| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 03/19/1997 | EP0763588A1 Process for eliminating i-alkenes from hydrocarbon mixtures |
| 03/19/1997 | EP0763515A1 Hydrocarbon alkylation |
| 03/19/1997 | EP0763003A1 Crystallization of paraxylene from high purity paraxylene feeds |
| 03/19/1997 | CN1145354A Process and appts. for C4 and C5 olefine hydrocarbon fraction conversion into ether and propene |
| 03/16/1997 | CA2182936A1 Hydrocarbon alkylation process |
| 03/13/1997 | WO1997009271A1 Process for separating selected components from multi-component natural gas streams |
| 03/13/1997 | CA2229186A1 Process for separating selected components from multi-component natural gas streams |
| 03/12/1997 | EP0606333B1 Desulphurisation treatment |
| 03/12/1997 | EP0491767B1 Absorbent material and uses thereof |
| 03/12/1997 | CN1144793A Integrated process for production of butene-1 |
| 03/12/1997 | CN1034226C Process and adsorption tower for adsorbing acetylene from rough mixed gas |
| 03/12/1997 | CN1034225C Process and adsorption tower for adsorbing acetylene from rough mixed gas |
| 03/11/1997 | US5609734 Combined distillation and permeation process for the separation of oxygenated compounds from hydrocarbons and use thereof in etherification |
| 03/05/1997 | CN1034165C Absorption process for ethylene and hydrogen recovery |
| 03/05/1997 | CN1034164C Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 02/25/1997 | US5605619 Desulphurization treatment |
| 02/19/1997 | CN1034069C Process and device for separation of para-xylene from octa-arene by adsorption and crystallization with analogue movable bed |
| 02/11/1997 | US5602294 Using a extractive agent comprising o-cresol, dichloroacetic acid, methylsalicylate or t-tetradecanol and recovering o-xylene and the agent as bottoms |
| 02/11/1997 | US5602293 Process for separating a feedstock stream essentially consisting of hydrogen, methane and C3 /C4 -hydrocarbons |
| 02/11/1997 | US5602290 Pretreatment of dilute ethylene feedstocks for ethylbenzene production |
| 02/05/1997 | EP0666895B1 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |
| 02/04/1997 | US5600049 Process for depropanizing benzene |
| 01/30/1997 | WO1997003148A1 Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 01/29/1997 | EP0755994A2 Method of eliminating mercury from liquid hydrocarbons |
| 01/29/1997 | EP0755907A1 Process for the separation of alpha-olefins by destillation from an effluent comprising ethylene and butene-1 |
| 01/29/1997 | EP0604605A4 Treating disorders by application of insulin-like growth factors and analogs. |
| 01/29/1997 | CN1141281A Method for recovery of petroleum acids from mixed extract of isopropyl alcohol-ammonia water |
| 01/28/1997 | US5597455 Separation of 3-carene and limonene by extractive distillation |
| 01/28/1997 | CA2182154A1 Method for eliminating mercury from liquid hydrocarbons |
| 01/23/1997 | WO1997002224A1 Vinylaromatic and cyclic aliphatic monomer purification process |
| 01/22/1997 | EP0754169A1 Single temperature stage crystalization to recover paraxylene |
| 01/22/1997 | CN1140749A Process and apparatus for converting C4 olefine fraction to polyisobutylene and propene |
| 01/21/1997 | US5596122 Use of disulfonyl methanes for the control of parasites |
| 01/21/1997 | US5595634 Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 01/09/1997 | WO1997000718A1 Vapour recovery process and unit |
| 01/08/1997 | EP0752271A1 Process for adsorption of chelated organometallic compounds and alumina based adsorbents containing a chelated organometallic compound |
| 01/08/1997 | CN1139658A Transalkylation of polyalkylaromatic hydrocarbons |
| 01/07/1997 | US5591250 Material and process for separating carbon dioxide from methane |
| 01/02/1997 | EP0751106A1 Integrated process for the production of butene-1 |
| 01/01/1997 | CN1139119A Adsorption method of chelatometric metallo-organic compound and alumina particle containing it |
| 01/01/1997 | CN1139095A Sym-trimethylbenzene producing method by separating mixed C9 arene |
| 01/01/1997 | CN1139094A Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 12/31/1996 | CA2180284A1 Integrated process for the production of butene-1 |
| 12/27/1996 | WO1996041834A1 Polymers for use as hydrate inhibitors |
| 12/27/1996 | WO1996041786A1 Method for inhibiting hydrate formation |
| 12/27/1996 | WO1996041785A1 Method for inhibiting hydrate formation |
| 12/27/1996 | WO1996041784A1 Method for inhibiting hydrate formation |
| 12/27/1996 | WO1996041783A1 Treatments for inhibiting vinyl aromatic monomer polymerization |
| 12/27/1996 | WO1996041782A1 Bf3 promoter process |
| 12/24/1996 | US5587494 Practical, cost-efficient chiral synthesis of dihydrosphingosines |
| 12/24/1996 | US5587348 Alkyne hydrogenation catalyst and process |
| 12/19/1996 | WO1996040604A1 Hydrocarbon gas processing |
| 12/19/1996 | DE4042655C2 Synthetic crystalline aluminosilicate, useful as catalyst |
| 12/18/1996 | EP0748784A1 Process for the preparation of alkylated aromatic compounds |
| 12/17/1996 | US5585318 Alkyne hydrogenation process |
| 12/17/1996 | CA2052269C Sorption of trialkyl arsines |
| 12/11/1996 | EP0747335A1 Polymerization inhibitor process |
| 12/11/1996 | EP0746596A1 Process for producing thermally cracked products from hydrocarbons |
| 12/10/1996 | US5583274 Alkyne hydrogenation process |
| 12/10/1996 | US5583273 Method for inhibiting hydrate formation |
| 12/10/1996 | US5583248 Amino acid derivatives having antiviral activity |
| 12/10/1996 | US5583247 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 12/10/1996 | US5582693 Separation of 3-carene and limonene by azeotropic distillation |
| 12/10/1996 | EP0754169A4 Single temperature stage crystalization to recover paraxylene |
| 12/10/1996 | CA2101523C Inhibiting popcorn polymer formation with alkyl halides |
| 12/05/1996 | WO1996038399A1 Treatments for inhibiting vinyl aromatic monomer polymerization |
| 12/04/1996 | CN1137033A Co-cracking of BPA and phenol process tars |
| 12/04/1996 | CN1136978A Selective ethene adsorbent and producing process thereof |
| 11/27/1996 | EP0569501B1 Inhibiting popcorn polymer formation with esters of inorganic acids |
| 11/27/1996 | CN1136549A Method for separating m-xylene and ortho-xylene from mixed xylene and ethyl benzene |
| 11/20/1996 | EP0742787A1 A process for preparing 3-methyl-2-pentene |
| 11/14/1996 | WO1996035498A1 Method and apparatus for removing ethylbenzene from mixed xylenes stream |
| 11/13/1996 | EP0742234A1 Process and installation for the conversion of the olefinic C4-cut into polyisobutene and propylene |
| 11/13/1996 | EP0742195A1 Process and installation for the conversion of C4 and C5 olefinic fractions into ethers and propylene |
| 11/12/1996 | US5573645 Recovering xylene, distillation |
| 11/06/1996 | EP0740954A1 Process for the production of finely granulated solid chemicals |
| 11/06/1996 | CN2239429Y Unit for mfg. high pure cyclopentadienyl |
| 10/30/1996 | CN1134748A Cryogenic separation |
| 10/29/1996 | US5569808 Method for regulating a process for the separation of isomers of aromatic hydrocarbons having from 8 to 10 carbon atoms |
| 10/29/1996 | US5569804 Feeding effluent from reaction of cyclic diolefin and olefin to produce alkenyl bridged ring compound to distillation column, removing product compound, removing overhead, cracking dimerized cyclic diolefin in bottoms |
| 10/29/1996 | US5569788 Process for removal of impurities from etherification feedstocks |
| 10/24/1996 | WO1996033011A1 Method of conditioning hydrocarbon liquids and an apparatus for carrying out the method |
| 10/24/1996 | WO1996022260A3 Separation of linear from branched hydrocarbons |
| 10/23/1996 | EP0738540A1 Alkyne hydrogenation catalyst and process |
| 10/23/1996 | CN1134187A Improved thermodynamic separation |
| 10/16/1996 | EP0737660A1 Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 10/16/1996 | EP0737659A1 7-Substituted quinone methides as inhibitors for unsaturated monomers |
| 10/16/1996 | EP0737512A1 Process for adsorption of chelated organometallic compounds and alumina beads comprising a chelated organometallic compound |
| 10/16/1996 | EP0737178A1 Recovery of reactants and products in production of alkenyl bridged ring compounds |
| 10/16/1996 | CN1033029C Prepn. of indenoindole compound |
| 10/15/1996 | US5565617 Separation in multizones, converting alkylhalide to alkane and hydrogen chloride in presence of hydrogenation catalyst, isomerizing butane to isobutane; pollution control |
| 10/15/1996 | CA2096141C Sequence for separating propylene from cracked gases |
| 10/09/1996 | EP0646104B1 PROCESS FOR IMPROVING PURITY OF $i(PARA)-XYLENE PRODUCT |
| 10/08/1996 | US5563315 Extracting mixture with lean solvent stream, withdrawing raffinate stream comprising nonaromatics and rich solvent stream comprising aromatics, separately mixing solute stream with raffinate and rich solvent streams, separating |
| 10/08/1996 | US5562863 Methods and compositions for inhibiting vinyl aromatic monomer polymerization |
| 10/05/1996 | CA2173282A1 Process for removing aromatics from hydrocarbon vapour streams |
| 10/03/1996 | WO1996030321A1 Use of naturally acid smectites to remove olefines from aromatics or aromatic mixtures |
| 10/03/1996 | WO1996030119A1 Catalyst for removing olefins from aromatic compounds or mixtures thereof |
| 10/02/1996 | EP0734365A1 Production of polymerization grade dicyclopentadiene |
| 10/02/1996 | DE19512137A1 Verwendung von natursauren Smektiten zur Entfernung von Olefinen aus Aromaten oder Aromatengemischen Use of naturally acid smectites to remove olefins from aromatics or aromatic |