| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
|---|
| 04/04/1995 | US5403448 Distilling the mixtures in presence of azeotrope forming agent selected from the group of ethyl formate, ethyl butyrate, butyl propionate, 2-methyl-2,4-pentanediol and 2-furaldehyde |
| 04/02/1995 | CA2107504A1 Thermodynamic separation |
| 03/29/1995 | EP0645182A1 Use of nickel or of a nickelmolybdenum alloy as catalyst for hydrorefining |
| 03/28/1995 | US5401895 Process for preparing divinylbenzene |
| 03/28/1995 | US5401891 Selective cracking of low purity dicyclopentadiene to monomeric cyclopentadiene, distillation, selective dimerization and purification via membrane pervaporation |
| 03/28/1995 | US5401890 Process and apparatus for heat treating halogenated compounds |
| 03/28/1995 | US5401476 Fluidized bed with separation by distillation, isomerization and crystallization |
| 03/28/1995 | US5401365 Predistillation and solvent extraction |
| 03/28/1995 | CA1334980C Process for the isomerization of 1-butene in 2-butenes in a cut of c _ hydrocarbons containing butadiene and sulfur compounds |
| 03/22/1995 | EP0643679A1 Process for the removal of green oil from a hydrocarbon stream. |
| 03/22/1995 | CN1100430A Process for the polymerization of olefins |
| 03/22/1995 | CN1027963C Parameter pump fractional crystallization method and parameter pump crystallizer |
| 03/21/1995 | US5399244 Process to recover benzene from mixed hydrocarbons by extractive distillation |
| 03/16/1995 | DE4338415C1 Process for catalyst deactivation in the catalytically accelerated preparation of linear alpha-olefins by oligomerisation of ethylene |
| 03/15/1995 | EP0643028A1 Process for the polymerization of olefins |
| 03/15/1995 | EP0642484A1 Saturate minimization in normal alpha olefins |
| 03/15/1995 | CN1027888C Method for preparing n-decane from liquid wax |
| 03/14/1995 | US5397441 Separation of ethyl benzene from o-xylene by extractive distillation |
| 03/08/1995 | EP0641244A1 Treatment of acid gas using hybrid membrane separation systems |
| 03/07/1995 | US5396022 Defluorination of alkane streams |
| 03/07/1995 | US5396020 Process for separating hydrocarbons using aryl-bridged polysilsesquioxanes |
| 03/07/1995 | US5396019 Crosslinked in situ; selective permeation |
| 03/07/1995 | US5396005 Eugenol and 2-tert-butyl-4-hydroxyanisole and phenylenediamine derivative |
| 03/07/1995 | US5396004 Diamine, hydroxylamine |
| 03/02/1995 | WO1995006019A1 Isolation of high purity diamondoid, fractions and components |
| 03/02/1995 | WO1995006018A1 Dehydrogenation using dehydrogenation catalyst and polymer-porous solid composite membrane |
| 03/02/1995 | WO1995006017A1 Isoparaffin-olefin alkylation |
| 03/02/1995 | WO1995006016A1 Isoparaffin-olefin alkylation |
| 03/02/1995 | CA2170348A1 Dehydrogenation using dehydrogenation catalyst and polymer-porous solid composite |
| 03/01/1995 | EP0640376A2 Method for recovering ethylene from ethylene oxide plant vent gas |
| 03/01/1995 | EP0640011A1 Purification process |
| 02/28/1995 | US5393385 Using extractive agents with higher boiling points; nitrobenzene, sulfolane, dimethylformamide |
| 02/21/1995 | US5391791 Complexing agents |
| 02/21/1995 | US5391264 Separation of alpha-Phellandrene from d-limonene by azeotropic distillation |
| 02/15/1995 | CN1098709A Mixed phase front end C2 acetylene hydrogenation |
| 02/08/1995 | EP0637294A1 Polymerization inhibitor for vinyl aromatics |
| 02/07/1995 | US5387731 Process for the removal of green oil from a hydrocarbon stream |
| 02/02/1995 | WO1995003263A1 Method for inhibiting the polymerization of vinyl aromatics |
| 02/02/1995 | CA2166866A1 Method for inhibiting the polymerization of vinyl aromatics |
| 02/01/1995 | CN1098084A Nonextractive processes for producing high purity aromatics |
| 01/31/1995 | US5386076 Regeneration of HF-based alkylation catalyst |
| 01/31/1995 | US5386075 Vapor compression/heat pump system; energy optimally utilized |
| 01/31/1995 | US5386072 Reacting benzene with mixture of n-olefins and chloroparaffins in the presence of aluminum chloride |
| 01/31/1995 | US5385649 Separation of 1-hexene from hexane by azeotropic distillation |
| 01/26/1995 | WO1995002568A1 Process for the purification of olefins |
| 01/25/1995 | EP0635573A2 Process for the preparation of native human glicentin |
| 01/18/1995 | EP0634204A1 Process and device for the separation of an unsaturated hydrocarbon from a fluid mixture with other hydrocarbons |
| 01/17/1995 | US5382747 Y zeolites with sodium or lithium |
| 01/17/1995 | US5382745 Separating vinylcyclohexene from a butadiene extracting solvent |
| 01/17/1995 | US5382330 Separation of 1-octene from octane by azeotropic distillation |
| 01/17/1995 | US5382329 Efficiency |
| 01/12/1995 | DE4322725A1 Process for carrying out separations by distillation in discontinuous mode |
| 01/10/1995 | US5380405 Separation of alpha-phellandrene from 3-carene by azeotropic distillation |
| 01/10/1995 | US5379597 From mixed gas feed, efficiency |
| 01/03/1995 | US5378783 Deactivating polymerization inhibitors by reacting with a reducing agent |
| 01/03/1995 | US5377490 Open loop mixed refrigerant cycle for ethylene recovery |
| 12/31/1994 | CA2127068A1 Process for the preparation of native human glicentin |
| 12/21/1994 | EP0629683A1 Process for upgrading a hydrocarbonaceous feedstock |
| 12/21/1994 | EP0629682A1 Process for upgrading a hydrocarbonaceous feedstock |
| 12/21/1994 | EP0629681A1 Process for upgrading a hydrocarbonaceous feedstock |
| 12/21/1994 | EP0629680A1 Process for separating high purity durene |
| 12/20/1994 | US5374410 Chemical reduction using ammonia, hydrogen gas or sulfur dioxide to form nontoxic nitrogen in presence of zeolite as catalyst |
| 12/14/1994 | EP0562052B1 Removal of sulfur contaminants from hydrocarbons using n-halogeno compounds |
| 12/14/1994 | EP0557396B1 Sequence for separating propylene from cracked gases |
| 12/13/1994 | US5372009 Recovering pure products from feed gas comprising close boiling components |
| 12/07/1994 | EP0627395A1 Adsorptive process for separating normal olefins from non-normal olefins using a ketone desorbent |
| 12/07/1994 | EP0626989A1 Absorption process for ethylene and hydrogen recovery. |
| 12/07/1994 | EP0626935A1 Process for separating an intake flow consisting essentially of hydrogen, methane and c 3?/c 4? hydrocarbons. |
| 12/06/1994 | US5371313 Dechlorination or debromination from brominated or chlorinated hydrocarbons contained in unsaturated mono or di-olefinic hydrocarbon stream by contacting with mixed calcium oxide at controlled temperature from 130 to 170 degree C |
| 12/06/1994 | US5371280 Copper or manganese dithocarbamate |
| 11/24/1994 | WO1994026681A1 Single column distillative separation employing bottom additives |
| 11/23/1994 | CN1026688C Process for the synthsis of benzyltoluene and bibenzyltoluene of low chlorine content |
| 11/23/1994 | CN1026663C Seperation of organic material from mixture of air/permanent gas |
| 11/22/1994 | US5367115 Thermal and catalytic defluorination of alkylate |
| 11/17/1994 | EP0624562A1 Mixed phase front end C2 acetylene hydrogenation |
| 11/16/1994 | CN1095061A Use of disulfonyl methane for the control of parasties |
| 11/15/1994 | US5365011 Pressure swing adsorption |
| 11/15/1994 | US5364998 Process for the selective hydrogenation of hydrocarbons |
| 11/09/1994 | EP0623387A1 Catalytic hydrogenation process |
| 11/08/1994 | US5361589 Precooling for ethylene recovery in dual demethanizer fractionation systems |
| 11/02/1994 | CN1094388A Comprehensive utiligation process and apparatus for reformed carbon + heavy aromatics |
| 11/02/1994 | CN1094331A Normal temp zinc oxide desulfuriging agent and its preparing method |
| 10/26/1994 | EP0621065A1 Device for separating and purifying materials by melt crystallization under high pressure |
| 10/26/1994 | EP0621064A1 Device for separating and purifying materials by melt crystallization |
| 10/18/1994 | US5356851 Hydrogenation of unsaturated hydrocarbons |
| 10/18/1994 | US5356718 Amorphous; mixed oxides dispersed with elemental phosphorus, aluminum or boron |
| 10/12/1994 | EP0619286A1 Removal of oxygen containing compounds in a MTBE process by reactive distillation |
| 10/11/1994 | CA1332399C Zeolite l |
| 10/05/1994 | EP0617729A1 Styrene polymerization inhibitor |
| 10/04/1994 | US5352846 Hydrogenating and isomerizing isopentenes, etherifying, distilling |
| 09/21/1994 | EP0432224B1 Treatment of arsine removal catalysts |
| 09/20/1994 | US5349117 Process for sorption separation |
| 09/15/1994 | WO1994020437A1 Benzene reduction in gasoline by alkylation with higher olefins |
| 09/14/1994 | EP0614454A1 Method for inhibiting foulant formation |
| 09/14/1994 | CN1092045A Coating apparatus, method of coating glass, compounds and compositions for coating glass and coated glass substrates |
| 09/13/1994 | US5345772 Single column distillative separation employing bottom additives |
| 09/06/1994 | US5345030 Inhibiting popcorn polymer formation with sulfur-containing compounds |
| 09/06/1994 | US5345022 Saturate minimization in normal alpha olefins |
| 09/06/1994 | CA1331864C Process for hydrotreating olefinic distillate |
| 08/31/1994 | EP0612705A1 Method for preventing fouling in unsaturated hydrocarbon |