ClassID:

90741

C07C7/13 - page 2 - CPC Classification

Classification description:

Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique

Recent Application in this class:
#301
20080139863
2008-06-12

Hydrocarbon separation

#302
20080139857
2008-06-12

Method for purifying supply flows containing aromates by means of zeolites

#303
20080125615
2008-05-29

Method of separating dimethylnaphthalene isomers

#304
20080121586
2008-05-29

Process and device for simulated moving bed separation with a reduced number of large diameter valves

#305
20080076952
2008-03-27

Mixed matrix adsorbent for para-xylene separation

#306
20080071127
2008-03-20

Process for removal of oxygenates from a paraffin stream

#307
20080071126
2008-03-20

Process for producing para-xylene

#308
20080051619
2008-02-28

Olefin-Separation Process

#309
20080033223
2008-02-07

Method for the production of Caldehydes and propene from a Cstream containing 1-butene and 2-butene

#310
20080029437
2008-02-07

Olefin upgrading process with guard bed regeneration

#311
20080027259
2008-01-31

Molecular sieve composition (EMM-10-P), its method of making, and use for hydrocarbon conversions

#312
20080027256
2008-01-31

Molecular sieve composition (EMM-10), its method of making, and use for hydrocarbon conversions

#313
20070261551
2007-11-15

Separation of carbon dioxide from other gases

#314
20070249882
2007-10-25

Process for producing para-xylene

#315
20070173675
2007-07-26

Reduction of the Bromine Index of linear alkylbenzenes

#316
20070112240
2007-05-17

Process for reducing Bromine Index of hydrocarbon feedstocks

#317
20070106107
2007-05-10

Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene

#318
20070043253
2007-02-22

Process for separating meta-xylene from a feed of aromatic hydrocarbons by liquid phase adsorption using tetraline as a desorbant

#319
20070038012
2007-02-15

Process for separating meta-xylene from a feed of aromatic hydrocarbons by liquid phase adsorption

#320
20070010682
2007-01-11

Process for the manufacture of diesel range hydrocarbons

#321
20060252972
2006-11-09

Adsorption process with on-line adsorbent removal

#322
20060247481
2006-11-02

Process for removal of oxygenates from a paraffin stream

#323
20060115421
2006-06-01

Process for separation by selective adsorption on a solid containing a zeolite with a crystalline structure analogous to IM-12

#324
20060111598
2006-05-25

Diisobutylene process

#325
20060020154
2006-01-26

Reduction of the Bromine Index of linear alkylbenzenes

#326
20060011542
2006-01-19

Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl

#327
20050288471
2005-12-29

Method for producing oligomers derived from butenes

#328
20050199548
2005-09-15

Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl

#329
20050170947
2005-08-04

Agglomerated zeolitic adsorbents, their process of preparation and their uses

#330
20050167338
2005-08-04

Para-xylene process using perm-selective separations

#331
20050165265
2005-07-28

Process for producing para-xylene

#332
20050152819
2005-07-14

Process and apparatus for the removal of nitrogen compounds from a fluid stream

#333
20050143612
2005-06-30

Production of alkyl aromatic compounds

#334
20050137443
2005-06-23

Regenerative removal of trace carbon monoxide

#335
20050137442
2005-06-23

Process for the removal of nitrogen compounds from a fluid stream

#336
20050096494
2005-05-05

Light hydrocarbon separation using 8-member ring zeolites

#337
20050085558
2005-04-21

Integrated Fischer-Tropsch process for production of linear and branched alcohols and olefins

#338
20050080305
2005-04-14

Diisobutylene process

#339
20050054885
2005-03-10

Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures

#340
20050038308
2005-02-17

Process for co-producing para-xylene and styrene

#341
18093551
2023-08-22

Method for reducing carbon dioxide to manufacture multi-carbon hydrocarbon compound

#342
15886153
2018-10-09

Processes for separating dimethyl biphenyl isomers using zeolite adsorbents

#343
15222086
2017-07-25

Process for purifying ethylene produced from a methanol-to-olefins facility

#344
14550638
2015-08-18

Ethylene separation with pressure swing adsorption

#345
14449443
2015-09-08

Ethylene separation with temperature swing adsorption