| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) |
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| 10/11/1983 | US4409413 Conversion of xylenes containing ethyl benzene |
| 10/11/1983 | US4409403 Oxyalkylation process |
| 09/28/1983 | EP0089761A1 Passivated catalytic rich gas reforming catalysts |
| 09/21/1983 | EP0089310A1 Thermal cracking method for preparing olefins from hydrocarbons |
| 09/20/1983 | US4405503 Production of zeolite agglomerates |
| 09/13/1983 | US4404087 With germanium, tin, and antimony compounds |
| 09/07/1983 | EP0087720A1 Crystalline aluminosilicate zeolite |
| 09/06/1983 | US4403044 Process for carrying out catalytic conversions |
| 09/06/1983 | US4402870 Catalyst carrier |
| 08/31/1983 | EP0087017A1 Process for producing a crystalline silicate |
| 08/24/1983 | EP0086461A1 A process for reducing the formation of coke in a thermal cracking process and antifoulant composition |
| 08/23/1983 | US4400571 Silica polymorph catalyst |
| 08/17/1983 | EP0086100A1 Method to extend life of iron oxide-containing catalysts using low levels of oxygen |
| 08/16/1983 | US4399051 Combustion, ammoniation, chlorination |
| 08/09/1983 | US4397740 Method and apparatus for cooling thermally cracked hydrocarbon gases |
| 07/27/1983 | EP0084151A1 Process for the preparation of olefines |
| 07/26/1983 | CA1150712A1 Process for the production of crystalline aluminosilicates and their use as catalysts and catalyst supports |
| 06/28/1983 | US4390457 Mixing aluminum and silicon oxides, cation and 2-aminopyridine in basic solution and crystallization |
| 06/22/1983 | EP0081683A1 Process for the production of olefins by conversion of methanol and (or) dimethyl ether |
| 06/21/1983 | CA1148569A1 Aromatics processing |
| 06/07/1983 | US4387261 Dealkylation and hydrogenation using zeolite zsm-12 and high temperature and pressure |
| 05/31/1983 | CA1147353A1 Process for isomerising xylenes |
| 05/25/1983 | EP0079565A1 Preparation of catalyst systems containing at least one metal and a solid carrier of silica or zeolite |
| 05/24/1983 | CA1146923A1 Method for preparing crystalline zeolite, zeolites prepared thereby, catalysts containing them and use of such catalysts |
| 05/17/1983 | US4384160 Prequench of cracked stream to avoid deposits in downstream heat exchangers |
| 04/26/1983 | US4381415 Process for dealkylating aromatic hydrocarbons in the presence of steam |
| 04/19/1983 | CA1144949A1 Selective cracking of phenylalkanes |
| 04/12/1983 | CA1144572A1 Process for preparation of phenols |
| 03/29/1983 | CA1143753A1 Selective cracking reactions by cofeeding organic amine or ammonia |
| 03/22/1983 | US4377503 Reduction of metallic zeolite component in the presence of an unsaturated hydrocarbon compound |
| 03/09/1983 | EP0073718A1 Method of preparing bridged clays |
| 02/15/1983 | US4374296 Isomerization of paraffin hydrocarbons using zeolites with high steam-enhanced acidity |
| 02/01/1983 | US4371944 Ethylene process control |
| 02/01/1983 | US4371721 Selective cracking of disubstituted benzenes having polar substituents |
| 01/11/1983 | CA1139292A1 Enhanced catalysts for water dealkylating aromatic hydrocarbons |
| 12/28/1982 | US4366135 From diethylpiperidinium hydroxide or salt, sodium compound, aluminum and/or gallium compound, silicon and/or germanium compound |
| 12/14/1982 | CA1137522A1 Method of producing olefins from hydrocarbons |
| 12/14/1982 | CA1137521A1 Fired process heater |
| 12/07/1982 | US4362653 Hydrocarbon conversion catalyst |
| 12/07/1982 | CA1137119A1 Separation of benzene in dealkylation processes |
| 12/07/1982 | CA1137118A1 Process for producing aromatic hydrocarbons |
| 11/10/1982 | EP0064372A1 Silica-containing catalytic composite and hydrocarbon conversion processes using it |
| 09/28/1982 | US4351979 Manufacture of aromatic compounds |
| 08/31/1982 | US4347398 Process for preparation of 1-methyl-3,5-diisopropyl benzene |
| 07/27/1982 | CA1128549A1 Production of 3-methylphenol |
| 07/20/1982 | US4340504 Catalyst for a process for dealkylating aromatic hydrocarbons in the presence of steam |
| 07/06/1982 | CA1127187A1 Process for the preparation of methane and ethane |
| 07/06/1982 | CA1127135A1 Crystalline aluminosilicate zeolite, synthesis and use thereof |
| 06/02/1982 | EP0053004A2 Improvements relating to the production of zeolite agglomerates |
| 06/02/1982 | EP0052894A1 Reforming catalysts and use thereof |
| 06/01/1982 | CA1124703A1 Water desalkylation catalysts for aromatic hydrocarbons |
| 05/25/1982 | US4331825 Decarbonylation of the catalyst to metal clusters |
| 05/25/1982 | US4331566 Manganese oxide, group 2a and 8 metal oxides, alumina carrier |
| 05/25/1982 | CA1124225A1 Aromatic hydro-carbon desalkylation with a water based catalyst |
| 05/12/1982 | EP0051318A1 A catalyst composition containing as catalytically active components alumina and a cristalline Aluminosilicate zeolite, a process for isomerizing xylenes and ethylbenzene, and use of this catalyst composition |
| 05/11/1982 | US4329150 Method and apparatus for control and optimization of pyrolysis furnace with multiple parallel passes |
| 04/27/1982 | US4326994 Treatment with water |
| 04/20/1982 | US4325842 Process for preparing a supported molybdenum carbide composition |
| 04/20/1982 | CA1122228A1 Selective reaction of 1,4-disubstituted benzene compounds |
| 04/13/1982 | US4324940 Preferential reaction of smaller and linear olefins |
| 04/13/1982 | US4324649 Heating hydrocarbons by heat exchanging with combustion gases |
| 03/30/1982 | US4322560 Process for controlling highly exothermic hydroperoxide decomposition |
| 03/17/1982 | EP0047359A1 Heating hydrocarbons in a tubular heater |
| 03/16/1982 | US4320242 Using a hydrodealkylation catalyst of an aluminosilicate containing a noble metal |
| 03/02/1982 | US4317949 Reaction of aromatic compound and olefin using a solid acid catalyst; dealkylation; isomerization |
| 02/23/1982 | US4316997 Alkylation process and apparatus useful therein |
| 02/17/1982 | EP0046005A2 Preparation of improved phenylalkylsulfonates |
| 02/02/1982 | US4314091 Preparation of 1-methyl-3,5-diisopropyl benzene from charge streams containing diisopropyl toluene |
| 01/19/1982 | US4311614 Catalysts for water dealkylation of aromatic hydrocarbons |
| 01/13/1982 | EP0043562A1 Crystalline metallophosphate compositions |
| 01/12/1982 | US4310715 Activated catalyst |
| 01/12/1982 | US4310440 Crystalline metallophosphate compositions |
| 12/30/1981 | EP0042754A1 Conversion of xylenes containing ethyl benzene |
| 12/22/1981 | CA1114842A2 Catalyst and process for conversion of hydrocarbons |
| 12/01/1981 | US4303551 Supported catalyst |
| 11/10/1981 | US4300013 Zeolites |
| 11/10/1981 | US4300007 Method for preparing C3 -C4 olefins and vinylaromatic compounds |
| 11/10/1981 | CA1112253A1 Isomerisation of alkyl aromatics using a gallium containing aluminosilicate catalyst |
| 11/03/1981 | US4298547 Selective cracking of 2-phenylalkane isomer with zeolite |
| 10/27/1981 | US4297245 The reaction of hydrogen and a hydrocarbon using a group 8 metal uniformly distributed on a catalyst support |
| 10/27/1981 | US4297204 Thermal cracking with post hydrogenation and recycle of heavy fractions |
| 10/20/1981 | CA1111075A1 Production of ethylene |
| 10/14/1981 | EP0037671A1 Shape selective acid catalyzed reactions of olefins over crystalline zeolites |
| 09/30/1981 | EP0036704A2 Improved aromatics processing |
| 09/23/1981 | EP0036151A1 Process for thermally decoking coolers for cracked gases |
| 09/22/1981 | US4291188 Process for the preparation of methane and/or ethane |
| 09/16/1981 | EP0035807A1 Process for carrying out catalytic conversions |
| 09/08/1981 | US4288347 Novel catalyst for dealkylating alkyl benzenes and fractions of aromatized benzines by conversion with steam |
| 08/26/1981 | EP0034444A2 Enhancement of zeolite catalytic activity |
| 08/25/1981 | US4285837 Nickel oxide on alumina |
| 08/11/1981 | US4283584 Manufacture of aromatic compounds |
| 07/29/1981 | EP0032621A1 Improvement in selective cracking reactions by cofeeding organic amine or ammonia |
| 07/21/1981 | US4279734 Quench Process |
| 07/07/1981 | US4277636 Process for preparing high density fuels |
| 07/07/1981 | US4277369 Multistage, washing with hydrogen, combustion of coke deposits |
| 06/24/1981 | EP0030811A1 Process for the production of crystalline aluminosilicates and their use as catalysts and catalyst supports |
| 06/02/1981 | US4271322 Process for preparation of phenols |
| 06/02/1981 | US4271008 Hydropyrolysis |
| 05/20/1981 | EP0028835A1 Method of preparing a gas containing a high portion of methane |
| 05/13/1981 | EP0028516A2 Method for preparing crystalline zeolite, zeolites prepared thereby, catalysts containing them and use of such catalysts |