ClassID:

33416

B01J38/52 - CPC Classification

Classification description:

Regeneration or reactivation of catalysts, in general; Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids oxygen-containing

Recent Application in this class:
#1
20260115708
2026-04-30

ALTERNATE INJECTION METHOD FOR CLEANING FIXED BED REACTOR CATALYST BED IN SITU WITH CLEANING SOLVENT

#2
20260048389
2026-02-19

CROSS-FLOW FILTRATION OF SLURRY CATALYST IN A PETROLEUM-BASED LIQUID CARRIER

#3
20250214075
2025-07-03

Method for Catalyst Recovery from Carbon Nanotubes and Use of Recycled Catalyst for CNT Production thereof

#4
20250025867
2025-01-23

REACTIVATION OF A HYDROGENATION CATALYST

#5
20240382941
2024-11-21

PROCESS FOR RECOVERING AND REUSING DEPOLYMERIZATION CATALYST

#6
20230330643
2023-10-19

PROCESS FOR RECOVERING AND REGENERATING A CATALYST FROM ASH

#7
20220339617
2022-10-27

Method of maintaining the activity of pre-reform catalysts

#8
20220258142
2022-08-18

METALLOSILICATE CATALYST SOLVENT WASH

#9
20220152603
2022-05-19

Denitration catalyst regeneration method and denitration catalyst regeneration system

#10
20220072518
2022-03-10

METHOD FOR REGENERATING HYDROGENATION CATALYST

#11
20220040680
2022-02-10

Method for regenerating a catalyst which is spent and regenerated by a hydrodesulfurization process of gasolines

#12
20220023850
2022-01-27

Method for regenerating waste organic zinc catalyst through surface modification

#13
20210025842
2021-01-28

Measurement of chloride content in catalysts

#14
20200298219
2020-09-24

Process for recovering and reusing depolymerization catalyst

#15
20200282389
2020-09-10

Method for regenerating catalyst and method for producing carbonate ester

#16
20200207635
2020-07-02

Non-destructive process for removing metals, metal ions and metal oxides from alumina-based materials

#17
20200047171
2020-02-13

Methods to rejuvenate a deactivated hydroformylation catalyst solution

#18
20200031755
2020-01-30

Process for carbonylating dimethyl ether

#19
20190344255
2019-11-14

Homogeneous catalysts that are recoverable by host-guest interactions

#20
20190275509
2019-09-12

Neutral complex cleaning solution and regeneration method for denitration catalyst with calcium poisoning

#21
20190270080
2019-09-05

Catalyst containing 2-acetylbutyrolactone and/or the hydrolysis products thereof, and use thereof in a hydrotreatment and/or hydrocracking process

#22
20190270079
2019-09-05

Water soluble homogeneous catalysts that are recoverable by phase selectivity and host-guest interactions

#23
20190151834
2019-05-23

Catalyst made from an organic compound and use thereof in a hydroprocessing and/or hydrocracking method

#24
20190119411
2019-04-25

Process for recovery of residual hydrogenation catalyst from hydrogenated nitrile rubber solution

#25
20180363528
2018-12-20

Recovering deactivated metal/zeolite catalysts

#26
20180207630
2018-07-26

Method of cleaning a diesel particulate filter

#27
20180194705
2018-07-12

Process for making cyclohexanone

#28
20180050332
2018-02-22

Water soluble homogeneous catalysts that are recoverable by phase selectivity and host-guest interactions

#29
20180050331
2018-02-22

Homogeneous catalysts that are recoverable by host guest interactions

#30
20180015450
2018-01-18

Method for regenerating hydrogenation catalyst for phthalate compound

#31
20170297009
2017-10-19

Catalyst system for olefin metathesis

#32
20160288115
2016-10-06

Method for recovering catalyst

#33
20160256864
2016-09-08

Regeneration of clay catalysts for alkylation of aromatic rings

#34
20160256824
2016-09-08

Method for regenerating SCR denitration catalyst assisted by microwaves and device therefor

#35
20160008799
2016-01-14

Hydroprocessing catalyst, preparation method thereof and use of same

#36
20150274689
2015-10-01

Method for producing multisubstituted biphenyl compound and solid catalyst to be used therein

#37
20150259611
2015-09-17

Method for restoring activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process

#38
20150202614
2015-07-23

Method for reactivating used hydrogenation treatment titania catalyst, and regenerated hydrogenation treatment titania catalyst

#39
20140243538
2014-08-28

Pretreated epoxidation catalyst and a process for producing an olefin therewith

#40
20140076780
2014-03-20

Catalyst for use in hydrotreatment, comprising metals from groups VIII and VIB, and preparation with citric acid and C1-C4 dialkyl succinate

#41
20130309152
2013-11-21

Regenerating a titanium silicalite catalyst

#42
20130165316
2013-06-27

Process for the preparation of a catalyst which can be used in hydrotreatment and hydroconversion

#43
20130146088
2013-06-13

Method for washing reactor

#44
20130012731
2013-01-10

Pretreated epoxidation catalyst and a process for producing an olefin therewith

#45
20120205287
2012-08-16

Method for restoring activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hyrdoprocessing process

#46
20120040822
2012-02-16

Non-destructive process for the elimination of silicon from alumina based materials

#47
20110211996
2011-09-01

Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst

#48
20110094939
2011-04-28

PROCESS FOR ACTIVATING A HYDROTREATING CATALYST

#49
20100323879
2010-12-23

METHOD FOR REGENERATING PALLADIUM-CONTAINING METAL SUPPORTED CATALYST, PALLADIUM-CONTAINING METAL SUPPORTED CATALYST AND METHOD FOR PRODUCING THE SAME

#50
20100290981
2010-11-18

MONOLITHIC CATALYST AND USES THEREOF

#51
20100210448
2010-08-19

CATALYST RECOVERY PROCESS

#52
20100160662
2010-06-24

Method for separating out and recovering dialkyltin dialkoxide

#53
20100105541
2010-04-29

Process for the regeneration of catalysts for the treatment of hydrocarbons

#54
20100105540
2010-04-29

Process for the regeneration of catalysts for the treatment of hydrocarbons

#55
20090305880
2009-12-10

CATALYSTS FOR PRODUCING ORGANIC CARBONATES

#56
20090018291
2009-01-15

Method of regeneration of titanium-containing molecular sieve catalyst

#57
20080194892
2008-08-14

Hydroprocessing catalyst, preparation method thereof and use of same

#58
20080132404
2008-06-05

Process for producing organic carbonates

#59
20080087577
2008-04-17

Hydroprocessing catalyst, method for the preparation thereof and use of the same

#60
20080038159
2008-02-14

Method and apparatus for regenerating an iron-based fischer-tropsch catalyst

#61
20070275845
2007-11-29

Process for activating a hydrotreating catalyst

#62
20070093672
2007-04-26

Process for producing organic carbonates

#63
20060281953
2006-12-14

Recovery of an active catalyst component from a process stream

#64
20050277542
2005-12-15

Catalyst regeneration process

#65
20050196332
2005-09-08

Method and apparatus for regenerating an iron-based fischer-tropsch catalyst

#66
19245521
2025-11-04

Recyclable catalyst for carbon dioxide capture

#67
18973915
2025-08-26

Pretreatment process of resin catalyst for synthesizing bisphenol A