| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 09/04/1984 | US4469558 Apparatus for distilling vinylaromatic compounds |
| 09/04/1984 | US4469491 Absorption in ethylene glycol |
| 09/04/1984 | CA1173862A1 Process for the separation of acetylene from the reaction product of thermic 1,2-dichloroethane cracking |
| 09/04/1984 | CA1173763A1 Engine performance operating on field gas as engine fuel |
| 09/04/1984 | CA1173630A1 Sulphur process |
| 08/29/1984 | EP0117052A1 Distillative separation employing bottom additives |
| 08/28/1984 | US4468476 Color precursor removal from detergent alkyl benzenes |
| 08/28/1984 | US4468343 2,6-dinitro-p-cresol, a phenylenediamine or 4-tert-butycatechol |
| 08/28/1984 | CA1173348A1 Process of separating acid gases from hydrocarbons |
| 08/22/1984 | EP0116531A1 Membrane gas separation processes |
| 08/21/1984 | US4466905 Mixture of dinitro-p-cresol and t-butylcathechol or a phenylenediamine |
| 08/21/1984 | US4466904 Polymerization co-inhibitors for vinyl aromatic compounds |
| 08/21/1984 | CA1173040A1 Production of methylnaphthalenes and tar bases including indole |
| 08/16/1984 | WO1984003140A1 Apparatus and method for recovering light hydrocarbons from hydrogen containing gases |
| 08/14/1984 | US4465882 Inhibiting polymerization of vinyl aromatic monomers |
| 08/14/1984 | US4465881 N,n*-dimer of phenothiazine |
| 08/07/1984 | US4464190 Hydrocarbon gas process |
| 08/07/1984 | US4464189 Fractional distillation of C2 /C3 Hydrocarbons at optimum pressures |
| 08/07/1984 | CA1172233A1 Selective hydrogenation |
| 08/07/1984 | CA1172178A1 Removal of sulfur from process streams |
| 07/31/1984 | US4463206 Process for producing benzene by hydrodealkylation of a hydrocarbon fraction comprising alkyl-aromatic hydrocarbons, olefinic hydrocarbons and sulfur compounds |
| 07/31/1984 | US4463205 Alkylation process with improved linear alkylbenzene recovery |
| 07/31/1984 | US4462968 Finishing process for the removal of sulfur compounds from a gas stream |
| 07/31/1984 | US4462896 Method of removing arsenic in hydrocarbons |
| 07/31/1984 | US4462814 Distillative separations of gas mixtures containing methane, carbon dioxide and other components |
| 07/31/1984 | US4462813 System and method for converting wellhead gas to liquefied petroleum gases (LPG) |
| 07/24/1984 | US4461634 Counter-current heat exchanging |
| 07/24/1984 | CA1171378A1 Method of inhibiting polymerization of vinyl aromatic compounds |
| 07/24/1984 | CA1171241A1 Method for the removal of acidic gases such as carbon dioxide from gaseous mixtures |
| 07/19/1984 | WO1984002767A1 Distillative separation employing bottom additives |
| 07/17/1984 | US4460553 Palladium catalyst |
| 07/17/1984 | US4460396 Method for producing purified ethylene through thermo-coupled distillation and ethylene-producing apparatus using the said method |
| 07/17/1984 | US4460385 Process for the removal of acid gases from hydrocarbon gases containing the same |
| 07/10/1984 | US4459142 Cryogenic distillative removal of CO2 from high CO2 content hydrocarbon containing streams |
| 07/04/1984 | EP0112736A1 Process for the oligomerization of light olefin cuts in the presence of a boron trifluoride catalyst |
| 07/03/1984 | US4457806 2,6-dinitro-4-ethylphenol |
| 06/27/1984 | EP0111911A1 Removal of carbon dioxide from olefin containing streams |
| 06/26/1984 | US4456461 Separation of low boiling constituents from a mixed gas |
| 06/26/1984 | US4456460 Multistage cooling, condensation, and distillation |
| 06/26/1984 | CA1169886A1 Isobutene removal from c.sub.4 streams |
| 06/20/1984 | EP0110924A1 Method for the preparation of olefins with lower molecular weight |
| 06/19/1984 | US4455447 Process for upgrading hydrocarbon streams comprising conjugated diolefins |
| 06/19/1984 | US4455446 Method of removal of COS from propylene |
| 06/19/1984 | US4455445 Separation of C4 olefins |
| 06/19/1984 | US4455444 Low temperature process for separating hydrocarbons |
| 06/13/1984 | EP0110858A1 Membrane gas separation process |
| 06/12/1984 | US4454367 Mordenite catalyst |
| 06/12/1984 | US4454366 Adsorption with polyvinyl alcohol |
| 06/12/1984 | CA1169101A1 Process for thermal dimerization of butadiene |
| 06/12/1984 | CA1169012A1 Process for the simultaneous separation in aromatics and non-aromatics of a heavy hydrocarbon stream and a light hydrocarbon stream |
| 06/12/1984 | CA1168990A1 Process for the separation of meta-xylene |
| 06/05/1984 | US4453029 Selective sorption by zeolites |
| 06/05/1984 | US4452975 Removal of crosslinked polymer by softening, precipitating, and expanding |
| 06/05/1984 | US4452763 Process for regeneration of solvents in hydrogen sulfide removal from gases |
| 05/30/1984 | EP0109486A2 Recovery of components of a binary azeotrope |
| 05/29/1984 | US4451687 Catalyst for the hydrodealkylation of alkylaromatic compounds |
| 05/29/1984 | US4451274 Distillative separation of methane and carbon dioxide |
| 05/29/1984 | CA1168269A1 Separation of benzene from cyclohexane |
| 05/23/1984 | EP0109335A1 Process for the pretreatment of cuts of light olefines |
| 05/22/1984 | US4450082 Method for obtaining uniform stream in adsorption column |
| 05/15/1984 | US4448671 Selective sorption by zeolites |
| 05/15/1984 | US4448643 Isolation of isobutene from C4 -hydrocarbon mixtures containing isobutene |
| 05/09/1984 | EP0107917A1 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 22 and polyalkyl (meth-)acrylate polymer dewaxing aid |
| 05/09/1984 | EP0107783A1 Process for the removal of CO2 and/or H2S from gases |
| 05/08/1984 | US4447318 Extractive distillation method |
| 05/02/1984 | EP0107046A1 Process for the removal of CO2 and, when present, H2S from natural gases |
| 05/01/1984 | US4446119 Thiocyanate, bismuth compounds |
| 04/24/1984 | US4444987 Hydrolysis with platinum sulfide on alumina catalyst |
| 04/24/1984 | US4444986 Selective sorption by zeolites |
| 04/24/1984 | US4444577 Cryogenic gas processing |
| 04/24/1984 | US4444576 Energy-saving distillative separation using low-temperature heat input |
| 04/24/1984 | US4444222 Automatic liquid-supply stopper plug |
| 04/24/1984 | CA1166145A1 Process to remove nitrogen from natural gas |
| 04/18/1984 | EP0105698A1 A process for separating ethylbenzene from feedstream containing meta-xylene using a zeolite adsorbent |
| 04/17/1984 | US4443231 Continuous chromatographic separations in a magnetically stabilized fluidized bed |
| 04/17/1984 | US4442676 Adsorption, filters, alumina |
| 04/10/1984 | US4442077 Method of removing hydrides of phosphorus, arsenic, antimony and bismuth from hydrocarbon and non-hydrocarbon streams |
| 04/10/1984 | US4442048 Method and apparatus for controlling the formation of polymer accumulations during distillation of a vinylaromatic monomer |
| 04/10/1984 | US4441900 Method of treating carbon-dioxide-containing natural gas |
| 04/10/1984 | CA1165333A1 Process for making olefins |
| 04/10/1984 | CA1165098A1 Process of selective separation of hydrogen sulfide from gaseous mixtures containing also carbon dioxide |
| 04/03/1984 | US4440956 Selective hydrogenation of acetylenes in the presence of butadiene and catalyst used in the hydrogenation |
| 04/03/1984 | US4440634 Organic salt compositions in extraction processes |
| 04/03/1984 | CA1164892A1 Liquid salt extraction of aromatics from process feed streams |
| 03/27/1984 | US4439535 Zeolite adsorbent for separation of para-xylene |
| 03/27/1984 | US4439278 Dinitro-hydroxybenzoic acids or esters as polymerization inhibitors |
| 03/27/1984 | CA1164481A1 Process for isolating and recovering butene-1 of high purity |
| 03/21/1984 | EP0103070A2 Process and device for separating gases by adsorbents |
| 03/20/1984 | US4438289 Reduction of cyclopentadiene from isoprene streams |
| 03/20/1984 | US4437941 Separation of hydrocarbon and alcohol azeotropic mixtures by distillation with anhydrous ammonia |
| 03/20/1984 | CA1163950A1 Method and apparatus for controlling the formation of polymer accumulations during distillation of a vinylaromatic monomer |
| 03/15/1984 | WO1984000952A1 Process for eliminating hydrogen sulphide contained in a gas mixture |
| 03/15/1984 | WO1984000951A1 Process for eliminating hydrogen sulphide contained in a gas mixture |
| 03/14/1984 | EP0102912A1 A process for the purification of diisopropenylbenzene |
| 03/14/1984 | EP0102894A1 Process for eliminating hydrogen sulfide contained in a gaseous mixture |
| 03/13/1984 | US4436836 Catalyst for the hydrodealkylation of alkylaromatic compounds |
| 03/13/1984 | US4436707 Method for the removal of acidic gases such as carbon dioxide from gaseous mixtures |
| 03/13/1984 | US4436533 Multistage, continuous, separation of normal from non-normal hydrocarbons |
| 03/13/1984 | CA1163596A1 Separation of aromatic hydrocarbons from petroleum fractions |
| 03/13/1984 | CA1163423A1 Method for removal of sulfur compounds from a gas stream |