| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 10/22/1987 | DE3612443A1 Process for preparing tetraisobutylene from diisobutylene |
| 10/21/1987 | EP0242147A2 The use of polycarbonate containing semipermeable membranes in the separation of gases. |
| 10/21/1987 | EP0241661A1 Process for preparing technically pure cyclohexadecadiene free of chlorine |
| 10/21/1987 | EP0241638A2 Process for the preparation of an aromatic concentrate useful as a blending component for carburettor fuels |
| 10/21/1987 | EP0241485A1 Selective processing of gases containing olefins by the mehra process |
| 10/20/1987 | US4701190 Process for recovering methylacetylene and/or propadiene |
| 10/20/1987 | US4701188 Separation and dehydration |
| 10/20/1987 | US4701187 Semipermeability membranes |
| 10/20/1987 | CA1228302A1 Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes |
| 10/13/1987 | US4700012 Using zeolite catalyst and platinum |
| 10/13/1987 | US4699892 Aluminum or gallium, silicon or germanium oxides on porous support; separation or catalytic action |
| 10/07/1987 | EP0240297A1 Inhibiting polymerization of vinyl aromatic compounds |
| 10/07/1987 | EP0240188A2 Process for separating hydrocarbon gas constituents |
| 10/07/1987 | EP0240186A2 Process for separating hydrocarbon gas constituents |
| 10/07/1987 | CN86107236A Sulfur removal from hydrocarbons |
| 10/06/1987 | US4698453 Selective adsorption on y-type zeolites with silver or copper ions |
| 10/06/1987 | US4698081 Process for separating hydrocarbon gas constituents utilizing a fractionator |
| 10/06/1987 | CA1227809A1 Modification of hydrocarbon conversion processes over crystalline aluminosilicate zeolite-based catalysts by incorporation of a molybdenum compound |
| 09/30/1987 | EP0239177A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids |
| 09/29/1987 | US4696688 Conversion of lean oil absorption process to extraction process for conditioning natural gas |
| 09/29/1987 | CA1227449A1 Composition for minimizing fouling of heat exchangers and other hydrocarbon processing equipment |
| 09/29/1987 | CA1227443A1 Process for drying gas streams |
| 09/23/1987 | CN87100819A Temperature stable liquid composition |
| 09/22/1987 | US4695672 Process for extractive-stripping of lean hydrocarbon gas streams at high pressure with a preferential physical solvent |
| 09/22/1987 | US4695671 Tetramethyltetrahydronaphthalene purification process |
| 09/22/1987 | US4695664 Method of recovering heat from low temperature effluent |
| 09/22/1987 | US4695304 Separation of CO2 from a gaseous mixture |
| 09/22/1987 | CA1227123A1 Nitrogen rejection from natural gas integrated with ngl recovery |
| 09/16/1987 | EP0237175A1 Improved process for reducing fouling in higher olefin plants |
| 09/09/1987 | EP0235462A1 Continuous process for mercaptan extraction from a highly olefinic feed stream |
| 09/08/1987 | US4692179 Process for using alkyl substituted C8-C10 aromatic hydrocarbons as preferential physical solvents for selective processing of hydrocarbon gas streams |
| 09/08/1987 | EP0219496A4 Apparatus and method of decontaminating hydrocarbons containing pcb. |
| 09/08/1987 | CA1226552A1 Integrated fractionation in the recovery of alkylaromatic hydrocarbons |
| 09/08/1987 | CA1226551A1 Method for the separation of aromates from a hydrocarbon mixture of optional aromate content |
| 09/02/1987 | EP0234679A1 Hydrocarbon conversion processes over crystalline borosilicate catalysts for pseudocumene recovery |
| 09/02/1987 | EP0234671A1 Temperature stable liquid polymerization inhibitor |
| 09/01/1987 | US4691074 Monochlorobiphenyl:cuprous aluminum tetrachloride |
| 09/01/1987 | US4690805 Process for removal of mercaptans from gas streams |
| 09/01/1987 | US4690750 Micro-porous superlattice separations |
| 09/01/1987 | US4690733 Solvent extraction and steam distillation for recovery of aromatics |
| 09/01/1987 | US4690708 Herbicides derived from aryloxybenzenecarboxylic acid imides |
| 09/01/1987 | US4690702 Natural gas, hydrocarbon condensates, petroleum gases; |
| 09/01/1987 | CA1226239A1 Tertiary butylstyrene recovery |
| 08/26/1987 | EP0233609A2 Improved nitrogen rejection fractionation system for variable nitrogen content natural gas |
| 08/26/1987 | EP0233220A1 Processing inert-rich natural gas streams |
| 08/26/1987 | CN86108265A Improved dehydrogenation process for producing styrene by phenylethane |
| 08/25/1987 | US4689063 Process of fractionating gas feeds and apparatus for carrying out the said process |
| 08/19/1987 | CN86108873A Recovery of dimethyl ether form liquid phase olefinic c3-c5 feedstocks |
| 08/19/1987 | CN86108658A Continous process for mercaptan extraction from highly definic feed stream |
| 08/18/1987 | US4687878 Separation of hydrocarbons using magnetizable adsorbents |
| 08/18/1987 | US4687499 Process for separating hydrocarbon gas constituents |
| 08/13/1987 | WO1987004702A1 Process for reducing fouling in higher olefin plants |
| 08/12/1987 | EP0231949A1 Process to separate nitrogen and methane |
| 08/12/1987 | EP0231496A1 Process for separating isomers of toluenediamine |
| 08/11/1987 | CA1225338A1 N-paraffin-isoparaffin separation process using wash of recycle purge gas |
| 08/05/1987 | EP0230754A1 Separation of gaseous mixtures |
| 08/05/1987 | EP0230700A1 Separation of 1,3-butadiene |
| 08/05/1987 | CN86108766A Process for separating isomers of toluenediamine |
| 08/04/1987 | CA1224911A1 Carbon dioxide hydrocarbons separation process |
| 07/29/1987 | EP0230366A2 Method for controlling fouling of hydrocarbon compositions containing olefinic compounds |
| 07/29/1987 | EP0229994A1 Process for the removal of dimethyl ether contained as an impurity in liquid olefinic C3-C5 feeds |
| 07/29/1987 | EP0229987A1 A continuous process for producing 5-vinyl-2-norbornene |
| 07/29/1987 | CN86108600A Recovery product obtaining from dehydro-cyclic dimerization process |
| 07/29/1987 | CN86107292A Novel silane derivs., process for prepn. thereof, the derivs.-contg. composition and uses as pecticide thereof |
| 07/29/1987 | CN86107269A Recovery isoprene in preparing butyl rubber |
| 07/28/1987 | US4683033 Colorless |
| 07/28/1987 | CA1224811A1 Polymerization inhibition process for vinyl aromatic compounds |
| 07/22/1987 | EP0229521A1 Reducing contamination of olefinic hydrocarbons |
| 07/22/1987 | EP0229515A1 Inhibiting polymerisation of vinyl aromatic monomers |
| 07/21/1987 | US4681612 Process for the separation of landfill gas |
| 07/16/1987 | WO1987004179A1 Method for controlling fouling of hydrocarbon compositions containing olefinic compounds |
| 07/15/1987 | EP0228980A1 A process for the preparation of hexamethyl tetracosanes |
| 07/15/1987 | EP0228623A1 Process for separating C5+-hydrocarbons from a gaseous stream |
| 07/14/1987 | US4680042 Extractive stripping of inert-rich hydrocarbon gases with a preferential physical solvent |
| 07/14/1987 | CA1224219A1 Process for the selective hydrogenation of acetylene contained in a mixture of acetylene and ethylene |
| 07/14/1987 | CA1224218A1 Inhibiting polymerization of vinylaromatic monomers |
| 07/07/1987 | CA1223839A1 Method for the separation of aromates from hydrocarbon mixtures of optional aromate content |
| 07/01/1987 | EP0227259A1 Sulfur removal from hydrocarbons |
| 06/30/1987 | US4677240 Hydrocarbon conversion processes over crystalline borosilicate catalysts for pseudocumene recovery |
| 06/30/1987 | US4676875 Using dimethylformamide alone or in a mixture |
| 06/30/1987 | US4676872 In rectification column |
| 06/30/1987 | US4676812 Rectification |
| 06/24/1987 | EP0226064A2 Improved dehydrogenation process for production of styrene from ethylbenzene comprising low temperature heat recovery and modification of the ethyl-benzene-steam feed therewith |
| 06/23/1987 | US4675463 Process for reducing fouling in higher olefin plants |
| 06/23/1987 | US4675036 Process for the separation of C2+ or C3+ hydrocarbons from a pressurized hydrocarbon stream |
| 06/16/1987 | US4673489 Method for prevention of fouling in a basic solution by addition of specific nitrogen compounds |
| 06/16/1987 | US4673465 Separation of m-xylene from o-xylene by extractive distillation with polychloro compounds |
| 06/16/1987 | EP0225692A1 Method for prevention of fouling in a basic solution |
| 06/10/1987 | EP0224748A1 Process for recovering propyne and propadiene |
| 06/09/1987 | US4671946 Catalytic conversion of hydrogen sulfide and carbon dioxide to carbonyl sulfide |
| 06/03/1987 | EP0224383A1 Hydrogen-producing hydrocarbon conversion process |
| 06/03/1987 | EP0224284A1 Process and apparatus for separating branched from unbranched hydrocarbons |
| 06/03/1987 | EP0224024A1 Silane derivatives, process for their preparation, agents containing them and their use as pesticides |
| 06/03/1987 | CN85109128A Integrated fractionation in recovery of alkylaramatic hydrocarbons |
| 06/03/1987 | CN85106368A Dehydrocyclodimerization process |
| 06/02/1987 | US4670131 Free radical nitroxide |
| 05/26/1987 | US4668379 Process for magnetically stabilizing a fluidized bed containing nonmagnetizable particles and a magnetizable fluid |
| 05/26/1987 | CA1222258A1 Separation of a c.sub.4-hydrocarbon mixture essentially containing n-butenes and butanes |
| 05/26/1987 | CA1222128A1 Enhancement of efficiency of acid gas scrubbing processes |
| 05/20/1987 | EP0222248A1 Method for the distillation of styrene |