| Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158) |
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| 09/23/1981 | EP0036292A1 Process for the production of aromatic hydrocarbons |
| 09/23/1981 | EP0036249A1 Shape selective reactions with group VIIA metal modified zeolite catalysts |
| 09/23/1981 | EP0036121A1 Oligo-isobutyl cyclohexane, process for its production and its use |
| 09/22/1981 | US4291189 Alkylation process improvement |
| 09/22/1981 | US4291184 Process for producing tertiary-butylstyrene |
| 09/22/1981 | US4291183 Oxidative dehydrogenation using an aluminum-calcium-cesium phosphate catalyst |
| 09/22/1981 | US4291180 Co-production of indene and styrene |
| 09/16/1981 | EP0035836A1 Shape selective reactions with alkaline earth metal-modified zeolite catalysts |
| 09/16/1981 | EP0035807A1 Process for carrying out catalytic conversions |
| 09/15/1981 | US4289918 Aralkylation |
| 09/09/1981 | EP0035329A1 Prevention of polymer formation in dehydrogenation of p-ethyltoluene |
| 09/08/1981 | US4288647 Shape selective reactions with alkaline earth-modified zeolite catalysts |
| 09/08/1981 | US4288645 Process for the preparation of aromatic hydrocarbons and hydrogen from propane |
| 09/08/1981 | US4288347 Novel catalyst for dealkylating alkyl benzenes and fractions of aromatized benzines by conversion with steam |
| 09/08/1981 | US4288234 Recovery of aromatics from styrene production off-gas |
| 09/02/1981 | EP0034918A1 Shape selective reactions with beryllium-modified zeolite catalysts |
| 09/01/1981 | US4287376 By reacting benzene or an alkybenzene with an aromatic olefin in the presence of a perhaloalkyl sulfonic acid catalyst |
| 09/01/1981 | US4287375 In the presence of steam, wherein heat for the reaction is obtained from a melt of sodium, potassium, and lithium carbonates |
| 09/01/1981 | US4287074 Sec-ylbiphenyl composition and process for preparing the same |
| 09/01/1981 | CA1108114A1 Dehydrogenation catalyst |
| 08/26/1981 | EP0034444A2 Enhancement of zeolite catalytic activity |
| 08/26/1981 | EP0034337A2 A process for the optical resolution of a racemic mixture |
| 08/19/1981 | EP0034054A1 Process for the separation of three components from a mixture by solid-bed adsorption and desorption |
| 08/18/1981 | US4284836 Process for the manufacture of reaction products of conjugated diolefins and aromatic hydrocarbons |
| 08/18/1981 | US4284834 Diethynyl aromatic hydrocarbons which homopolymerize and char efficiently after cure |
| 08/12/1981 | EP0033512A2 Separation of aromatic hydrocarbons from petroleum fractions |
| 08/12/1981 | EP0033376A1 Process for the isomerization of insulated to conjugated double bonds in reaction products from conjugated diolefins and aromatic hydrocarbons |
| 08/11/1981 | US4283587 From a hydrocarbon feed using ion exchanged zeolite which has been treated with an alkyl amine hydrochloride |
| 07/29/1981 | EP0032621A1 Improvement in selective cracking reactions by cofeeding organic amine or ammonia |
| 07/28/1981 | CA1105931A1 Pharmaceutically active (omega-aminoalkoxy) bibenzyls |
| 07/21/1981 | CA1105494A1 Conversion of olefinic naphtha |
| 07/21/1981 | CA1105493A1 Low pressure xylene isomerization |
| 07/14/1981 | US4278827 Alkylation, disproportionation, oxides, 4a |
| 07/14/1981 | US4278824 Dehydrocoupling of toluene |
| 07/14/1981 | CA1105057A1 Oxidation process using metal nitro complex |
| 07/07/1981 | US4277369 Multistage, washing with hydrogen, combustion of coke deposits |
| 06/30/1981 | US4276438 Shape selective reactions with group IB modified zeolite catalysts |
| 06/30/1981 | US4276437 Shape selective reactions involving zeolite catalyst modified with group IIIB metal |
| 06/24/1981 | EP0030837A1 Dehydrocoupling of toluene |
| 06/24/1981 | EP0030796A1 Rejuvenation of alkylation catalyst |
| 06/23/1981 | US4275256 Shape selective reactions with group VIIA metal modified zeolite catalysts |
| 06/23/1981 | US4275253 X or b-benzyl methylnaphthalenes |
| 06/23/1981 | US4274982 Method for maintaining para-selectivity of modified zeolite catalyst |
| 06/23/1981 | CA1103703A1 Ethylation of aromatic compounds |
| 06/23/1981 | CA1103699A1 Alkylates and sulphonic acids and sulphonates produced therefrom |
| 06/16/1981 | US4273906 Triethynylbenzene, arylacetylene, oxygen-carrying amine-cupric salt complex |
| 06/02/1981 | US4271327 Group 8 metal on an aluminum sponge catalyst |
| 06/02/1981 | US4271322 Process for preparation of phenols |
| 06/02/1981 | CA1102357A1 Dehydrocyclization process |
| 05/26/1981 | CA1101824A1 No translation available |
| 05/26/1981 | CA1101633A1 Crystalline borosilicate (ams-1b) and process use |
| 05/19/1981 | CA1101434A1 No translation available |
| 05/12/1981 | US4267388 Process for producing ethynylbenzenes |
| 05/12/1981 | US4267055 Adsorption on macroporous polymer |
| 05/06/1981 | EP0028080A1 Method for maintaining para-selectivity of modified zeolite catalyst |
| 05/05/1981 | US4265788 Adsorbent for separating para-xylene, and process for the preparation thereof |
| 05/05/1981 | CA1100468A1 Zeolite catalyst and method of manufacture and use thereof |
| 04/28/1981 | US4264749 Diphenylalkyl lithium compounds reacted with a diene for the preparation of block polymers |
| 04/22/1981 | EP0027157A1 Process for selective dealkylation of alkyl-substituted aromatic hydrocarbons |
| 04/21/1981 | CA1099697A1 Dehydrocoupling process |
| 04/21/1981 | CA1099695A1 Chromium-free catalyst |
| 04/07/1981 | US4260843 Alkylation |
| 04/07/1981 | US4260520 For oxidative dehydrogenation of ethylbenzene to styrene, oxides of cobalt, phosphorus and molybdenum and/or potassium on support |
| 04/07/1981 | US4260476 Separation of aromatic hydrocarbons from petroleum fractions |
| 04/07/1981 | CA1098919A1 Vapor phase isomerization of methyl-substituted aromatic hydrocarbons |
| 04/07/1981 | CA1098918A1 Isomerization process |
| 04/01/1981 | EP0026154A1 Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use |
| 04/01/1981 | EP0026030A1 Conversion of toluene over zeolite ZSM-48 |
| 04/01/1981 | EP0025919A1 A process for preferentially removing more planar molecules from mixtures with less planar molecules |
| 03/31/1981 | US4259537 Alkylation and transalkylation to give product rich in 1,4-isomer; group 6 oxide |
| 03/31/1981 | CA1098469A1 Hydrogen-producing hydrocarbon conversion with gravity-flowing catalyst particles |
| 03/25/1981 | EP0025765A1 Process for the separation with the aid of sulfon amides of dienic and/or aromatic hydrocarbons from hydrocarbon mixtures containing them |
| 03/24/1981 | US4258181 Bactericides, amtitumor agents, anticarcinogenic agents |
| 03/24/1981 | US4257877 Selective hydrogenation process |
| 03/24/1981 | CA1098104A1 Silica-containing material and manufacture of hydrocarbons catalysed thereby |
| 03/24/1981 | CA1098102A1 Pretreating process for the stabilization of a catalyst for the conversion of aromatic hydrocarbons |
| 03/11/1981 | EP0024930A1 A method of preparing active ion-exchanged zeolite catalysts |
| 03/11/1981 | EP0024804A1 Selective cracking of phenylalkanes |
| 03/10/1981 | US4255606 Improved para- and ortho-xylene isomerization by adding pentane |
| 03/10/1981 | US4255599 Preparation of styrene from ethylbenzene |
| 03/10/1981 | US4255343 Preparation of 2-T-alkylanthracene |
| 03/10/1981 | CA1097311A1 Hydroalkylation using multi metallic zeolite catalyst |
| 03/10/1981 | CA1097310A1 Hydroalkylation process and a composition and process for producing said composition |
| 03/10/1981 | CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same |
| 03/03/1981 | US4254292 Producing an unsaturated dimer from unsaturated aromatic compounds, reacting with an aromatic hydrocarbon using a halogenated alkanesulfonic acid catalyst |
| 03/03/1981 | CA1096890A1 Xylene isomerization |
| 02/25/1981 | EP0024147A1 Production of aromatic hydrocarbons from olefins |
| 02/24/1981 | US4252615 Polymerization inhibitor for vinyl aromatic compounds |
| 02/17/1981 | US4251676 Selective cracking reactions by cofeeding organic amine or ammonia |
| 02/10/1981 | US4250344 Cracking process for styrene |
| 02/03/1981 | US4247987 Continuous countercurrent fluid-solids contacting process stabilized by a magnetic field |
| 01/27/1981 | US4247730 Stable catalyst comprising rhodium oxide on a spinel support of alumina and an oxide of nickel, cobalt, copper, iron, zinc or magnesium |
| 01/27/1981 | US4247729 Process for producing high purity benzene |
| 01/27/1981 | US4247727 Mixed oxides containing bismuth |
| 01/27/1981 | CA1094580A1 Method for the safe disposal of polychlorinated biphenyls |
| 01/27/1981 | CA1094494A1 Hydrocarbon conversion with gravity-flowing catalyst particles |
| 01/22/1981 | WO1981000062A1 Zeolite catalysts |
| 01/21/1981 | EP0022640A1 Improved zeolite catalysts, method for their preparation and their use in the conversion of ethanol into ethylene and of both into higher hydrocarbons |
| 01/21/1981 | EP0022612A1 A process for the removal of cumene from a gaseous stream |
| 01/20/1981 | US4246202 Production of cyclic hydrocarbons from normal octenes |