| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 04/08/1980 | CA1075269A1 Solid phosphoric acid catalyzed alkylation of aromatic hydrocarbons |
| 04/08/1980 | CA1075165A1 Adaptable filtering enclosure |
| 03/19/1980 | EP0008882A1 Separation of multicomponent gas mixtures by pressure swing adsorption |
| 03/19/1980 | EP0008860A1 Catalyst system |
| 03/19/1980 | EP0008857A1 Method of simultaneously cooling and removing water from hydrocarbon gas mixtures and apparatus therefor |
| 03/19/1980 | EP0008641A1 Anthraquinonesulphonamides and process for their manufacture |
| 03/18/1980 | CA1073821A1 Removal of solvent |
| 03/04/1980 | US4191615 Process for operating extraction or extractive distillation _apparatus |
| 03/04/1980 | US4191614 Distillation apparatus |
| 02/20/1980 | EP0007956A1 Adsorbent regeneration and gas separation utilizing dielectric heating |
| 02/19/1980 | US4189616 Maximum utilization of energy in isoparaffin recycle in alkylation |
| 02/19/1980 | US4188796 Method of and apparatus for the cooling (quenching) of cracking gases |
| 02/19/1980 | CA1072128A1 Process for the production of ethylene |
| 02/12/1980 | US4188501 Purification of monoolefin-containing hydrocarbon stream |
| 02/06/1980 | EP0007750A1 Dehydration of hydrocarbons and apparatus therefor |
| 02/06/1980 | EP0007571A1 Process for obtaining butadiene from a mixture containing hydrocarbons with 4 carbon atoms |
| 02/05/1980 | CA1071239A1 Inhibitors for vinylbenzyl chloride and vinyltoluene decomposition |
| 01/29/1980 | US4186082 Hydrocarbon process for increasing the concentration of normal cis olefins |
| 01/29/1980 | US4185978 Method for cryogenic separation of carbon dioxide from hydrocarbons |
| 01/29/1980 | CA1070483A1 Process for purifying an acid gas containing gaseous hydrocarbon stream |
| 01/22/1980 | US4184943 Fractionation in an adsorptive hydrocarbon separation process |
| 01/22/1980 | CA1070249A1 Suppression of cos formation in molecular sieve purification of hydrocarbon streams |
| 01/09/1980 | EP0006665A1 Process for the separation of straight paraffins from a mixture |
| 01/09/1980 | EP0006619A2 Process for purifying propylene |
| 01/08/1980 | US4182925 Recovering hydrofluoric acid catalyst |
| 01/08/1980 | US4182924 HF alkylation process utilizing fractionation zones at different pressures and including indirect heat exchange |
| 01/08/1980 | US4182658 Emergency polymerization inhibitor system for vinyl aromatic compounds |
| 01/01/1980 | US4181811 Using a crystalline alumina-silica zeolite catalyst to produce 1,2 or 1,3-isomers |
| 12/12/1979 | EP0005788A1 Process for obtaining butadiene-1,3 from a mixture of C4-hydrocarbons |
| 12/04/1979 | US4177250 Method of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamide |
| 12/04/1979 | US4177110 Phenothiazine and tert-butyl catechol |
| 11/27/1979 | US4176053 n-Paraffin - isoparaffin separation process |
| 11/27/1979 | CA1067106A1 Process for producing ethylene from higher hydrocarbons |
| 11/27/1979 | CA1067103A1 Selective hydrogenation process |
| 11/20/1979 | US4175099 Separation and recovery of ethylbenzene from C8 aromatic mixtures using rubidium-X sieves |
| 11/20/1979 | US4175034 Closed-loop vacuum fractionation process |
| 11/20/1979 | CA1066724A1 Process for the synthesis of alkyl-ter-butyl ethers starting from a primary alcohol and isobutylene in presence of butadiene |
| 11/13/1979 | US4174355 Process for removing α-acetylenes from diolefins |
| 11/13/1979 | US4174353 Absorption or complexing with silver salt |
| 11/13/1979 | CA1066218A1 Polymerization inhibitor for vinyl aromatic compounds |
| 11/06/1979 | USRE30140 Method for cooling a gaseous mixture to a low temperature |
| 10/23/1979 | CA1064829A1 Process for the separation of 1,3-butadiene by selective adsorption on a zeolite adsorbent |
| 10/23/1979 | CA1064703A1 Removal of sulphur from natural gas |
| 10/17/1979 | EP0004658A1 Acetylenes removal from diolefin streams by extractive distillation |
| 10/17/1979 | EP0004619A1 n-Paraffin-isoparaffin separation process |
| 10/16/1979 | US4171207 Separation of multicomponent gas mixtures by pressure swing adsorption |
| 10/09/1979 | US4170548 Multistage, circulation |
| 10/09/1979 | CA1064056A1 Hydrocarbon separation and isomerization process |
| 10/03/1979 | EP0004465A2 Method of regenerating adsorbents |
| 10/02/1979 | US4169857 Separation of cyclohexylbenzene-cyclohexanone-phenol-containing mixtures by hydrogenation and distillation |
| 09/19/1979 | EP0004043A1 Removal of acid gases from hot gas mixtures |
| 09/18/1979 | US4168210 Method of reducing reaction between hydrogen halides and olefinically unsaturated compounds |
| 09/18/1979 | US4168209 Using aliphatic tertiary amide as extraction solvent |
| 09/18/1979 | CA1062644A1 Separation process |
| 09/11/1979 | US4167531 Purification of hydrocarbons |
| 09/11/1979 | US4167456 Using diaryl ethers |
| 09/11/1979 | US4167402 Ethylene separation process |
| 09/04/1979 | US4166772 Using tricresyl phosphate as extractive solvent |
| 09/04/1979 | US4166771 Butadiene recovery |
| 09/04/1979 | CA1061804A1 Process for the selective hydrogenation in gaseous phase of polyunsaturated compounds |
| 08/28/1979 | CA1061083A1 Simultaneous drying and sweetening of wellhead natural gas |
| 08/22/1979 | EP0003622A1 Process for the preparation and separation of para-xylene |
| 08/22/1979 | EP0003579A1 HF Alkylation process with maximum heat utilization of isoparaffin recycle |
| 08/08/1979 | EP0003305A2 Process for obtaining isobutene from mixtures of C4-hydrocarbons containing isobutene |
| 08/07/1979 | US4163697 Process for obtaining isobutylene of a purity higher than 99.5 weight percent |
| 08/07/1979 | US4163696 Methanol azeotrope |
| 08/07/1979 | US4163652 Refrigerative fractionation of cracking-gases in ethylene production plants |
| 08/07/1979 | CA1060135A1 Stabilized polymerizable compositions |
| 08/07/1979 | CA1059928A1 Separation of aromatic isomers |
| 07/31/1979 | CA1059442A1 Process for the separation of ethylbenzene |
| 07/24/1979 | US4162273 Used as alkylation catalyst |
| 07/24/1979 | US4162272 Safer production of dry liquid propane substantially free from HF and organic fluoride |
| 07/24/1979 | US4162214 Simplified catalytic hydrocracking, mordenite, molybdenum oxide or sulfide, nickel, cobalt, platinum |
| 07/24/1979 | US4162198 Separation of a mixture of C4 -hydrocarbons by extractive distillation |
| 07/24/1979 | CA1059154A1 Recovery of polymerization inhibitor |
| 07/24/1979 | CA1059150A1 Process for producing ethylphenol |
| 07/17/1979 | US4161496 Ion exchange resins, etherification |
| 07/17/1979 | US4161495 Adding a free radical scavenger selected from hydrogen bromide, chloride, or iodide, nitric oxide, and vinyl bromide |
| 07/17/1979 | CA1058641A1 Dealkynation of olefin and diolefin streams |
| 07/17/1979 | CA1058527A1 Process for separating normal paraffins |
| 07/10/1979 | US4160810 Removal of acid gases from hot gas mixtures |
| 07/10/1979 | CA1058228A1 Recovery of 1,3-butadiene from a c4-hydrocarbon mixture |
| 06/26/1979 | US4159284 Process for separation of hydrocarbon mixture |
| 06/26/1979 | CA1057210A1 Separation of ethylbenzene with an adsorbent comprising sr and k exchanged x or y zeolite |
| 06/19/1979 | CA1056853A1 Process for converting high-boiling byproducts of isoprene production into isoprene, isobutylene and formaldehyde |
| 06/13/1979 | EP0002411A1 Catalyst consisting of a mixture of dinitrosyl iron chloride and bis(cyclooctadiene) nickel and its application to the dimerisation of conjugated diolefines |
| 06/13/1979 | EP0002313A1 Process for catalytic alkylation; process for the separation of the alkylation reactor effluent |
| 06/12/1979 | US4158027 Biphenol derivatives used as polymerization inhibitors |
| 06/05/1979 | CA1055876A1 Process for the separation of aromatic hydrocarbons from a mixed hydrocarbon feedstock |
| 05/30/1979 | EP0002079A1 Crystalline silicates and method for preparing same |
| 05/29/1979 | CA1055520A1 Process for the odor removal of malodourous sulfur containing olefinic derivatives |
| 05/22/1979 | US4155844 Separation process |
| 05/17/1979 | WO1979000251A1 Adsorbent regeneration and gas separation utilizing dielectric heating |
| 05/15/1979 | CA1054509A1 Ethylene production with utilization of lng refrigeration |
| 05/08/1979 | US4153630 Inclusion compounds, process for preparation thereof, and process for separating isomers using the inclusion compounds |
| 05/08/1979 | US4153428 Adsorption |
| 05/02/1979 | EP0001695A1 Crystalline aluminosilicate zeolite, synthesis and use thereof |
| 05/01/1979 | US4152525 Absorption in acetic acid, recycling, hydrolysis |
| 05/01/1979 | US4152365 Selective hydrogenation of polyenes |
| 05/01/1979 | US4152129 Method for separating carbon dioxide from methane |