| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 05/20/1987 | EP0221942A1 Regenerative method for removing mercaptans contained in a gas. |
| 05/19/1987 | US4666483 Method and installation for recovering the heaviest hydrocarbons from a gaseous mixture |
| 05/19/1987 | CA1221903A1 Separation of ethane and higher hydrocarbons from natural gas |
| 05/12/1987 | US4664903 Removal of sulfur compounds from gases |
| 05/12/1987 | US4664845 Phenylenediamine solubilizer for dinitrophenol in aromatic solvent |
| 05/12/1987 | US4664786 Reduced energy consumption, steam distillation |
| 05/12/1987 | US4664783 Extractive distillation, energy efficient |
| 05/12/1987 | US4664687 Cooling, heat exchanging, expansion, rectification |
| 05/12/1987 | US4664686 Double column cryogenic rectification nitrogen rejection unit |
| 05/12/1987 | CA1221709A1 Sorption fractionation process for olefin separation |
| 05/05/1987 | US4662919 Nitrogen rejection fractionation system for variable nitrogen content natural gas |
| 04/29/1987 | EP0219586A1 Method of selective dealkylation of 1,4-dialkylbenzene |
| 04/29/1987 | EP0219584A1 Process for the recovery of alkylaromatic hydrocarbons from the effluent stream of a hydrocarbon conversion zone |
| 04/29/1987 | EP0219496A1 Apparatus and method of decontaminating hydrocarbons containing pcb |
| 04/29/1987 | CN86105913A Process for the separation of csub 2+-hydrocarbons from natural gas |
| 04/28/1987 | CA1221109A1 Process for selectively hydrogenating in the presence of a solvant acetylenic compounds from a butadiene rich c.sub.4 hydrocarbons cut |
| 04/21/1987 | CA1220758A1 Refining of tertiary butylstyrene |
| 04/21/1987 | CA1220757A1 Separation of c.sub.4-hydrocarbon mixture by extractive distillation |
| 04/21/1987 | CA1220729A1 Membrane gas separation processes |
| 04/15/1987 | EP0218359A1 Conditioning natural gas streams with preferential physical solvents |
| 04/15/1987 | CN86100573A Method of purification of sodium thiocyanate solution via anionic exchange resin |
| 04/14/1987 | US4658080 Acetylene removal process |
| 04/14/1987 | US4657571 Process for the recovery of heavy constituents from hydrocarbon gaseous mixtures |
| 04/14/1987 | CA1220411A1 Cryogenic process for removing acid gases from gas mixtures by means of a solvent |
| 04/09/1987 | WO1987002031A1 Selective processing of gases containing olefins by the mehra process |
| 04/08/1987 | EP0217492A1 Process for preparing para-divinylbenzene |
| 04/08/1987 | EP0216991A1 Process for the separation of paraffinic and olefinic C4-hydrocarbons |
| 04/08/1987 | EP0216818A1 Method of decontaminating hydrocarbons containing pcb |
| 04/08/1987 | CN86105278A Gas drying process |
| 04/07/1987 | US4655798 Process for removing acetylene from a C2 -stream |
| 04/07/1987 | US4655796 Simulated countercurrent flow |
| 04/07/1987 | CA1220188A1 Hydrocarbon treatment catalyst presulfuration process |
| 04/02/1987 | DE3534709C1 Process for obtaining heterocycle-free aromatic compounds |
| 04/01/1987 | EP0216009A1 Process for recovering 2,6-dialkyl isomers of naphthalene from their mixtures of isomers |
| 03/31/1987 | US4654457 Zeolites, hydrothermal, alkali metal and organic cations, roasting, metal or metalloid oxide |
| 03/31/1987 | US4654451 P-nitrosophenols |
| 03/31/1987 | US4654450 Mixture of n,n-dialkylhydroxyl amine and alkylbenzene sulfonic acid |
| 03/31/1987 | US4654062 Enhanced oil recovery |
| 03/31/1987 | CA1219882A1 Recovery of 1-butene from c.sub.4-hydrocarbon mixtures containing 2-butenes |
| 03/31/1987 | CA1219812A1 Process for separating aggressive gases from gas mixtures |
| 03/24/1987 | US4652343 Process for the separation of mixtures of paraffin or respectively paraffins of 6-14 carbon atoms and alcohol or respectively alcohols of 4-8 |
| 03/24/1987 | US4652280 Adsorption material for olefins, gas chromatography column, method of selectively removing olefins from a mixture of hydrocarbons |
| 03/24/1987 | CA1219525A1 Process for recovering gases from landfills |
| 03/11/1987 | CN86104676A Separating processes for paraffinic and olefine c4-hydrocarbon |
| 03/05/1987 | DE3531308A1 Process for separating C3+ hydrocarbons from natural gas |
| 03/03/1987 | US4647344 Recovery of isoprene from a C5 -hydrocarbon mixture |
| 03/03/1987 | CA1218595A1 Cryogenic process for the selective removal of acid gases from gas mixtures by means of a solvent |
| 02/25/1987 | EP0211659A2 Gas drying process |
| 02/25/1987 | EP0211560A2 Gas purification |
| 02/25/1987 | EP0211447A1 Scrubbing of gas to recover hydrocarbons |
| 02/25/1987 | EP0211381A1 Hydrocarbon purification |
| 02/24/1987 | US4645576 Process for isolating and recovering butene-1 of high purity |
| 02/24/1987 | CA1218386A1 Integrated process for producing tert.butyl alkyl ethers and butene-1 |
| 02/17/1987 | US4644088 Reduction with znfe2o4-baco3-nico3-naoh catalyst |
| 02/17/1987 | CA1218030A1 Recovery of isoprene from a c.sub.5-hydrocarbon mixture |
| 02/11/1987 | CN86105297A Scrubbing of gas to recover hydrocarbons |
| 02/10/1987 | US4642408 Precipitation with sodium hydroxide |
| 02/10/1987 | CA1217711A Fractional distillation of a multicomponant gazeous mixture |
| 02/03/1987 | CA1217505A1 Process for the purification of diisopropenylbenzene |
| 02/03/1987 | CA1217449A1 Recovery of a conjugated diolefin and/or an olefin from a c.sub.4- or c.sub.5-hydrocarbon mixture |
| 01/29/1987 | WO1987000518A1 Processing inert-rich natural gas streams |
| 01/27/1987 | CA1217207A1 Separation of alkenes from alkadienes |
| 01/27/1987 | CA1217036A1 Bis tertiary amino alkyl derivatives as solvents for acid gas removal from gas streams |
| 01/21/1987 | EP0209172A1 Process and apparatus for the removal of hydrogen sulphide from a gas mixture |
| 01/21/1987 | EP0089375B1 Distillative separation of methane and carbon dioxide |
| 01/13/1987 | CA1216511A1 Apparatus and method for recovering light hydrocarbons from hydrogen containing gases |
| 01/07/1987 | EP0207645A1 Hydrocarbon purification |
| 01/06/1987 | US4634799 Product recovery method for dehydrocyclodimerization process |
| 12/30/1986 | US4633018 Process for separating isomers of toluenediamine |
| 12/30/1986 | CA1215960A1 Magnetizable adsorbents |
| 12/23/1986 | US4631087 Aluminum alkoxide, organic base with ammonda stabilizer; copper, manganese, cobalt, or zinc organic compound |
| 12/17/1986 | EP0205003A1 Product recovery method for an aromatic hydrocarbon alkylation process |
| 12/16/1986 | US4629533 Extractive distillation using dimethylformamide and sulfolane |
| 12/16/1986 | CA1215349A1 Process for preparation of high-silica faujasite type zeolite |
| 12/16/1986 | CA1215327A1 Process for separating ethylbenzene from feedstream containing metaxylene using a zeolite adsorbent |
| 12/16/1986 | CA1215217A1 Process for extracting natural gas streams with physical solvents |
| 12/09/1986 | US4628136 Dehydrogenation process for production of styrene from ethylbenzene comprising low temperature heat recovery and modification of the ethylbenzene-steam feed therewith |
| 12/09/1986 | US4628132 Dialkylamine, dialkylhydroxylamine, alkali metal salt of tert-alkyl catechol |
| 12/03/1986 | EP0203661A2 Cryogenic process for the removal of acidic gases from mixtures of gases by using solvents |
| 12/02/1986 | US4626341 Process for mercaptan extraction from olefinic hydrocarbons |
| 12/02/1986 | CA1214792A1 Process for the removal of cyclopentadiene from unsaturated c5-hydrocarbons |
| 11/26/1986 | EP0202371A1 Method of extractive separation, particularly of aromatic and non-aromatic components |
| 11/25/1986 | CA1214448A1 Preparation of zeolite coated substrates |
| 11/25/1986 | CA1214316A1 Removal of co.sub.2 and h.sub.2s from natural gases |
| 11/20/1986 | WO1986006649A1 Regenerative method for removing mercaptans contained in a gas |
| 11/18/1986 | US4623431 Polymerization inhibitor for vinyl aromatic compounds |
| 11/18/1986 | US4623430 Pretreated asphalts or asphaltenes |
| 11/18/1986 | US4623371 Utilizing the Mehra process for processing and BTU upgrading of nitrogen-rich natural gas streams |
| 11/18/1986 | CA1214024A1 Removal of co.sub.2 and/or h.sub.2s from gases |
| 11/11/1986 | US4622053 Heat exchanging, condensation |
| 11/06/1986 | WO1986006297A1 Apparatus and method of decontaminating hydrocarbons containing pcb |
| 11/05/1986 | EP0200654A1 Process for the preparation of pure butene-1 from the crude product of ethylene dimerization |
| 11/05/1986 | EP0200360A1 Process for the separation of C10 aromatic isomers |
| 11/04/1986 | US4621165 Process for removing certain linear isoprene trimers from a mixture of isoprene trimers |
| 10/29/1986 | CN86103014A Process for producing 1-butene of improved purity from the raw product of ethylene dimerization |
| 10/29/1986 | CN85103562A New method for purification of ch3(ch2)28ch2oh |
| 10/22/1986 | EP0198160A2 Hydrofining process for hydrocarbon containing feed streams |
| 10/21/1986 | CA1212820A1 Removal of co.sub.2 and/or h.sub.2s from gases |
| 10/15/1986 | EP0197808A1 Process and fractionating installation for gaseous feeds |
| 10/15/1986 | CN85102732A Process for distillation of styrenes |