| Patents for C07C 11 - Acyclic unsaturated hydrocarbons (14,240) |
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| 11/10/1981 | US4299800 Catalyst selectivity |
| 11/04/1981 | EP0039105A1 Process for recovery of an aliphatic diol oligomerization solvent |
| 11/03/1981 | US4298955 Method of and apparatus for the detection and analysis of hazards |
| 10/28/1981 | EP0038479A1 Catalysts for the oligomerisation of olefines |
| 10/27/1981 | US4297204 Thermal cracking with post hydrogenation and recycle of heavy fractions |
| 10/21/1981 | EP0038129A1 Process for the hydrolysis of glycol dialkyl ether to a monoalkyl ether and tertiary alcohol or tertiary olefin |
| 10/21/1981 | EP0038077A1 Process for separating monoolefins from a monoolefin mixture |
| 10/20/1981 | US4296266 Process for the manufacture of lower olefins from methanol/water mixtures |
| 10/20/1981 | CA1111075A1 Production of ethylene |
| 10/14/1981 | EP0037671A1 Shape selective acid catalyzed reactions of olefins over crystalline zeolites |
| 10/14/1981 | EP0037665A1 Improved acetylene recovery process and apparatus |
| 10/13/1981 | US4294725 Rischer-tropsch catalyst, cobalt and cadmium |
| 10/13/1981 | CA1110573A1 Separation of a mixture of c.sub.4-hydrocarbons by extractive distillation |
| 10/06/1981 | US4293728 Removal of sulfur, arsenic, alumina |
| 10/06/1981 | US4293727 Catalysis with nickel ylide |
| 10/06/1981 | US4293722 Process for conversion of propane to gasoline |
| 10/06/1981 | US4293502 Catalyst for oligomerization of ethylene |
| 10/06/1981 | US4293497 Coupling reaction involving a grignard and allylic halide |
| 09/30/1981 | EP0036735A1 Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene of high purity |
| 09/29/1981 | US4292459 Coupling reaction involving a Grignard and allylic halide |
| 09/29/1981 | US4292454 Intermediates for vitamin e |
| 09/29/1981 | US4292141 Distillation to separate a styrene-containing bottoms prior to extractive distillation using a selective solvent |
| 09/23/1981 | EP0036151A1 Process for thermally decoking coolers for cracked gases |
| 09/23/1981 | EP0036109A1 Process for the production of lower olefines from aqueous methanol and/or aqueous dimethyl ether |
| 09/22/1981 | CA1109415A1 Acetonitrile extractive distillation solvent for c-5 hydrocarbons |
| 09/08/1981 | US4288643 Process for preparing 2,3-dimethyl-butene-2 |
| 09/08/1981 | CA1108654A1 Process for converting unsaturated c.sub.4 hydrocarbons into normal butane |
| 09/08/1981 | CA1108652A1 Process for producing c.sub.2-c.sub.4 hydrocarbons from carbon monoxide and hydrogen |
| 09/02/1981 | EP0034767A2 Process for the production of olefins |
| 09/01/1981 | US4287379 By reaction with an alcohol in the presence of an ion exchanger to produce an ether which is decomposed in the presence of an acid catalyst |
| 09/01/1981 | CA1108194A1 Acetylenes removal from diolefin streams by extractive distillation |
| 08/18/1981 | US4284837 Minimizing by-products by contacting with an alkali metal hydroxide |
| 08/18/1981 | CA1107304A1 Process for producing olefins from carbon monoxide and hydrogen |
| 08/18/1981 | CA1107300A1 Process for the preparation of 1,1-dihalo-4-methyl-1, 3-pentadienes |
| 08/12/1981 | EP0033553A2 Nickel complexes in diol solvents and their use as part of a catalyst in the oligomerization of ethylene |
| 08/11/1981 | US4283586 Process for dimerizing or codimerizing lower monoolefin |
| 08/11/1981 | US4283585 Comprising a refractory metal oxide carrier, a platinum group metal, a group 4 or 6 metal, and a metal halide |
| 08/11/1981 | US4283305 Catalyst composition and its use for oligomerizing olefins |
| 08/04/1981 | US4282389 Process for the simultaneous manufacture of pure MTBE and a substantially isobutene-free mixture of C4 -hydrocarbons |
| 07/14/1981 | US4278504 Isolation of a conjugated diolefin from a C4 - or C5 -hydrocarbon mixture |
| 07/14/1981 | CA1104950A1 Desorbent for separation of butene-1 from a c4 hydrocarbon mixture using zeolite x |
| 07/08/1981 | EP0031693A1 Promoted tin-antimonate catalysts and use thereof |
| 07/07/1981 | US4277633 Palladium complex, process for the preparation thereof and catalyst for producing 1,3-diene oligomers |
| 07/07/1981 | US4277315 Isolation of a conjugated diolefin from a C4 - or C5 -hydrocarbon mixture |
| 07/07/1981 | US4277314 Multistage solvent extration and distillation |
| 07/07/1981 | US4277313 Recovery of 1,3-butadiene |
| 07/07/1981 | CA1104591A1 Lubricant |
| 07/07/1981 | CA1104517A1 Energy conservation in a butadiene process |
| 06/30/1981 | US4276199 Impregnating support with hydrogen molybdenum (or tungsten) octacyanide, roasting, catalysts |
| 06/30/1981 | CA1104165A1 Process for the separation of dienic and/or aromatic hydrocarbons from hydrocarbon fractions containing them with the aid of sulfonamides, and new sulfonamides useful in this process of separation |
| 06/30/1981 | CA1104163A1 Process for the manufacture of lower alkenes from methanol and/or dimethyl ether |
| 06/24/1981 | EP0030673A1 Method for inhibiting polymerization of conjugated dienes |
| 06/23/1981 | US4274841 Acetylene recovery process and apparatus |
| 06/17/1981 | EP0030431A1 Oligomerization of olefins |
| 06/10/1981 | EP0030109A1 Process for producing isoprene |
| 06/09/1981 | US4272407 Oligomerization catalyst |
| 06/09/1981 | US4272406 Refractory metal oxide/silica supported nickel cluster catalyst |
| 06/03/1981 | EP0029678A1 Recovery of C2 hydrocarbons from demethanizer overhead |
| 06/03/1981 | EP0029513A1 Process for the separation of olefines from gases containing olefines |
| 06/02/1981 | US4271008 Hydropyrolysis |
| 06/02/1981 | US4270940 Condensation, rectification in dephlegmator, return to demethanizer |
| 06/02/1981 | CA1102358A1 Method for producing oligomers from alpha-olefines |
| 05/27/1981 | EP0029255A1 Fischer-Tropsch type catalyst, method for its manufacture and its use for effecting a Fischer-Tropsch synthesis |
| 05/26/1981 | US4270015 Catalytic esterification of an acyclic acid using a complex of a ruthenium compound and a cesium, quaternary ammonium, or phosphonium compound; pyrolysis |
| 05/26/1981 | US4269780 Catalysts comprising carbene metal complexes and metal halides and oxyhalides as activators; polymerization inhibition |
| 05/19/1981 | US4268697 Synthesis of long-chain alkanes having terminal functionality |
| 05/13/1981 | EP0028377A1 Process for the preparation of a mixture essentially consisting of iso-butene oligomers and methyl-t-butyl ether, its use and fuels containing such a mixture |
| 05/05/1981 | CA1100477A1 Catalyst comprising phosphoric acid on silica gel, its preparation and use |
| 05/05/1981 | CA1100473A1 Dehydrogenation of hydrocarbons with zinc titanate catalyst |
| 04/21/1981 | US4263170 Coordination catalyst comprising a magnesium compound, obtained by the thermal decomposition of an organomagnesium halide, and a halide of titanium or vanadium |
| 04/21/1981 | CA1099749A1 Removal of carbonyl impurities |
| 04/21/1981 | CA1099695A1 Chromium-free catalyst |
| 04/07/1981 | US4260844 Nickel complexes in diol solvents and their use as oligomerization catalyst precursors |
| 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 |
| 03/17/1981 | US4256565 Thermal cracking, high velocity atomized stream, fast heating and cooling rates |
| 03/11/1981 | EP0024971A1 Nickel carboxylates, their preparation, their use in a catalytic composition, the use of this composition in the oligomerisation of monoolefines |
| 03/10/1981 | US4255595 Optically active cyclooctenyl ethyl alcohol |
| 03/10/1981 | CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same |
| 03/03/1981 | US4254297 Process for the conversion of dimethyl ether |
| 03/03/1981 | US4254296 Process for the preparation of tertiary olefins |
| 03/03/1981 | US4254295 Oligomerization of olefins |
| 03/03/1981 | US4254294 Polymerization reactions in the presence of a catalyst containing aluminum oxide, boron oxide and halogen |
| 03/03/1981 | CA1096891A1 Low temperature oxydehydrogenation of ethane to ethylene |
| 03/03/1981 | CA1096889A1 Separation of isobutene from refinery streams |
| 03/03/1981 | CA1096847A1 Catalyst for reducing carbon monoxide with hydrogen |
| 02/24/1981 | US4252987 Dicyclopentadienyltitanium halide, alkylaluminum halide, lewis base |
| 02/24/1981 | CA1096406A1 On-stream maintenance of fluidized solid solution catalysts |
| 02/24/1981 | CA1096326A1 Method of reducing alpha-acetylene content of hydrocarbons using an alkali amide |
| 02/17/1981 | US4251674 Method and apparatus for improving the selectivity of a process for hydrogenating acetylene to ethylene |
| 02/10/1981 | USRE30510 Reacting aluminum chloride or bromide and an aliphatic acid |
| 02/04/1981 | EP0023370A1 Process for the recovery of isoprene, and isoprene so recovered |
| 02/04/1981 | EP0023303A1 Process for the production of lower olefins from mixtures of methanol and water |
| 01/28/1981 | EP0023119A1 Process for preparation of high purity isobutylene |
| 01/27/1981 | US4247731 Process for the manufacture of lower alkenes from methanol and/or dimethyl ether |
| 01/27/1981 | US4247725 Selective hydrogenation using particles of group 8 metal as catalyst; fluid flow |
| 01/27/1981 | US4247723 Selectively esterifying 2,6-dimethylocta-1,7-diene with a carboxylic acid |
| 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 | EP0022510A1 Process for the recovery of isobutene from mixtures of C4-hydrocarbons containing isobutene |
| 01/21/1981 | EP0022509A1 Process for the simultaneous production of methyl-tert.-butylether and obtaining isobutene |