| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 06/24/1992 | EP0491196A2 Process for the separation of aromatics from hydrocarbon mixtures with arbitrary aromatic content |
| 06/23/1992 | US5124500 Process for removing hydrogen from the presence of organic compounds |
| 06/23/1992 | CA1303821C Desulphurisation process wherein cooling of regenerated sorbent is effectedby feedstock stream |
| 06/17/1992 | EP0393029B1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 06/17/1992 | CN1017044B Process for removing impurities from aromatic stream |
| 06/17/1992 | CN1017043B Isomerization process and apparatus |
| 06/16/1992 | US5122236 Method for removal of dimethyl ether and methanol from c4 hydrocarbon streams |
| 06/11/1992 | WO1992009546A1 Adsorptive separation of alpha-olefins and internal olefins |
| 06/10/1992 | CN1061782A Polymerization inhibitor and inhibiting method for vinyl compound |
| 06/09/1992 | US5120902 Process for the preparation of a cumene feed for cumene oxidation |
| 06/09/1992 | US5120901 Olefin purification process |
| 06/09/1992 | US5120900 Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
| 06/09/1992 | US5120899 Separating adamantane, diamantane and triamantane from a solvent |
| 06/09/1992 | US5120881 Adsorption onto zeolite |
| 06/09/1992 | CA1303068C Pervaporation process for separating alcohols from ethers |
| 06/06/1992 | WO1992010448A1 Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
| 06/06/1992 | CA2096656A1 Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
| 06/03/1992 | EP0488235A1 Sorption of trialkyl arsines |
| 06/03/1992 | EP0487818A1 Process for separating isomers of disubstituted benzenes and agents to be used therefor |
| 05/26/1992 | US5116793 Process for modifying clinoptilolite adsorbent |
| 05/20/1992 | CN1016685B Process for prepering p-xylene of purity at least 99.5% |
| 05/19/1992 | CA1301200C Isoprene recovery in the butyl rubber process |
| 05/16/1992 | WO1992008773A1 Process for recovering sulphurated styrene residues |
| 05/16/1992 | CA2073870A1 Process for recovering sulphurated styrene residues |
| 05/14/1992 | WO1992008682A1 Sequence for separating propylene from cracked gases |
| 05/13/1992 | EP0485169A1 Polymerization inhibitor and inhibiting method for vinyl compound |
| 05/13/1992 | EP0484436A1 Selective sorption of dialkylated multinuclear aromatic compounds |
| 05/13/1992 | CN1061020A Process for purifying vinylaromatic nonomer |
| 05/10/1992 | CA2055085A1 Polymerization inhibitor and inhibiting method for vinyl compound |
| 05/06/1992 | EP0483999A1 Reverse osmosis process for recovery of C3-C6 aliphatic hydrocarbon from oil |
| 05/05/1992 | CA1299841C Purification of a hydrocarbon mixture |
| 04/30/1992 | WO1992006939A1 Benzoquinoneimines as vinyl aromatic polymerization inhibitors |
| 04/21/1992 | US5107062 Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent |
| 04/21/1992 | US5107061 Thermal decomposition, adsorption of hydrogen chloride on zeolites |
| 04/21/1992 | US5107059 Contacting liquid hydrocarbon mixture with one membrane face, contacting other face with polar solvent |
| 04/21/1992 | US5107058 Olefin/paraffin separation via membrane extraction |
| 04/21/1992 | US5107056 Selective separation of naphthenes from paraffins by membrane extraction |
| 04/21/1992 | US5107055 Extractive distillation with N-substituted morpholine solvent |
| 04/21/1992 | US5107052 Adsorption on molecular sieve, desorption with paraffin |
| 04/21/1992 | US5106460 Separation of 1,1,1-trichloroethane from N-hexane by extractive distillation |
| 04/21/1992 | US5106459 Using extractants such as diethylene glycol ethyl ether, isobutanol, undecyl alcohol and methyl benzoate; rectifying with few plates; azeotropes |
| 04/16/1992 | WO1992006058A1 Supercritical fluid extraction restrictor and collection system |
| 04/14/1992 | US5104570 Method for preparing olefin complexing reagents and use thereof |
| 04/14/1992 | CA1298776C Process for separation of hydrocarbon mixtures |
| 04/08/1992 | EP0479753A1 Purification of styrene monomer by multi-point injection of hydrogen over reduction catalyst |
| 04/08/1992 | EP0479354A1 Nitrided silica |
| 04/08/1992 | EP0479353A1 Hydrocarbon oil compositions |
| 04/08/1992 | CN1060106A Hydrocarbon oil compositions |
| 04/07/1992 | CA1298540C Process for separation of hydrocarbon gases |
| 04/03/1992 | CA2093220A1 Supercritical fluid extraction restrictor and collection system |
| 03/31/1992 | US5100515 Separation of alkenes from close-boiling alkanes |
| 03/31/1992 | CA1298234C Process for the separation of hydrocarbons from a mixed feedstock |
| 03/31/1992 | CA1298065C Processing nitrogen-rich, hydrogen-rich, and olefin- rich gases with physical solvents |
| 03/25/1992 | EP0476449A2 Method and apparatus for drying natural gas and for the recycling of the water solvent used for this |
| 03/25/1992 | EP0476400A1 Method of separating cyclohexene from mixtures with benzene and cyclohexane |
| 03/24/1992 | US5098576 Adsorbents for chromatography and adsorption processes |
| 03/24/1992 | CA1297913C Hydrocarbon gas processing to recover propane and heavier hydrocarbons |
| 03/24/1992 | CA1297781C Hydrocarbon recovery from fuel gas |
| 03/18/1992 | EP0475836A2 Process for separating 2,7-dimethylnaphthalene under pressure |
| 03/18/1992 | EP0475562A2 Purification of cumene recycle stream |
| 03/17/1992 | US5096682 Absorption with copper hydrocarbonsulfonate |
| 03/17/1992 | US5096681 Sorbent of vanadium pentoxide and support |
| 03/17/1992 | CA1297501C Process for two-stage catalytic conversion of an olefins-containing feed |
| 03/11/1992 | EP0473907A2 Catalytic hydrocarbon conversion process using a synthetic crystalline aluminosilicate |
| 03/11/1992 | EP0473828A1 Adsorptive separation of isopentane and di-methyl branched paraffins from mono-methyl branched paraffins |
| 03/11/1992 | CA2039848A1 Purification of cumene recycle streams |
| 03/10/1992 | US5095173 Process for isolating xylene isomer(s) and/or ethylbenzene and inclusion-complexing agent for use in isolation of xylene isomer(s) and/or ethylbenzene |
| 03/10/1992 | US5095172 Dimerization, synthetic lubricant |
| 03/10/1992 | US5095171 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation (OP-3602) |
| 03/10/1992 | US5094725 Separation of m-xylene from o-xylene by extractive distillation with esters |
| 03/10/1992 | US5094723 Separation of m-xylene from p-xylene or o-xylene by extractive distillation with alcohols |
| 03/04/1992 | EP0473506A1 Process for the conversion of aliphatic hydrocarbons in aromatic hydrocarbons |
| 03/03/1992 | US5093533 Blended gasolines and process for making same |
| 02/25/1992 | US5091059 Butyl butyrate, methyl caproate, methyl/heptanoate and similar extractants |
| 02/25/1992 | US5090977 Sequence for separating propylene from cracked gases |
| 02/25/1992 | CA1296359C Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 02/25/1992 | CA1296358C Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 02/25/1992 | CA1296357C Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 02/20/1992 | WO1992002478A1 Hydrocarbon treatment |
| 02/18/1992 | US5089034 Adsorption, desorption; multizonal; low temperature processing removing water and carbon dioxide |
| 02/18/1992 | CA1295966C Process for the separation of hydrocarbons from a mixed feedstock |
| 02/11/1992 | CA1295544C Dephlegmator process for carbon dioxide-hydrocarbon distillation |
| 02/06/1992 | WO1992001658A1 Extraction of selected hydrocarbons from a hydrocarbon stream using a carbon adsorbent |
| 02/05/1992 | EP0469569A2 Process for decabromodiphenylalkane predominant product |
| 02/04/1992 | US5085844 Sorption of trialkyl arsines |
| 02/04/1992 | US5085842 Purification of gases, solid, odorless, alkali and acid insoluble product; disposable |
| 02/04/1992 | US5085741 Separating propylene from propane by employing propylene carbonate solvent |
| 02/04/1992 | US5085740 Extractive distillation using n-alkyl-2-pyrrolidone and sulfolane compound as solvents |
| 01/28/1992 | US5083930 Ground adapter |
| 01/22/1992 | EP0467851A1 Stabilized monomer compositions |
| 01/22/1992 | EP0467850A1 Stabilized monomer compositions |
| 01/22/1992 | EP0467849A1 Stabilized monomer compositions |
| 01/22/1992 | EP0467848A1 Stabilized monomer compositions |
| 01/22/1992 | CN1058012A Chromatographic separation process for recovering either (2,6-det)or (3,5-det) from mixture thereof with another det isomer |
| 01/21/1992 | US5082987 Treatment of hydrocarbons |
| 01/21/1992 | CA2047383A1 Stabilized monomer compositions |
| 01/21/1992 | CA2047338A1 Stabilized monomer compositions |
| 01/15/1992 | EP0466470A2 Aromatics/saturates separation using membranes |
| 01/15/1992 | EP0466469A2 Aromatics/saturates separation using membranes |
| 01/14/1992 | US5080761 Method of optimizing the operation of a distillation column provided with a side heating device |