| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 05/18/1988 | EP0267819A1 Integrated process for the treament of a humid methane-containing gas, with the aim to eliminate the water |
| 05/17/1988 | CA1236767A1 Hydrocarbon gas separation |
| 05/11/1988 | EP0266745A2 Process for separating components of a gas stream |
| 05/11/1988 | CN87105310A Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 05/10/1988 | US4743708 Process for the separation of C10 aromatic isomers |
| 05/10/1988 | US4743282 Selective processing of gases containing olefins by the mehra process |
| 05/10/1988 | CA1236469A1 Recovery of sulfolane |
| 05/03/1988 | US4742175 Preparation of polymorphically pure terfenadine |
| 05/03/1988 | US4741884 Process and apparatus for removing H2 S from gas streams |
| 04/26/1988 | US4740632 Process for removing methanol from alkylation unit feed stream |
| 04/26/1988 | US4740222 Recovery and purification of hydrogen from refinery and petrochemical off-gas streams |
| 04/26/1988 | CA1235650A1 Parallel stream heat exchange for separation of ethane and higher hydrocarbons from a natural or refinery gas |
| 04/20/1988 | EP0264280A2 Inhibition of fouling during washing under basic conditions |
| 04/20/1988 | EP0264226A1 Separation process by crystallisation |
| 04/20/1988 | CN87105311A Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 04/19/1988 | US4738755 Separation of m-xylene from o-xylene by extractive distillation |
| 04/19/1988 | US4738699 Separation by cryogenic cooling; methane removal by distillation |
| 04/12/1988 | US4737168 Separator tank containing hood |
| 04/07/1988 | DE3633445A1 Process for separating C2+-hydrocarbons from natural gas |
| 04/06/1988 | EP0262849A2 Desulphurisation |
| 04/05/1988 | US4735704 Liquid removal enhancement |
| 04/05/1988 | CA1234841A1 Process for the synthesis and purification of diisopropenylbenzene |
| 04/05/1988 | CA1234746A1 Dual dephlegmator process to separate and purify syngas mixtures |
| 03/30/1988 | EP0262049A2 Process for up-grading steam-cracking products |
| 03/30/1988 | EP0261701A1 Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/30/1988 | EP0261700A1 Process for extracting paraffins from their mixtures with parraffinsulphonic acids |
| 03/29/1988 | US4734273 Activated carbon bed |
| 03/29/1988 | US4734115 Low pressure process for C3+ liquids recovery from process product gas |
| 03/23/1988 | CN87105306A Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/22/1988 | US4732598 Dephlegmator process for nitrogen rejection from natural gas |
| 03/15/1988 | CA1234162A1 Process for the production of naphthalene |
| 03/08/1988 | US4730055 Method for silylating aromatic imides and silylimides made therefrom |
| 03/03/1988 | DE3728575A1 Silylaromatische imide und verfahren zu ihrer herstellung Silylaromatische imides and processes for their preparation |
| 03/02/1988 | EP0257493A1 Adsorptive separation of gas mixtures |
| 02/23/1988 | US4727218 Crystallization onto curved, cooled surface |
| 02/23/1988 | US4727203 Terminal to interior double bond isomerization process for an olefinic molecule with reduced dimerization |
| 02/23/1988 | US4727105 Oxidation resistant rubber |
| 02/23/1988 | US4726826 Cooling by heat exchanging, condensation and separation |
| 02/16/1988 | USRE32600 Energy efficiency |
| 02/16/1988 | CA1232919A1 Process for the recovery of polymerization grade butene-1 |
| 02/16/1988 | CA1232834A1 Process for devolatilizing natural gas liquids |
| 02/11/1988 | WO1988000936A1 PROCESS FOR SEPARATING A GAS MIXTURE OF C2+ OR C3+ or C4 HYDROCARBONS |
| 02/11/1988 | DE3626561A1 Process for removing C2+- or C3+-hydrocarbons from a gas mixture |
| 02/11/1988 | DE3626560A1 Process for the removal of C4-hydrocarbons from a gas mixture |
| 02/09/1988 | US4724274 Process for producing 2-methyl-2-butene from a 5 carbon atom olefins cut containing 2-methyl-1-butene and at least one n-pentene |
| 02/09/1988 | CA1232617A1 Process for producing high purity butene-1 with a low energy consumption |
| 02/09/1988 | CA1232551A1 Separation of ortho aromatic isomers by selective adsorption with an aluminophosphate |
| 01/27/1988 | EP0254368A1 Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 01/27/1988 | EP0254359A1 Process for separating a fluid mixture containing hydrocarbons and an organic solvent |
| 01/27/1988 | EP0254278A2 Staged multicomponent refrigerant cycle for a process for recovery of C3+ hydrocarbons |
| 01/27/1988 | CN86104632A High-efficient extraction of alpha-pinene and beta-pinene from turpentine |
| 01/26/1988 | US4721824 Guard bed catalyst for organic chloride removal from hydrocarbon feed |
| 01/26/1988 | US4721806 Process for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanate |
| 01/26/1988 | CA1231982A1 Conversion of certain hydrocarbons using silicoaluminophosphate catalysts |
| 01/26/1988 | CA1231981A1 Dehydrocyclodimerization process |
| 01/26/1988 | CA1231932A1 Solid adsorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixture |
| 01/20/1988 | EP0253637A2 Improved tertiary olefin process |
| 01/19/1988 | US4720294 Dephlegmator process for carbon dioxide-hydrocarbon distillation |
| 01/19/1988 | US4720293 Process for the recovery and purification of ethylene |
| 01/14/1988 | WO1988000085A1 Method and device for deacidifying a gas containing h2s and/or co2 as well as mercaptans |
| 01/14/1988 | DE3622425A1 Process for the removal of CO2 from a gas mixture |
| 01/13/1988 | EP0252169A1 Process and apparatus for the pressure regulation in digestion tanks in bio-gas production installations, and cleaning of this gas in two stages |
| 01/12/1988 | US4719195 With polysulfide |
| 01/12/1988 | US4718986 Process for producting high purity butene-1 with a low energy consumption |
| 01/12/1988 | US4718927 Process for the separation of C2+ hydrocarbons from natural gas |
| 01/12/1988 | CA1231341A1 Herbicides derived from aryloxybenzenecarboxylic acid imides |
| 01/07/1988 | EP0251773A2 Hydrocarbon isomerization process and apparatus |
| 01/06/1988 | CN87105131A Isomerization process and apparatus |
| 01/05/1988 | US4717785 Removal of phosphine impurities from higher olefins |
| 01/05/1988 | US4717784 Total isomerization process with mono-methyl-branched plus normal paraffin recycle stream |
| 01/05/1988 | US4717552 Gas purification |
| 01/05/1988 | US4717399 Process for adsorbing mercury from natural gas |
| 01/05/1988 | US4717398 Selective adsorption and recovery of organic gases using ion-exchanged faujasite |
| 12/29/1987 | CA1230820A1 Process to separate nitrogen from natural gas |
| 12/22/1987 | US4714793 Polymerization inhibition |
| 12/22/1987 | US4714788 Selective etherification, hydrogenation, decomposition |
| 12/22/1987 | US4714487 Low temperature |
| 12/22/1987 | US4713940 Pressure scrubbing with solvent selective for ethane and propane |
| 12/17/1987 | WO1987007523A1 Nested enrichment cascade distillation of unequal mixtures |
| 12/17/1987 | DE3717556A1 Verfahren zur entfernung von schwefelverbindungen aus co(pfeil abwaerts)2(pfeil abwaerts)-haltigen gasen -containing Gases method for removal of sulfur compounds from co (Down Arrow) 2 (down arrow) |
| 12/09/1987 | EP0248422A1 Processing by distillation of mixtures containing cyclohexene, cyclohexane and benzene |
| 12/09/1987 | EP0248114A2 Process for the separation of aromatics from hydrocarbon mixtures with any concentration of aromatics |
| 12/02/1987 | EP0247585A1 Method for recovering hydrocarbon vapor |
| 12/01/1987 | US4710273 Olefin purification process |
| 12/01/1987 | US4710214 Process for separation of hydrocarbon gases |
| 12/01/1987 | US4710213 Process for separating CO2 from a gaseous mixture |
| 12/01/1987 | US4710210 Adsorption |
| 11/25/1987 | EP0246826A2 Liquid removal enhancement |
| 11/24/1987 | US4709116 Isomerization process and apparatus |
| 11/19/1987 | EP0245796A1 Recovery of methane from landfill gas |
| 11/18/1987 | CN87102750A Semi-permeable membranes comprising predominantly polycarbonates derived from tetrahalobisphenols |
| 11/17/1987 | US4707171 Rectification |
| 11/17/1987 | US4707170 Staged multicomponent refrigerant cycle for a process for recovery of C+ hydrocarbons |
| 11/10/1987 | US4705909 Process for the separation of para-xylene |
| 11/10/1987 | US4705549 Separation of C3+ hydrocarbons by absorption and rectification |
| 11/10/1987 | CA1229061A1 Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly c.sub.2.sub.2 and polyalkyl(meth-)acrylate polymer dewaxing acid |
| 11/04/1987 | CN87103209A Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids |
| 11/03/1987 | US4704492 Selective hydrogenation of acetylenic impurities in crude butadiene |
| 10/28/1987 | EP0243238A1 Process and catalyst for the desulfurization of terpenic oils |
| 10/27/1987 | US4702819 Process for separation of hydrocarbon mixtures |