| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 09/24/1997 | CN1160033A Method for separation of cracking C5 fraction by pre-removal process of alkyne |
| 09/23/1997 | US5670692 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 09/23/1997 | US5670663 Recovery of taxanes from conifers |
| 09/23/1997 | US5670131 Synthetic porous crystalline MCM-61, its synthesis and use |
| 09/18/1997 | WO1997033952A1 Polymerization inhibitor composition |
| 09/17/1997 | EP0795529A1 Process for producing highly pure 2,6-dimethylnaphthalene |
| 09/17/1997 | EP0794933A1 A method for inhibiting premature polymerization of vinyl aromatic monomers |
| 09/17/1997 | CN1159365A Catalyst for deodorizing and refining cymogene and application thereof |
| 09/12/1997 | WO1997032838A1 Production of a high purity butene-1 product from butadiene-rich c4 stream |
| 09/03/1997 | EP0792928A2 Process for the recovery of pure aromatics from reforming gasoline and apparatus for carrying out this process |
| 09/03/1997 | EP0792858A2 Process for the purification of 2,6-dimethylnaphthalene and its use in the production of 2,6-naphthalenedicarboxylic acid |
| 09/03/1997 | CN1035760C Tech. for producing fine naphthalene by emulsifying crystalization |
| 09/02/1997 | US5663446 Catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same |
| 08/27/1997 | CN1157811A Method for separating cyclohexene |
| 08/26/1997 | US5660603 Using aqueous liquid to selectively absorb one of gases in mixture |
| 08/21/1997 | WO1997030352A1 Recovery of taxanes from conifers |
| 08/21/1997 | CA2245583A1 Recovery of taxanes from conifers |
| 08/20/1997 | CN1157651A Method for inhibiting hydrate formation |
| 08/20/1997 | CN1157280A Light hydrocarbon separation method capable of raising ethylene recovery |
| 08/19/1997 | US5659107 Separation of cyclopentadiene from dicyclopentadiene |
| 08/19/1997 | US5659096 Combination of olefin oligomerization and paraffin alkylation |
| 08/19/1997 | US5659095 Composition for inhibiting the polymerization of aromatic vinyl monomers |
| 08/13/1997 | CN1156975A Catalyst comprising at least hydrogenation metal component and synthetic clay |
| 08/07/1997 | WO1997028110A1 Hydrocarbon separation |
| 08/06/1997 | EP0787517A1 An improved simulated moving bed adsorption separation process |
| 08/06/1997 | CN1156138A Separation of phenol |
| 08/03/1997 | CA2196585A1 Procedure for generating pure aromatics from reformed gasoline and device for implementing the procedure |
| 07/31/1997 | WO1997027162A1 Process for production of paraxylene |
| 07/31/1997 | WO1997027161A1 Process for conversion of ethylbenzene |
| 07/31/1997 | WO1997027159A1 Separation process in which a membrane is used |
| 07/31/1997 | CA2244181A1 Process for conversion of ethylbenzene |
| 07/31/1997 | CA2244179A1 Process for production of paraxylene |
| 07/30/1997 | EP0786443A1 Separation of phenol |
| 07/29/1997 | US5652214 Treating disorders by application of insulin-like growth factors and analogs |
| 07/23/1997 | CN1154961A Method for purifying liushuangwei-pesticide for killing cotton bollworm |
| 07/19/1997 | CA2167567A1 Separation of phenol |
| 07/16/1997 | CN1154354A Hydrocarbon alkylation process |
| 07/15/1997 | US5648588 Extraction of sulfone and hydrogen fluoride from hydrocarbons with base and treatment with water |
| 07/15/1997 | US5648576 Catalytic hydrogenation process and a catalyst for use in the process |
| 07/15/1997 | US5648574 Hydroxylamine, phenylenediamine |
| 07/15/1997 | US5648573 Benzoquinone derivative, hydroxylamine compound |
| 07/15/1997 | US5648572 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 07/15/1997 | US5648311 Catalyst for hydrorefining |
| 07/10/1997 | WO1997024413A1 Method for selective hydrogenation of a distillation cut of hydrocarbons |
| 07/10/1997 | WO1997024303A1 Method for purifying crystalline substance |
| 07/10/1997 | WO1997024302A1 Method for purifying crystalline substance |
| 07/10/1997 | CA2241571A1 Method for purifying crystalline substance |
| 07/02/1997 | EP0781829A1 Process and apparatus for the selective hydrogenation by catalytic distillation |
| 06/25/1997 | EP0780354A1 Process for the alkylation of aromatic compounds |
| 06/18/1997 | EP0778792A1 Catalyst comprising at least a hydrogenation metal component and a synthetic clay |
| 06/18/1997 | CN1151908A Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbonaceous streams |
| 06/17/1997 | US5639935 Process for recovering olefins from gaseous mixtures |
| 06/17/1997 | US5639928 Dehydration of 1-phenyl ethanol |
| 06/11/1997 | EP0777837A1 A method for inhibiting hydrate formation |
| 06/11/1997 | CN1151329A Separation of substances from liquid mixture by crystallization |
| 06/11/1997 | CN1035111C Process for removal of carbon monoxide from alpha-olefins and saturated hydrocarbons |
| 06/10/1997 | US5637603 Use of disulfonyl methanes and anthelmintics for the control of parasites |
| 06/04/1997 | CN1150953A Chelating metallo-organic compound adsorption method and alumina base adsorbent |
| 05/29/1997 | WO1997019021A1 Zeolite itq-1 |
| 05/28/1997 | EP0775099A1 Bf3 promoter process |
| 05/28/1997 | EP0774956A1 PROCESS FOR PREPARING BECLOMETHASONE DIPROPIONATE FREON$m(3) CLATHRATE |
| 05/21/1997 | CN1150136A Method for separating alpha-olefin by distilling liquid containing ethene and 1-butene |
| 05/13/1997 | US5629467 Process and apparatus for the separation of p-xylene in C8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization |
| 05/13/1997 | US5629450 Reaction of n-acyl-aspartic or glutamic acid with a-phenylethylamine or a-phenylpropylamine, fractional crystallization of salt |
| 05/09/1997 | WO1997016505A1 Propane recovery process |
| 05/09/1997 | WO1997016400A1 Process for the deparaffination of squalane |
| 05/09/1997 | WO1997016399A1 Method and apparatus for concentrating methane in anaerobic digestive fermentation gas |
| 05/09/1997 | WO1997016397A1 Lead- and barium-free igniter compounds |
| 05/07/1997 | EP0771776A1 Process for removing titanium or vanadium alkoxide from liquid hydrocarbon mixtures |
| 05/07/1997 | EP0643679B1 Process for the removal of green oil from a hydrocarbon stream |
| 05/07/1997 | CN1148993A Comprehensive purifying apparatus for waste acetone and toluene solvant |
| 05/06/1997 | US5626034 Heat exchange |
| 05/02/1997 | EP0770420A2 Composition and method for acid gas treatment |
| 05/02/1997 | EP0769983A1 An in-situ crystallized zeolite containing composition (lai-isc) |
| 05/01/1997 | WO1997015795A1 Rectified reflux deethanizer |
| 05/01/1997 | WO1997015554A1 Natural carotenoid concentrates from plant material and a process for preparing the same |
| 04/30/1997 | DE19540278A1 Blei- und Barium-freie Anzündsätze Lead and barium-free ignition charges |
| 04/30/1997 | CN1148615A Method for removing sulfolane in hydrocarbon |
| 04/30/1997 | CN1034729C Method for extracting crude anthracene from anthracene oil |
| 04/29/1997 | US5625116 Process for the removal of carbon monoxide from alpha-olefins and saturated hydrocarbons |
| 04/24/1997 | CA2188489A1 Improved composition and method for acid gas treatment |
| 04/23/1997 | EP0769484A2 Method for separating cyclohexene |
| 04/23/1997 | EP0626989B1 Absorption process for ethylene and hydrogen recovery |
| 04/23/1997 | EP0522041B1 Process for the production of an ether |
| 04/23/1997 | CN1148079A Method of eliminating mercury from liquid hydrocarbons |
| 04/23/1997 | CN1034658C Process for preparing alkylbenzene |
| 04/15/1997 | US5620589 Chemically active vapor/liquid separator |
| 04/10/1997 | WO1997012838A1 Synthetic porous crystalline mcm-61, its synthesis and use |
| 04/10/1997 | CA2228177A1 Synthetic porous crystalline mcm-61, its synthesis and use |
| 04/09/1997 | EP0766984A1 Process for separating substances of a liquid mixture by crystallisation |
| 04/09/1997 | EP0580736B1 Process for upgrading the quality of light ends |
| 04/03/1997 | WO1997011764A1 Distillation of vinylaromatic monomer |
| 04/03/1997 | CA2232954A1 Distillation of vinylaromatic monomer |
| 04/02/1997 | EP0765850A1 Process for the preparation of para-xylene from an effluent of the paraselective dismutation of toluene by a cristallisation process linked to adsorption in a simulated moving bed |
| 04/01/1997 | US5616774 Polymerization inhibition during the distillation and purification process of aromatic vinyl or acrylic compounds |
| 04/01/1997 | US5616238 Solvent extraction of hydrocarbon oils producing an increased yield of improved quality raffinate |
| 03/26/1997 | EP0764623A1 Method for removing sulfolane present in hydrocarbon |
| 03/26/1997 | EP0764463A2 Palladium containing supported catalyst for the selective hydrogenation of acetylen in hydrocarbon streams |
| 03/26/1997 | CN1034326C Method of separation and purification of Fowler olefinic carbon 70 by recrystallization |
| 03/25/1997 | US5614525 Salts of disulfonyl methane compounds which are useful as parasiticide agents |