Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
04/1986
04/16/1986EP0178207A1 Process and installation for the cryogenic fractionation of gaseous feeds
04/15/1986US4582950 Oxidizing to carbon dioxide and water using oxygen, heat and a silver supported catalyst
04/15/1986US4582517 Separation of ethane and higher hydrocarbons from natural gas
04/10/1986CN85105317A Method for washing away phosphine contained in gas, particularly in acetylene
04/09/1986EP0177195A2 Process for organic chloride removal from hydrocarbon feeds
04/08/1986US4581052 Gas separation process
04/08/1986CA1202913A1 Fractionation process for mixtures by elution chromatography with liquid in supercritical state and installation for its operation
04/01/1986US4580000 Magnesium oxide impregnated zsm-5-purifying isopropyl benzene
03/1986
03/25/1986US4578372 Rotating particles in reaction mixture; heating to form coating layer
03/25/1986US4578094 Hydrocarbon separation with a physical solvent
03/25/1986US4578089 Method of separating highly adsorbable components in a gas stream in a pressure-sensing adsorber system
03/19/1986EP0174680A1 Substituted 4-fluorothiocarbanilide herbicidal compounds and methods of use
03/18/1986US4577047 Catalysts and process for the selective hydrogenation of acetylenes
03/18/1986US4576925 Catalyst for purifying gases from hydrogen sulphide
03/18/1986US4576615 Carbon dioxide hydrocarbons separation process
03/11/1986US4575387 Solvent extraction
03/05/1986EP0173667A1 Process for recovering gases from landfills
02/1986
02/27/1986WO1986001220A1 Hydrocarbon separation with a physical solvent
02/26/1986EP0172408A2 Process for removal of Co2 and/or H2S from gases
02/19/1986EP0172068A1 Process for synthesizing zeolites of the aluminosilicate-type, products obtained by this process and use thereof
02/19/1986EP0171451A1 Improved N-paraffin-isoparaffin separation process using wash of recycle purge gas
02/18/1986US4571445 Using sorbent consisting of aluminum oxide and group 1a or 2a oxide
02/18/1986US4571444 Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes
02/18/1986US4571442 Catalyst of dalladium on alumina
02/18/1986US4571441 Adsorption with faujasite zeolite
02/13/1986WO1986000819A1 Separation of water from organic fluids
02/11/1986US4570029 Selective adsorption on carbon
02/11/1986US4570026 Production of isobutene from methyl tertiary butyl ether
02/11/1986US4569755 Recovering and recycling solvent
02/11/1986US4569725 Esterification, distillation, decomposition; acid catalysts, ion exchangers
02/11/1986CA1200548A1 Organic salt compositions in extraction processes
02/05/1986EP0170282A1 Compounding oil for polymers
02/05/1986EP0170182A2 Process for obtaining butene-2 from hydrocarbon mixtures containing butene-1 and possibly butene-2
02/05/1986EP0170057A2 Process for the preparation of N-phenyl(pyridyl) sulfonyl diamides
01/1986
01/29/1986EP0169828A2 Process for the removal of carbonyl sulfide from liquid olefinic hydrocarbon charges
01/28/1986US4567309 Selective adsorption from hydrocarbon mixtures
01/28/1986CA1199943A1 Crystal purification
01/22/1986EP0168853A1 Adsorption material for olefins; gas chromatography column;method of selectively removing olefins from a mixture of hydrocarbons
01/21/1986USRE32068 Distillative separation employing bottom additives
01/14/1986CA1199341A1 Recovery of aromatic hydrocarbons and a non-aromatic raffinate stream from a hydrocarbon charge stock
01/14/1986CA1199260A1 Cryogenic distillative removal of co.sub.2 from high co.sub.2 content hydrocarbon containing streams
01/08/1986EP0167401A2 Procedure and means for separating or purifying organic substances
01/07/1986US4563517 Removing accumulation of crosslinked polymer
12/1985
12/31/1985US4562300 Using caustic wash-oxidation of caustic stream to convert mercaptans to disulfides then removal
12/31/1985US4561869 Cryogenic process for the selective removal of acid gases from gas mixtures by means of a solvent
12/31/1985CA1198685A1 Liquid phase adsorption and separation process
12/17/1985US4559108 Distillation apparatus
12/17/1985US4559070 Process for devolatilizing natural gas liquids
12/11/1985EP0067870A4 Removal of hydrocarbon compositions.
12/10/1985US4558169 Dehydrogenating ethyltoluene; adding polymerization inhibitor; condensing vapors; distilling
12/10/1985US4558167 Extractive distillation, without reaction
12/10/1985US4557911 Process for producing sweet CO2 and hydrocarbon streams
12/10/1985CA1197830A1 Catalyst for the hydrodealkylation of alkylaromatic compounds
12/03/1985US4556546 Bis tertiary amino alkyl derivatives as solvents for acid gas removal from gas streams
12/03/1985US4556461 Process for separating highly pure butene-1 or butene-1/isobutene mixture from C4 hydrocarbon fraction
12/03/1985US4556404 Separating carbon dioxide, light and heavy hydrocarbons
11/1985
11/26/1985US4555312 Extractive distillation with polar solvent
11/26/1985US4555311 Integrated fractionation in the recovery of alkylaromatic hydrocarbons
11/19/1985US4554398 Adsorption on zeolite
11/19/1985US4553984 Removal of CO2 and/or H2 S from gases
11/19/1985CA1196902A1 Zeolite lz-133
11/13/1985EP0160744A1 Separation of ortho bi-alkyl substituted monocyclic aromatic isomers
11/06/1985EP0160553A2 Process for distillation of styrenes
11/06/1985EP0160140A2 Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes
11/06/1985EP0160131A1 Removal of arsine or other hydride contamination
11/05/1985US4551443 Catalysts for the selective hydrogenation of acetylenes
11/05/1985US4551158 Removal of CO2 and/or H2 S from gases
10/1985
10/29/1985CA1196029A1 Process for the low polymerization of isobutene
10/22/1985US4548708 Process for removing hydrogen sulfide from natural gas, oil and mixtures thereof
10/22/1985US4548620 Process for treating natural gas
10/16/1985EP0158503A2 High selectivity process for dehydrogenation of paraffinic hydrocarbons
10/16/1985EP0158280A1 Process for removing acetylene from a C2 stream
10/15/1985US4547620 With hydrotalcite
10/15/1985US4547619 Process for removal of phenolic inhibitors from polymerizable conjugated olefin
10/09/1985EP0157218A1 Fluorine-containing silane compounds and method of preparing them
10/08/1985US4546094 Silver of copper halides, bivalent metal halide or aluminum halide, and polystyrene polymer
10/08/1985US4545966 Cuprous aluminum cyano trichloride: CuAl(CN)Cl3 : its preparation and use for the reversible complexing of unsaturated ligands
10/08/1985US4545965 Absorption with an anhydrous oslution of a teritary amine and an o
10/08/1985US4545861 Decreasing external energy input by rugulating rate of energy addition
10/08/1985CA1194809A1 Process for the separation of ortho aromatic isomers by selective adsorption
10/02/1985EP0155992A2 Process for the separation of aromatics from hydrocarbon mixtures with any concentration of aromatics
09/1985
09/25/1985EP0155898A2 Inhibiting polymerization of vinylaromatic monomers
09/24/1985US4543438 Extraction with sulfonae-water mixture
09/24/1985US4543437 Refining of tertiary butylstyrene
09/18/1985EP0155223A1 Process for the synthesis and purification diisopropenylbenzene
09/18/1985EP0154677A2 Process for the separation of aromatics from hydrocarbon mixtures with any concentration of aromatics
09/17/1985US4542254 Process for the separation of mixtures of aromatic hydrocarbons into single components
09/17/1985US4542253 Use of phosphate and thiophosphate esters neutralized with water soluble amines as ethylene furnace anti-coking antifoulants
09/11/1985EP0153984A2 Process and apparatus for recovering C3 hydrocarbon streams
09/10/1985US4540842 Removal of sulfur compounds from pentane
09/10/1985US4540422 Control of the concentration of methylacetylene and propadiene in a propylene/propane fractionation column
09/04/1985EP0153406A1 Process and apparatus associated with gas purification
08/1985
08/28/1985EP0067812B1 Scavenging hydrogen sulfide from hydrocarbon gases
08/27/1985US4538013 Process for producing Diels-Alder adducts while inhibiting the formation of polymeric by-products
08/27/1985US4537753 Removal of CO2 and H2 S from natural gases
08/21/1985EP0151785A2 Process for increasing the capacity of an extraction unit for the recovery of butadiene-1,3 from C4 hydrocarbon mixtures with simultaneous recovery of butene-2
08/20/1985CA1192023A1 Process for hydrodesulfurizing a gas containing oxygen and sulfur organic compounds
08/14/1985EP0151356A1 Process for the selective hydrogenation in the presence of solvents of acetylenic compounds in a C4-hydrocarbon fraction comprising butadiene
08/07/1985EP0150544A1 Process for the separation of isobutylene from a normal C4 hydrocarbon
08/06/1985US4533779 Supported palladium-gold catalyst, its manufacture and use in reactions for the selective hydrogenation of diolefinic and/or acetylenic hydrocarbons