01/22/1991 | US4987112 Molybdenum silicide and palladium on alumina |
| 01/19/1991 | CA2020929A1 One-step liquid phase process for dimethyl ether synthesis |
| 01/18/1991 | CA2021277A1 Electrodes for electrical ceramic oxide devices |
| 01/17/1991 | DE4021230A1 Alcohol prepn. - by hydrogenating carboxylic acid ester cpds. in presence of copper and zirconium contg. catalyst |
| 01/17/1991 | CA2019043A1 Dimerization process and catalysts therefor |
| 01/16/1991 | EP0408528A1 Preparation process of an oxidation catalyst for gas decomposition |
| 01/16/1991 | EP0408318A1 Liquid phase isomerization of alkanes |
| 01/16/1991 | EP0408118A1 Electrochemical cell |
| 01/16/1991 | EP0408005A1 Process for preparing 1,1,1,2-tetrafluoroethane |
| 01/16/1991 | EP0407961A1 Method for the production of 1,1,1-trifluoro-2-chloroethane |
| 01/16/1991 | EP0407915A2 Catalyst for purification of exhaust gases |
| 01/16/1991 | EP0407809A1 Preparation process of a catalytically active layer for the manufacture of cyanhydric acid |
| 01/16/1991 | EP0407471A1 A catalytic method for concentrating isotopes |
| 01/16/1991 | CN1048539A Process and catalyst for production of ethylene and acetic acid |
| 01/16/1991 | CN1011232B Improved aldehyde hydrogenation catalyst and process |
| 01/15/1991 | US4985592 Catalytic oxidation of acrolein or methacrolein |
| 01/15/1991 | US4985581 Catalyst and process for producing aromatic nitriles |
| 01/15/1991 | US4985580 Alkylation of silanes |
| 01/15/1991 | US4985572 Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters |
| 01/15/1991 | US4985553 Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained |
| 01/15/1991 | US4985387 Catalyst supports/catalysts for the treatment of vehicular exhaust gases |
| 01/15/1991 | US4985385 Method of preparing a catalyst precursor comprised of calcined nickel-aluminum feitknecht compound/non-calcined alumino-silicate clay/alkaline earth and/or rear earth metal compound |
| 01/15/1991 | US4985210 Exhaust gas purifying apparatus for automobile |
| 01/15/1991 | CA1279095C Rechargeable electrochemical cell with a negative electrode comprising a hydrogen absorbing alloy including rare earth component |
| 01/10/1991 | WO1991000262A1 Method of preparing n-alkyl-haloanilines |
| 01/10/1991 | WO1991000241A1 Photopromoted method for decomposing oxides of nitrogen into environmentally compatible products |
| 01/10/1991 | WO1991000143A1 Oxidic heterogeneous catalysts of osmium, method for manufacturing them and their use in converting olefinic compounds into glycols |
| 01/10/1991 | DE4021570A1 Heat resistant supported catalyst - esp. for cleaning automobile exhaust gases |
| 01/09/1991 | EP0407256A1 Process for obtaining nucleophilic substitutions |
| 01/09/1991 | EP0407210A1 Method of decomposing chlorofluorocarbons |
| 01/09/1991 | EP0407117A1 Novel platinum reforming catalysts and support materials |
| 01/09/1991 | EP0407116A1 Novel platinum-tin containing reforming catalysts and reforming process |
| 01/09/1991 | EP0407115A1 Novel platinum agglomerated iridium catalysts and reforming process |
| 01/09/1991 | EP0407091A1 Process and catalyst for the production of ethylene and acetic acid |
| 01/09/1991 | EP0406742A1 Process for the preparation of cis-dihydronopol |
| 01/09/1991 | EP0406633A2 Synthetic coarse ironoxide, process for its preparation and its use |
| 01/09/1991 | CN1048338A Alkylene oxide catalysts having enhanced activity and/or stability |
| 01/08/1991 | US4983776 Process for the preparation of functional fluoro derivatives |
| 01/08/1991 | US4983759 REACTING A BUTYRONITRILE DERIVATIVE WITH a-HALOACETATE |
| 01/08/1991 | US4983565 Using tungsto(or molybdo)silicic acid on titanium dioxide support |
| 01/08/1991 | US4983557 Process for preparing a high-density and middle-porosity catalyst, supported on a siliceous matrix, based on vanadium |
| 01/08/1991 | US4983261 Method of applying a catalyst layer consisting of precious metals and/or precious metal compounds to a substrate of ceramic material |
| 01/08/1991 | US4983194 Production of high purity argon |
| 01/06/1991 | CA2020306A1 Synthetic coarse particled iron oxide, a process for its preparation and its use |
| 01/05/1991 | CA2019509A1 Process and catalyst for the production of ethylene and acetic acid |
| 01/04/1991 | CA2019848A1 Platinum reforming catalysts and support material |
| 01/03/1991 | DE4009575A1 Supported catalyst for carbon mon:oxide oxidn., esp. in exhaust gas |
| 01/03/1991 | DE3920917A1 Oxidische heterogenkatalysatoren des osmiums, verfahren zu ihrer herstellung und ihre verwendung fuer die ueberfuehrung von olefinischen verbindungen in glykole Oxidic heterogeneous catalysts of osmium, process for their production and their use for the Overpass of olefinic compounds in glycols |