Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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03/07/1984 | EP0102300A1 Process for eliminating hydrogen sulfide contained in a gaseous mixture |
03/06/1984 | US4435609 Using hydrogen and a group 8 metal catalyst |
03/06/1984 | US4435371 Sulfur removal from a gas stream |
03/06/1984 | US4435191 Process for separating aggressive gases from gas mixtures |
03/06/1984 | CA1163277A1 Separation of monoolefins from other monoolefins |
02/28/1984 | US4434317 Separation and recovery of unsaturated hydrocarbons by copper (I) complexes |
02/28/1984 | US4434316 Hydrocyanation of dienes nickel complex catalyst |
02/28/1984 | US4434307 N,n-diarylhydroxylamine, mono-or di-tert-butyl catechol or hydroquinone |
02/28/1984 | CA1162719A1 Process for the removal of acid gases from a gas mixture mainly consisting of methane |
02/22/1984 | EP0101304A2 High efficiency continuous separation process |
02/21/1984 | US4433197 Removing boron trifluoride from coordination compound contaminants in organic liquids |
02/21/1984 | US4433196 Using absorbant either activated bauyite clay and/or crystalline zeolite |
02/21/1984 | US4433195 Separation of trans- and cis-olefins |
02/21/1984 | US4433194 Treating with titanium tetrachloride, adsorption with silica gel, distillation in presence of alkali metal aluminum hydride or borohydride |
02/08/1984 | EP0100074A1 Arrangement for rendering natural gas inert |
02/08/1984 | EP0100073A1 Arrangement for rendering natural gas inert |
02/07/1984 | US4430102 Fractional distillation of C2 /C3 hydrocarbons at optimum pressures |
02/07/1984 | US4430097 Lithium aluminates for separating hydrocarbons |
02/01/1984 | EP0099765A1 Process and plant for fractionating mixtures by elution chromatography with a supercritical fluid phase |
01/31/1984 | US4428829 Process for simultaneous separation of aromatics from heavy and light hydrocarbon streams |
01/31/1984 | US4428759 Energy savings |
01/25/1984 | EP0098911A1 Improved process for the preparation of oximatohydridosilanes and aminoxyhydridosilanes |
01/24/1984 | US4427507 Process for the separation of glycol from an electrolyte-containing aqueous solution |
01/24/1984 | US4427420 Pumping method and apparatus |
01/24/1984 | US4427419 Semipermeable membranes prepared from polymers containing pendent sulfone groups |
01/18/1984 | EP0098538A2 Process for the hydrodealkylation of alkyl-aromatic hydrocarbons, process for the hydrodesulfurization of a hydrocarbon gas stream, and catalyst therefor |
01/10/1984 | US4425281 Copper or silver complexes with fluorinated diketones and unsaturated ligands |
01/04/1984 | EP0097381A2 Process for separating an ethylenically unsaturated hydrocarbon from a hydrocarbon mixture; process for separating close boiling liquids; process for inhibiting polymerization of styrene |
01/03/1984 | US4424144 Preparation of binderless 3A adsorbents |
12/27/1983 | US4423280 Of non-aromatic compounds in admixture with aromatics |
12/27/1983 | US4423279 Zeolite |
12/27/1983 | US4423278 Removing color from polyphenylated alkane |
12/27/1983 | US4423248 Solvent extraction, rotation |
12/27/1983 | US4422975 Organic salt compositions in extraction processes |
12/21/1983 | EP0096598A1 Process for the preparation of a zeolite, zeolite thus obtained and uses thereof |
12/20/1983 | US4421937 Separation from liquid by compression of interstitial spacings |
12/20/1983 | US4421640 N-(2-hydroxyethyl)-2-pyrrolidone and water |
12/20/1983 | US4421607 Process for extractive distillation of plural hydrocarbon mixtures |
12/20/1983 | US4421535 Countercurrent solvent extraction, multistep flashing, condensatio |
12/08/1983 | WO1983004249A1 Method for the preparation of olefins with lower molecular weigth |
12/06/1983 | US4419365 Deferoxamine salt |
12/06/1983 | US4419349 Plant extracts |
12/06/1983 | US4419226 Recovery of aromatic hydrocarbons and a non-aromatic raffinate stream from a hydrocarbon charge stock |
12/06/1983 | US4419188 Thermally coupled extractive distillation process |
12/06/1983 | US4419114 System and method for converting wellhead gas to liquefied petroleum gases (LPG) |
11/30/1983 | EP0095395A1 Process for the hydrodesulphurization and de-oxygenation of a gas containing oxygen and organic compounds of sulphur |
11/29/1983 | CA1157890A1 Purification of hydrocarbons by treatment with polyamines |
11/23/1983 | EP0094699A1 Process for upgrading hydrocarbon streams comprising conjugated diolefins |
11/22/1983 | US4417091 Process for removing fluorine from olefin oligomers |
11/22/1983 | US4417084 Continuous addition of hydrogen sulfide to gaseous effluent |
11/22/1983 | CA1157385A1 Separation process |
11/15/1983 | US4415481 Raffinates |
11/09/1983 | EP0093454A1 A process for the separation of mixtures of aromatic hydrocarbons into single components |
11/08/1983 | US4414083 Removal of diene impurities from alkenes or alkanes over activated magnesium oxide under ultraviolet radiation |
11/08/1983 | US4414004 Removal of condensable aliphatic hydrocarbons and acidic gases from natural gas |
11/01/1983 | CA1156137A1 Distillative separation of acid gases from light hydrocarbons |
10/25/1983 | US4411676 Using different towers |
10/25/1983 | CA1155873A1 Process and apparatus for the production of vinyltoluene |
10/19/1983 | EP0091830A2 Separation of gas mixtures by partial condensation |
10/18/1983 | US4410755 Method to purify alpha-methyl styrene prior to catalytic hydrogenation |
10/18/1983 | US4410400 Extractive distilling with reworking of residue |
10/18/1983 | US4410342 Method and apparatus for separating a liquid product from a hydrocarbon-containing gas |
10/18/1983 | US4409819 Method of determining, as a property of an adsorbent, the selectivity for one component of a liquid charge composition with respect to a reference component of said charge composition |
10/18/1983 | CA1155434A1 Use of amine-aluminum chloride adducts as alkylation inhibitors in a ligand-complexing process |
10/12/1983 | EP0091392A1 Sulfur removal from a gas stream |
10/12/1983 | EP0091049A1 Zeolite LZ-133 |
10/12/1983 | EP0091048A1 Zeolite LZ-132 |
10/11/1983 | US4409421 Etherification with an alcohol, separation, cleavage and distillation |
10/11/1983 | US4409420 Relief system |
10/11/1983 | US4409410 Process for selectively hydrogenating a di-olefin in a mixture of hydrocarbons having at least 4 carbon atoms and comprising an α-olefin |
10/11/1983 | US4409408 Dialkylhydroxylamines, tert-alkyl catechols |
10/11/1983 | US4409102 Process for removing contaminants from a stream of methane gas |
10/11/1983 | CA1154939A1 Process for the purification of nonreacting gases |
10/05/1983 | EP0090569A1 A process for the low polymerization of isobutene |
09/28/1983 | EP0089704A2 Process for the separation of a glycol from an electrolyte-containing aqueous solution |
09/28/1983 | EP0089653A2 Process for separating sulfuric acid from the product mixture resulting from the sulfoxidation of paraffins |
09/28/1983 | EP0089375A1 Distillative separation of methane and carbon dioxide. |
09/27/1983 | US4406868 Process and apparatus for removing H2 S from gas streams |
09/27/1983 | US4406867 Process for the purification of non-reacting gases |
09/27/1983 | US4406774 Absorption, methanol |
09/27/1983 | US4406771 Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C22 and polyalkyl(meth-)acrylate polymer dewaxing aid |
09/21/1983 | EP0089252A1 Supported palladium-gold catalyst, its preparation and its use in the selective hydrogenation of diolefinic and/or acetylenic hydrocarbons |
09/21/1983 | EP0089175A1 Semipermeable membranes prepared from polymers containing pendant sulfone groups |
09/20/1983 | US4405563 Turbulenge gas flow produced by confined packer-spacer material in contact tower |
09/13/1983 | US4404413 Method for the prevention or inhibition of popcorn polymer in organic material containing vinyl compounds |
09/13/1983 | US4404124 Alumina with silver distributed throughout and palladium near surfaces |
09/13/1983 | US4404118 Regeneration of adsorbents by low temperature hydrogen stripping |
09/13/1983 | CA1153745A1 Adsorptive separation of aromatic isomers |
09/07/1983 | EP0087658A1 Process for the catalytic rearrangement of iso-alkenes with simultaneous substantial removal by hydrogenation of acetylene compounds and optionally diolefines |
09/06/1983 | US4402832 High efficiency continuous separation process |
08/31/1983 | EP0086890A1 Process for the separation of mixtures containing paraffins or paraffins having 6 to 14 C atoms and alcohol, or alcohols having 4 to 8 C atoms |
08/30/1983 | US4401838 Purification of hydrocarbons by treatment with polyamines |
08/30/1983 | US4401559 Process for removing halogenated impurities from olefin oligomers |
08/30/1983 | US4401517 Vapor-liquid extractive distillation with dialkyl sulfone/water combination |
08/30/1983 | US4401515 Extractive distillation |
08/30/1983 | US4401450 Economic recovery of ethylene and/or propylene from low concentration feeds |
08/23/1983 | US4400564 Separation of monoolefins from diolefins |
08/17/1983 | EP0086068A2 Continuous chromatographic separations in a magnetically stabilized fluidized bed |
08/17/1983 | EP0086035A1 Process for the separation of ortho aromatic isomers by selective adsorption |
08/16/1983 | CA1151847A1 Recovery of aromatics from styrene production off-gas |