| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 04/20/1982 | US4326092 Process for the separation of meta-xylene |
| 04/20/1982 | US4326091 Rare earth modified crystalling silicate |
| 04/20/1982 | CA1122229A1 Dehydration of hydrocarbons |
| 04/20/1982 | CA1122228A1 Selective reaction of 1,4-disubstituted benzene compounds |
| 04/20/1982 | CA1122152A1 Extracting aromatic hydrocarbons from mixtures containing same |
| 04/13/1982 | US4324567 Separation of gaseous components from a gaseous mixture by physical scrubbing |
| 04/06/1982 | US4323380 Rectification of gaseous mixtures |
| 04/06/1982 | CA1121390A1 Process for the preparation and separation of para-xylene and para-xylene prepared by this process |
| 03/30/1982 | US4322394 Adsorbent regeneration and gas separation utilizing microwave heating |
| 03/30/1982 | US4322227 Gas purification |
| 03/23/1982 | US4321127 Coal liquefaction using liquid clathrates |
| 03/23/1982 | US4321065 Lithium aluminates for gas chromatograph columns |
| 03/16/1982 | US4320232 Process for conjointly preparing methyl tert.-butyl ether and obtaining isobutene |
| 03/16/1982 | CA1120065A1 Decolorization of norbornadiene dimers |
| 03/16/1982 | CA1119989A1 Selective hydrogenation process for hydrocarbons fraction containing at least one diolefinic and one acetylentic hydrocarbon |
| 03/10/1982 | EP0047031A2 Process for the resolution of a hydrocarbon mixture |
| 03/10/1982 | EP0046876A1 Process for the treatment of the bottom product of extractive-distillation processes for obtaining pure hydrocarbons |
| 03/10/1982 | EP0046805A1 Multidentate macromolecular complex salt clathrates |
| 03/09/1982 | US4318723 Solidification prevention |
| 03/09/1982 | US4318716 Process of regenerating laden absorbents |
| 03/09/1982 | US4318715 Process for sweeping methane from a physical solvent |
| 03/02/1982 | US4317950 Separation of ethylene and/or propylene from gas streams using an adsorber of a bimetal salt complex |
| 03/02/1982 | CA1119205A2 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 |
| 02/23/1982 | US4316796 Solvent extraction |
| 02/23/1982 | CA1118706A1 Purification process for benzene and toluene through extractive azeotropic distillation |
| 02/17/1982 | EP0045953A1 A process for the separation of C8 aromatic hydrocarbons from their mixtures |
| 02/17/1982 | EP0045760A1 Method for purifying a gas mixture |
| 02/16/1982 | CA1118457A1 Olefin separation process |
| 02/09/1982 | CA1117986A1 Process for the preparation of tertiary olefins |
| 02/03/1982 | EP0045112A2 Process for countercurrent crystallization with recirculation |
| 02/02/1982 | US4313916 Process for the purification of non-reacting gases |
| 02/02/1982 | CA1117555A1 Total isomerization process |
| 01/27/1982 | EP0044655A1 Gas separation processes using liquid sorbents containing bimetallic salt complexes and alkylation inhibitors for use therein |
| 01/27/1982 | EP0044366A1 Distillative freezing process for separating close boiling mixtures |
| 01/26/1982 | US4313016 Isobutene removal from C4 streams |
| 01/26/1982 | US4313015 Separation process |
| 01/26/1982 | US4313014 Process for the separation of cyclohexene |
| 01/26/1982 | US4313013 Palladium or a palladium alloy hydrogen diffusion membrane treated with a volatile compound of silicon is used to separate hydrogen from a mixture of it with a hydrocarbon |
| 01/26/1982 | US4313012 Producing anthracene from creosote |
| 01/26/1982 | US4312652 Separation system |
| 01/19/1982 | US4311866 Separation of products of HF alkylation |
| 01/19/1982 | US4311680 Method for removal of sulfur compounds from a gas stream |
| 01/19/1982 | US4311496 Preliminary condensation of methane in the fractionation of a gaseous mixture |
| 01/19/1982 | US4311495 Separating carbon dioxide and ethane by liquid-liquid extraction |
| 01/19/1982 | CA1116583A1 Absorbent for separating para-xylene, and process for the preparation thereof |
| 01/13/1982 | EP0043610A1 Process for the resolution of a hydrocarbon mixture |
| 01/12/1982 | US4310388 Extractive distillation using an amide solvent and acetonitrile |
| 01/06/1982 | EP0043267A1 Method of separating aromatic and nonaromatic hydrocarbons in mixed hydrocarbon feeds |
| 01/05/1982 | US4309281 Adsorption of paraffin from mixture with aromatic hydrocarbon by zeolite zsm-110 |
| 01/05/1982 | CA1115737A1 Process for obtaining isobutene from c.sub.4-hydrocarbon mixtures containing isobutene |
| 12/23/1981 | EP0042164A1 A process for separating p-xylene from other alkyl substituted monocyclic aromatic hydrocarbons |
| 12/22/1981 | US4307262 Use of zinc diphenyl as alkylation inhibitor in ligand-complexing process |
| 12/22/1981 | US4307246 Precipitation from an anhydrous ketone and sulfuric acid |
| 12/22/1981 | US4306945 Extracting aromatic hydrocarbons from mixtures containing same |
| 12/22/1981 | CA1114844A1 Process for separation and recovery of isobutene |
| 12/15/1981 | US4306107 Production of pure M-xylene and pure ethyl benzene from a mixture of C8 aromatic isomers |
| 12/15/1981 | US4305734 Recovery of hydrocarbon components from a hydrocarbon-carrier gas mixture |
| 12/15/1981 | US4305733 Method of treating natural gas to obtain a methane rich fuel gas |
| 12/15/1981 | CA1114404A1 Maximum utilization of energy in isoparaffin recycle in hf alkylation |
| 12/08/1981 | US4304952 Absorption of ethylene and propylene by a bimetal halide-aromatic hydrocarbon solvent complex; by-product inhibition |
| 12/08/1981 | CA1113880A1 Removal of non-paraffinic hydrocarbons from paraffinic hydrocarbons |
| 12/08/1981 | CA1113723A1 Process for the removal of acidic gases |
| 12/02/1981 | EP0040916A1 The separation of complexible ligands using alkylation inhibitors |
| 12/02/1981 | EP0040723A1 Process for a distillative separation of liquid mixtures containing aliphatic alcohols |
| 12/01/1981 | US4303422 Fuel filter |
| 11/18/1981 | EP0039852A2 Process and plant for carrying out a Rankine process |
| 11/17/1981 | US4301315 Method of producing high octane alkylate gasoline |
| 11/10/1981 | US4299800 Catalyst selectivity |
| 11/10/1981 | US4299668 Separation of ethylbenzene from para- and meta-xylenes by extractive distillation |
| 11/10/1981 | US4299667 Process for recovering pure benzene |
| 11/04/1981 | EP0039289A1 Process for fractionating a charge of hydrocarbons composed essentially of saturated hydrocarbons having 2 to 4 carbon atoms |
| 11/04/1981 | EP0039218A1 Improvement in process for the alkylation of benzene with propylene |
| 11/03/1981 | US4298955 Method of and apparatus for the detection and analysis of hazards |
| 11/03/1981 | CA1111867A1 Method for stabilizing acetylene |
| 10/21/1981 | EP0038077A1 Process for separating monoolefins from a monoolefin mixture |
| 10/14/1981 | EP0037665A1 Improved acetylene recovery process and apparatus |
| 10/13/1981 | CA1110666A1 Process for producing high purity benzene |
| 10/13/1981 | CA1110643A1 Binuclear rhodium complex as a hydroformylation and a hydrogenation catalyst |
| 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 |
| 10/01/1981 | WO1981002776A1 Distillative separation of acid gases from light hydrocarbons |
| 09/30/1981 | EP0036735A1 Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene of high purity |
| 09/30/1981 | EP0036733A1 Distillative separation of carbon dioxide from light hydrocarbons |
| 09/29/1981 | US4292142 Mixture of phthalic anhydride and maleic anhydride |
| 09/29/1981 | US4292141 Distillation to separate a styrene-containing bottoms prior to extractive distillation using a selective solvent |
| 09/23/1981 | EP0036130A1 Process for the reaction of the destillation residue from the synthesis of ethyl benzene |
| 09/22/1981 | US4291189 Alkylation process improvement |
| 09/22/1981 | CA1109415A1 Acetonitrile extractive distillation solvent for c-5 hydrocarbons |
| 09/16/1981 | EP0035791A1 A process for removing acetylene from reaction products of 1,2-dichloroethane pyrolysis |
| 09/09/1981 | EP0035329A1 Prevention of polymer formation in dehydrogenation of p-ethyltoluene |
| 09/08/1981 | US4288234 Recovery of aromatics from styrene production off-gas |
| 09/03/1981 | WO1981002422A1 Multidentate macromolecular complex salt clathrates |
| 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 |
| 08/26/1981 | EP0034337A2 A process for the optical resolution of a racemic mixture |
| 08/25/1981 | US4286110 Separation of products of HF alkylation |
| 08/25/1981 | US4285708 Precooling treatment to conserve energy; natural gas liquids |
| 08/20/1981 | WO1981002291A1 Method for purifying a gas mixture |
| 08/19/1981 | EP0034054A1 Process for the separation of three components from a mixture by solid-bed adsorption and desorption |
| 08/18/1981 | CA1107190A1 Hydrocarbon recovery |