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Class Information
Number: 585/259
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Hydrocarbon is contaminant in desired hydrocarbon > Hydrogenation of diolefin or triple bond
Description: Subject matter wherein the contaminant has a triple bond which is hydrogenated or has two double bonds, one or both of which is hydrogenated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6686510 |
Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms |
Feb. 3, 2004 |
| 6627778 |
Selective hydrogenation process for removing C10-C16 diolefins |
Sep. 30, 2003 |
| 6586647 |
Process for hydrogenating acetylenes |
Jul. 1, 2003 |
| 6569318 |
Process for conversion of hydrocarbons on a catalyst with controlled acidity |
May. 27, 2003 |
| 6512151 |
Process for the purification and production of a diolefin hydrocarbon stream |
Jan. 28, 2003 |
| 6495030 |
Process for the desulfurization of FCC naphtha |
Dec. 17, 2002 |
| 6486369 |
Process for selective hydrogenation of an olefinic feed stream containing acetylenic and diolefinic impurities |
Nov. 26, 2002 |
| 6482997 |
Conversion reactions for organic compounds |
Nov. 19, 2002 |
| 6469223 |
Selective hydrogenation of dienes |
Oct. 22, 2002 |
| 6455746 |
Ultrafine polymetallic particles, preparation and use for hydrogenating olefins and for coupling halogenated aromatic derivatives |
Sep. 24, 2002 |
| 6444118 |
Process for sulfur reduction in naphtha streams |
Sep. 3, 2002 |
| 6437206 |
Catalyst and processes for the selective hydrogenation of unsaturated compounds in hydrocarbon streams |
Aug. 20, 2002 |
| 6417419 |
Process for hydrogenating acetylenes |
Jul. 9, 2002 |
| 6413413 |
Hydrogenation process |
Jul. 2, 2002 |
| 6414205 |
Process for the removal of MAPD from hydrocarbon streams |
Jul. 2, 2002 |
| 6410811 |
Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column |
Jun. 25, 2002 |
| 6407300 |
Apparatus and process for hydrogenations |
Jun. 18, 2002 |
| 6388150 |
Selective hydrogenation process and catalyst therefor |
May. 14, 2002 |
| 6376735 |
Process to remove reaction by-products from a selective hydrogenation effluent stream |
Apr. 23, 2002 |
| 6358399 |
Process for separating ethane and ethylene by solvent absorption and hydrogenation of the solvent phase |
Mar. 19, 2002 |
| 6358482 |
Facility for the production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms |
Mar. 19, 2002 |
| 6340429 |
Process and device for separating ethane and ethylene from a steam-cracking effluent by solvent absorption and hydrogenation of the solvent phase |
Jan. 22, 2002 |
| 6329561 |
Impurities removal |
Dec. 11, 2001 |
| 6297414 |
Deep selective hydrogenation process |
Oct. 2, 2001 |
| 6288295 |
Catalyst for use in organic compound transformation reactions |
Sep. 11, 2001 |
| 6278033 |
Catalyst and process for purifying streams of materials |
Aug. 21, 2001 |
| 6271428 |
Process for the purification of a diolefin hydrocarbon stream |
Aug. 7, 2001 |
| 6255548 |
Process for selective hydrogenation of unsaturated compounds |
Jul. 3, 2001 |
| 6239322 |
Selective hydrogenation catalysts containing palladium, also tin and/or lead, and the preparation and use thereof |
May. 29, 2001 |
| 6235954 |
Hydrocarbon hydrogenation catalyst and process |
May. 22, 2001 |
| 6225515 |
Process for the purification of a diolefin hydrocarbon stream |
May. 1, 2001 |
| 6218589 |
Method for improving the operation of a propane-propylene splitter |
Apr. 17, 2001 |
| 6194623 |
Hydrogenation of organic compounds with the use of the NEMCA effect |
Feb. 27, 2001 |
| 6187173 |
Process for purification of raw gasoline from catalytic cracking |
Feb. 13, 2001 |
| 6169218 |
Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams |
Jan. 2, 2001 |
| 6166278 |
Use of naturally acid smectites to remove olefins from aromatics or aromatic mixtures and processes therewith |
Dec. 26, 2000 |
| 6127588 |
Hydrocarbon hydrogenation catalyst and process |
Oct. 3, 2000 |
| 6124514 |
Process for generating pure benzene from reformed gasoline |
Sep. 26, 2000 |
| 6118034 |
Process for the selective hydrogenation of dienes in reformate flows |
Sep. 12, 2000 |
| 6107533 |
Foulant reducing upstream hydrogenation unit systems |
Aug. 22, 2000 |
| 6084140 |
Catalyst for selective hydrogenation of highly unsaturated hydrocarbon compound in olefin compound |
Jul. 4, 2000 |
| 6075173 |
Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms |
Jun. 13, 2000 |
| 6072091 |
Process for selective hydrogenation of a hydrocarbon cut containing at least three carbon atoms |
Jun. 6, 2000 |
| 6054409 |
Selective hydrogenation catalyst and a process using that catalyst |
Apr. 25, 2000 |
| 6054630 |
Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen |
Apr. 25, 2000 |
| 6037510 |
Catalytic gas-phase hydrogenation of olefins |
Mar. 14, 2000 |
| 6011188 |
Multi-bed selective hydrogenation of acetylenes |
Jan. 4, 2000 |
| 6007704 |
Process for the production of catalytic cracking gasoline with a low sulphur content |
Dec. 28, 1999 |
| 6002058 |
Process for the alkylation of benzene |
Dec. 14, 1999 |
| 5998683 |
Process for forming cyclopentane from dicyclopentadiene |
Dec. 7, 1999 |
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