| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 08/06/1985 | US4533373 Rectification; vaporization; scrubbing; preferential desulfurizati |
| 07/30/1985 | US4532011 Adding zinc or nickel salts of dialkyl dithiocarbamates |
| 07/30/1985 | EP0134243A4 Apparatus and method for recovering light hydrocarbons from hydrogen containing gases. |
| 07/24/1985 | EP0149343A1 Preparation of zeolite coated substrates |
| 07/24/1985 | EP0149145A2 Process for the separation of C4 hydrocarbon mixture by extractive distillation |
| 07/23/1985 | US4530917 Process of presulfurizing catalysts for hydrocarbons treatment |
| 07/23/1985 | CA1190724A1 High efficiency continuous separation process |
| 07/18/1985 | WO1985003072A1 Method and plant for recovery of the heavier hydrocarbons of a gas mixture |
| 07/17/1985 | EP0148637A1 Improved surface coating compositions |
| 07/17/1985 | EP0148607A1 Use of nucleating agents for enhancement of efficiency of acid gas scrubbing processes |
| 07/16/1985 | US4529828 Separation of ortho-xylene |
| 07/16/1985 | US4529500 Method for minimizing fouling of heat exchanger |
| 07/16/1985 | US4529424 Cryogenic process for fractionally removing acidic gases from gas mixtures |
| 07/16/1985 | US4529413 Recovering dessicant-antifreeze from admixture with water and hydrogen sulfide |
| 07/16/1985 | CA1190482A1 Process for separating normal paraffins |
| 07/16/1985 | CA1190470A1 Method of treating carbon dioxide-containing natural gas |
| 07/10/1985 | EP0148070A2 Process and installation for recovering the heavier hydrocarbons from a gaseous mixture |
| 07/10/1985 | EP0147960A2 Selective adsorption and recovery of organic gases using ion-exchanged faujasite |
| 07/09/1985 | US4528413 Process for the synthesis and purification of diisopropenylbenzene |
| 07/09/1985 | US4528412 Dehydrocyclodimerization process |
| 07/09/1985 | CA1190177A1 Extractive distillation method |
| 07/09/1985 | CA1190176A1 Process for separating highly pure butene-1 and butene-2 |
| 07/09/1985 | CA1190175A1 Method for separating mixtures of paraffin or paraffins with 6-14c-atoms and alcohol or alcohols with 4-8c-atoms |
| 07/04/1985 | WO1985002787A1 Use of nucleating agents for enhancement of efficiency of acid gas scrubbing processes |
| 07/03/1985 | EP0147277A2 Process for separating a feed stream gas mixture using pressure swing adsorption |
| 07/03/1985 | EP0146658A1 A method of producing and separating durene |
| 07/03/1985 | EP0146646A1 Process for separating and producing relatively highly adsorbable gases by adsorbents from gas mixtures also containing less adsorbable gases |
| 07/02/1985 | US4527004 Purification of olefins by boron trifluoride-alcohol treatment |
| 07/02/1985 | US4526594 Selectively extracting hydrocarbons heavier than methane, selectively rejecting consecutively lowest molecular weight portion of extracted stream |
| 07/02/1985 | CA1189876A1 Process for producing alcohols and ethers |
| 07/02/1985 | CA1189682A1 Sulfur removal from a gas stream |
| 06/25/1985 | US4525187 Dual dephlegmator process to separate and purify syngas mixtures |
| 06/25/1985 | US4525180 Absorption using a liquid absorbent mixture of silver-, cuprous-, and aluminum-halide, polystyrene and an aromatic hydrocarbon |
| 06/25/1985 | CA1189470A1 Method for enhancing catalytic activity |
| 06/19/1985 | EP0145372A2 Hydrolysis of carbonyl sulfide over alumina |
| 06/18/1985 | US4524231 Crystallization and removal of durene from gasoline fraction |
| 06/18/1985 | US4524227 Distillation, crystallization |
| 06/18/1985 | CA1188864A1 Semipermeable membranes prepared from polymers containing pendent sulfone groups |
| 06/11/1985 | US4522793 Conversion of hydrogen sulfide and carbon dioxzide to carbonyl sulfide |
| 06/11/1985 | US4522688 Process for recovery of cyclopentadienes |
| 06/11/1985 | CA1188668A1 Regeneration of adsorbents by low temperature hydrogen stripping |
| 06/04/1985 | US4521224 Semipermeable membranes prepared from polymers containing pendent sulfone groups |
| 06/04/1985 | US4521221 Method of producing a methane-rich gas mixture from mine gas |
| 05/28/1985 | US4520225 Process for the pretreatment of light olefin fractions |
| 05/28/1985 | US4519992 Process for purifying gases from hydrogen sulphide |
| 05/28/1985 | US4519901 Extractive separation process |
| 05/28/1985 | US4519825 Process for recovering C4 + hydrocarbons using a dephlegmator |
| 05/28/1985 | US4519824 Separating methane from ethane by repeated cooling and expanding |
| 05/22/1985 | EP0142155A2 Conversion of certain hydrocarbons using silicoaluminophosphate catalysts |
| 05/21/1985 | US4518399 Methane and carbon dioxide |
| 05/21/1985 | US4518396 Method of dehydrating natural gas |
| 05/21/1985 | CA1187516A1 Method of removal of cos from propylene |
| 05/15/1985 | EP0141356A2 Process for obtaining a conjugated diene and/or an olefin from a C4-C5 hydrocarbon mixture |
| 05/15/1985 | EP0141316A2 Process for recovering isoprene from a C 5 hydrocarbon mixture |
| 05/14/1985 | US4517402 Selective sorption of linear aliphatic compounds by zeolites |
| 05/14/1985 | US4517395 Process for the selective hydrogenation of polyunsaturated hydrocarbons in hydrocarbon mixtures |
| 05/14/1985 | US4517113 Process for removal of unreacted oil from surfactant slurry |
| 05/14/1985 | CA1187033A1 Process for recovering a c.sub.3-c.sub.7 hydrocarbon fraction from a liquid mixture containing said fraction and a deasphalted oil |
| 05/08/1985 | EP0140572A1 Continuous sorption process |
| 05/07/1985 | US4515979 Prevention of odors in polyorganosiloxanes |
| 05/07/1985 | US4515759 Oxidation with water soluble nitrite |
| 05/07/1985 | US4515661 Multistep extractive distillation |
| 05/07/1985 | CA1186512A1 Automatic co.sub.2 removal system and operation thereof |
| 05/02/1985 | EP0139051A1 Catalyst for selective hydrogenation of alkynes in the presence of dienes |
| 04/30/1985 | US4514294 Adding metallic sodium to hydrocarbon |
| 04/30/1985 | US4514262 Separation of benzene from non-aromatic hydrocarbons by extractive distillation |
| 04/30/1985 | US4514261 Refining of tertiary butylstyrene |
| 04/30/1985 | US4514203 Low molecular weight esters and ethers as solvents |
| 04/30/1985 | CA1186246A1 Continuous chromatographic separations in a magnetically stabilized fluidized bed |
| 04/24/1985 | EP0138617A2 Processes for the hydrodealkylation and/or isomerization of alkylaromatic hydrocarbons |
| 04/23/1985 | US4513166 Process for the low polymerization of isobutene |
| 04/23/1985 | US4513159 In vapor phase oxidative de hydroigenation with a catalyst |
| 04/23/1985 | US4513153 Integrated process for producing tert.butyl alkyl ethers and butene-1 |
| 04/23/1985 | US4512782 Methane, ethane, propane, inert gases |
| 04/23/1985 | CA1217709B Distillative separation employing bottom additives |
| 04/23/1985 | CA1185888A1 Distillative separation employing bottom additives |
| 04/17/1985 | EP0137744A2 Separation of hydrocarbon mixtures |
| 04/17/1985 | EP0137584A1 Separation of ethylbenzene from xylenes |
| 04/16/1985 | US4511753 Selective removal of vinylidene olefin from olefin mixtures |
| 04/16/1985 | US4511475 Optically active polymer preparation and use |
| 04/16/1985 | US4511382 Method of separating acid gases, particularly carbon dioxide, from methane by the addition of a light gas such as helium |
| 04/16/1985 | US4511381 Process for extracting natural gas liquids from natural gas streams with physical solvents |
| 04/16/1985 | US4511378 Liquid-gas contacting apparatus and pump therefor |
| 04/16/1985 | CA1185416A1 Selective removal and recovery of ammonia and hydrogen sulfide |
| 04/09/1985 | US4509967 Cryogenic extraction; deethanization |
| 04/09/1985 | CA1185273A1 Process for the preparation of pure tert.-olefins |
| 04/09/1985 | CA1185269A1 Process for the selective hydrogenation of polyunsaturated hydrocarbons in hydrocarbon mixtures |
| 04/03/1985 | EP0136072A2 Alkylation process for improved linear alkylbenzene recovery |
| 04/02/1985 | US4508694 Separation and recovery of carbon monoxide by copper (I) complexes |
| 04/02/1985 | US4508553 Passing liquid through cooling zones |
| 04/02/1985 | CA1184948A1 Producing solvent-grade methyl-naphthalene |
| 03/27/1985 | EP0135442A1 Process for the selective hydrogenation of acetylene contained in a mixture of acetylene and ethylene |
| 03/27/1985 | EP0135069A2 Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof |
| 03/26/1985 | US4507133 Propane recovery |
| 03/20/1985 | EP0134243A1 Apparatus and method for recovering light hydrocarbons from hydrogen containing gases. |
| 03/19/1985 | US4505880 Process for the hydrodesulfurization and deoxygenation of a gas containing oxygen and organic sulfur compounds |
| 03/19/1985 | CA1184145A1 Method of recovering pure aromatic substances from a mixture of hydrocarbons containing aromatic and non-aromatic constituents |
| 03/14/1985 | WO1985001058A1 Process and apparatus associated with gas purification |
| 03/12/1985 | US4504692 Dehydrogenation |
| 03/12/1985 | US4504688 Process for the preparation of pure alkyl tert-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanols |