| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 08/10/1983 | EP0085572A1 Process for separating hydrocarbon mixtures by extractive distillation |
| 08/09/1983 | US4398052 Separation of monoolefins from other monoolefins |
| 08/09/1983 | CA1151677A1 Process and plant for the removal of acidic components |
| 08/09/1983 | CA1151398A1 Method for removal of sulfur compounds from a gas |
| 08/03/1983 | EP0084576A1 A process for processing hydrocarbons and apparatus |
| 08/02/1983 | US4396790 Distillation, isomerization catalysts |
| 08/02/1983 | US4396787 Process for the thermal dimerization of butadiene |
| 08/02/1983 | CA1151217A1 Process for conjointly preparing methyl tert-butyl ether and obtaining isobutene |
| 08/02/1983 | CA1151095A1 Process for removing the nitrogen impurities from a hydrocarbon mixture |
| 07/26/1983 | US4395310 Energy efficient, compression |
| 07/20/1983 | EP0083705A1 Light olefinic hydrocarbon isomerization process |
| 07/19/1983 | US4394254 Method for separating straight chain hydrocarbons using zeolites having large crystals |
| 07/19/1983 | CA1150322A1 Economic recovery of ethylene and/or propylene from low concentration feeds |
| 07/19/1983 | CA1150305A1 Separation of more planar molecules from less planar molecules |
| 07/13/1983 | EP0083433A1 Adsorption process for the separation of hydrocarbons |
| 07/12/1983 | US4393266 Separation of para-xylene |
| 07/12/1983 | US4393250 Process for producing alcohols and ethers |
| 07/12/1983 | US4393249 Catalytic formation of hydrocarbon oxidate |
| 07/12/1983 | US4392948 Process for removing the nitrogen impurities from a hydrocarbon mixture |
| 07/12/1983 | CA1149583A1 Process and plant for acid gas removal |
| 07/06/1983 | EP0083203A1 Method for the regeneration of solid adsorbents used to remove undesired compounds from a hydrocarbon stream |
| 07/06/1983 | EP0083202A1 Liquid phase adsorption and separation process |
| 07/05/1983 | US4392004 Treatment with base on active carbon support |
| 07/05/1983 | US4391677 Process for producing substantially sulphur-free butene-1 |
| 06/29/1983 | EP0082513A1 Process for eliminating H2S from natural gas, crude oil and their mixtures |
| 06/29/1983 | EP0082316A1 Process for the production of methyl tert-butyl ether (MTBE) and of hydrocarbon raffinates extensively delivered from i-butene and methanol and apparatus thereto |
| 06/28/1983 | US4390742 Forming salt with an alkali metal hydroxide |
| 06/28/1983 | US4390741 Hydrogenation with phodium catalyst, distillation |
| 06/28/1983 | US4390431 Process for treating aqueous streams containing aluminum |
| 06/28/1983 | CA1148850A1 Gas purification |
| 06/21/1983 | US4389285 3,5-dinitrosalicylic acid |
| 06/15/1983 | EP0081041A1 Process for the selective hydrogenation of polyunsaturated hydrocarbons in mixtures of hydrocarbons |
| 06/14/1983 | US4388278 By-product in vinyl chloride production |
| 06/08/1983 | EP0080808A1 Distillation apparatus |
| 06/07/1983 | US4387264 Ion exchanging using molecular sieves, adsorptive alumina, then molecular sieves |
| 06/07/1983 | CA1147756A1 Acetylene recovery process and apparatus |
| 05/31/1983 | CA1147351A1 Prevention of polymer formation in dehydrogenation of p-ethyltoluene |
| 05/31/1983 | CA1147272A1 Process for the separation of para-xylene |
| 05/25/1983 | EP0079679A1 Process for separating highly pure butene-1 and butene-2 |
| 05/24/1983 | US4385196 Liquid-liquid extraction of low boiling olefin contained in olefin-paraffin mixture using sulfolane-ketone solvent system |
| 05/24/1983 | US4385005 Process for separating unsaturated hydrocarbons using copper or silver complexes with fluorinated diketonates |
| 05/24/1983 | CA1146978A1 Process for the recovery of isoprene, and isoprene so recovered |
| 05/17/1983 | US4384162 Removing boron trifluoride contaminant from organic liquids with polyvinyl alcohol |
| 05/17/1983 | US4384131 Process for the preparation of oximatohydridosilanes and aminoxyhydridosilanes |
| 05/17/1983 | US4383893 Distillative separation of liquid mixtures containing aliphatic alcohols |
| 05/17/1983 | US4383842 Distillative separation of methane and carbon dioxide |
| 05/10/1983 | CA1146095A1 Process for the separation of contaminants from feed streams using magnetic beds |
| 04/29/1983 | EP0067812A4 Scavenging hydrogen sulfide from hydrocarbon gases. |
| 04/26/1983 | US4381419 Adsorption-desorption separation process with integrated light and heavy desorbents |
| 04/26/1983 | CA1145290A1 Isolation of a conjugated diolefin from a c.sub.4- or c.sub.5- hydrocarbon mixture |
| 04/26/1983 | CA1145289A1 Isolation of a conjugated diolefin from a c.sub.4- or c.sub.5- hydrocarbon mixture |
| 04/26/1983 | CA1145288A1 Isolation of a conjugated diolefin from a c.sub.4- or c.sub.5- hydrocarbon mixture |
| 04/19/1983 | CA1144950A1 Process for the recovery of ethylene oligomers |
| 04/14/1983 | WO1983001294A1 Distillative separation of methane and carbon dioxide |
| 04/12/1983 | US4379736 Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer |
| 04/12/1983 | CA1144572A1 Process for preparation of phenols |
| 04/12/1983 | CA1144513A1 Closed-loop vacuum fractionation process |
| 04/05/1983 | US4379027 Selective hydrogenation of vinyltoluene |
| 04/05/1983 | CA1144183A1 Method of removing oxygen from a gas containing an unsaturated hydrocarbon |
| 03/30/1983 | EP0075218A1 Process for the separation of propene and synthesis gas from a mixture containing isobutyraldehyde |
| 03/23/1983 | EP0074894A1 Process for the purification of a gaseous mixture containing undesirable gaseous compounds |
| 03/22/1983 | US4377393 Process for the preparation of a mixture consisting essentially of iso-butene oligomers and methyl tert.-butyl ether, its use, and fuels containing such mixture |
| 03/16/1983 | EP0073945A1 Process for obtaining pure aromatics |
| 03/15/1983 | US4376678 Method of inhibiting polymerization of vinyl aromatic compounds |
| 03/09/1983 | EP0073680A1 Method of removal of COS from propylene |
| 03/08/1983 | US4376226 Crystalline aluminosilicate csz-1 |
| 03/08/1983 | CA1142554A1 Process for obtaining isobutene from c.sub.4-hydrocarbon mixtures containing isobutene |
| 03/08/1983 | CA1142506A1 Hydrogenation catalyst |
| 03/02/1983 | EP0073107A1 Liquid salt extraction of aromatics from process feed streams |
| 03/01/1983 | US4375576 Using fixed bed cation exchange resin |
| 03/01/1983 | US4375495 Triphenylmethyl methacrylate, helices |
| 02/22/1983 | US4374657 Process of separating acid gases from hydrocarbons |
| 02/22/1983 | CA1141780A1 Process for selectively hydrogenating a hydrocarbon fraction containing molecules with 2 or 3 carbons |
| 02/16/1983 | EP0072157A2 Novel organic salt compositions in extraction processes |
| 02/16/1983 | EP0072083A1 Process and apparatus for recovering hydrocarbons from inert gas-hydrocarbon vapor mixtures |
| 02/15/1983 | US4374297 Selective oxidation of ethyl toluene or methyl styrene isomer mixtures to enrich meta-isomer content |
| 02/15/1983 | US4374022 Constant pressure separation of normal paraffins from hydrocarbon mixtures |
| 02/15/1983 | US4374000 Adding polymerization inhibitor to seal pan and allowing it to seep into column |
| 02/09/1983 | EP0071477A1 Process for separating normal paraffins from branched and cyclic hydrocarbons |
| 02/09/1983 | EP0070908A1 Process for the separation of meta-xylene |
| 02/08/1983 | US4373110 HF Alkylation process and apparatus |
| 02/08/1983 | US4372925 Absorption and chemisorption |
| 02/08/1983 | CA1140946A1 Alkylation inhibitors for a ligand-complexing process |
| 02/08/1983 | CA1140945A1 Process for preparation of high purity isobutylene |
| 02/08/1983 | CA1140931A1 Producing anthracene from creosote |
| 02/08/1983 | CA1140924A1 Gas purification process |
| 02/01/1983 | US4371728 Selective removal of olefins over zinc titanate promoted with selected metals |
| 02/01/1983 | US4371721 Selective cracking of disubstituted benzenes having polar substituents |
| 02/01/1983 | US4371428 Extraction, distillation |
| 02/01/1983 | US4371427 Extractive distillation |
| 02/01/1983 | US4371381 Gas purification process |
| 01/26/1983 | EP0070638A1 Copper or silver complexes with fluorinated diketonates and unsaturated hydrocarbons |
| 01/25/1983 | US4370205 Secondary alkylbenzene and its phenol derivative, distillation |
| 01/25/1983 | US4370150 Engine performance operating on field gas as engine fuel |
| 01/25/1983 | CA1140163A1 Recovery of l,3-butadiene |
| 01/25/1983 | CA1140158A1 Method for inhibiting polymerization of conjugated dienes |
| 01/18/1983 | CA1139681A1 Recovery of hydrocarbon components from a hydrocarbon-carrier gas mixture |
| 01/12/1983 | EP0069145A1 Scavenging hydrogen sulfide from hydrocarbon liquids |
| 01/11/1983 | US4368347 Process for the separation of metaxylene from mixtures of aromatic hydrocarbons |
| 01/11/1983 | US4368061 Separation from other 2-carbon hydrocarbons |