ClassID:

33421

B01J38/62 - CPC Classification

Classification description:

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

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
20260014554
2026-01-15

METHOD FOR REJUVENATING A CATALYST FROM A HYDROPROCESSING AND/OR HYDROCRACKING PROCESS

#3
20240342698
2024-10-17

METHOD OF REMANUFACTURING SPENT CATALYST FOR HEAVY OIL DESULFURIZATION

#4
20240075468
2024-03-07

METHOD OF RECOVERING AND REGENERATING A METAL CATALYST IN ADIPIC ACID PRODUCTION PROCESS

#5
20240042423
2024-02-08

METHOD FOR REJUVENATING A CATALYST FROM A HYDROPROCESSING AND/OR HYDROCRACKING PROCESS

#6
20230249171
2023-08-10

Hydrophilic phosphorus ligand and method for separation and recovery of catalyst

#7
20230211333
2023-07-06

Regenerating the catalytic activity of a spent catalyst

#8
20220401944
2022-12-22

Method for unblocking pores in a selective catalytic reduction catalyst

#9
20220339617
2022-10-27

Method of maintaining the activity of pre-reform catalysts

#10
20220152603
2022-05-19

Denitration catalyst regeneration method and denitration catalyst regeneration system

#11
20220062874
2022-03-03

Method for rejuvenating a catalyst of a hydroprocessing and/or hydrocracking process

#12
20220062873
2022-03-03

Method for rejuvenating a nonregenerated spent catalyst from a process for the hydrodesulfurization of gasolines

#13
20210370283
2021-12-02

Method to recover spent hydroprocessing catalyst activity

#14
20210077989
2021-03-18

Honeycomb bodies with improved skin CTE and isostatic strength and methods of making the same

#15
20190270080
2019-09-05

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

#16
20190151834
2019-05-23

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

#17
20180363528
2018-12-20

Recovering deactivated metal/zeolite catalysts

#18
20180133692
2018-05-17

Method for regenerating catalysts used for production of polysulphide cooking liquors

#19
20180104680
2018-04-19

Process for recovery and regeneration of deactivated catalysts used in dialkyl carbonate synthesis

#20
20170036196
2017-02-09

Process for rejuvenating hydrotreating catalysts

#21
20160279626
2016-09-29

Method for regenerating semi-regenerated reforming catalyst

#22
20160256864
2016-09-08

Regeneration of clay catalysts for alkylation of aromatic rings

#23
20160144353
2016-05-26

Process for the regeneration of a supported noble metal catalyst

#24
20160045910
2016-02-18

PROCESS FOR REJUVENATION OF A USED HYDROTREATING CATALYST

#25
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

#26
20150202615
2015-07-23

Process of reactivating a metal contaminated biomass conversion catalyst

#27
20150023856
2015-01-22

Method of regenerating NOremoval catalyst and method of operating heavy-oil fired combustion apparatus

#28
20140303414
2014-10-09

Regeneration of catalytic fast pyrolysis catalyst

#29
20140274661
2014-09-18

Methods of removing calcium material from a substrate or catalytic converter

#30
20140076781
2014-03-20

Regeneration or remanufacturing catalyst for hydrogenation processing heavy oil, and method for manufacturing same

#31
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

#32
20130165316
2013-06-27

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

#33
20130158286
2013-06-20

Process to produce alkenoic acid esters from lactones

#34
20130047903
2013-02-28

Method of regenerating NOremoval catalyst and method of operating heavy-oil fired combustion apparatus

#35
20120270723
2012-10-25

Method for cleaning used denitration catalyst

#36
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

#37
20120053046
2012-03-01

Method for treating SCR catalysts having accumulated iron compounds

#38
20110160040
2011-06-30

Method for removing calcium material from substrates

#39
20110094939
2011-04-28

PROCESS FOR ACTIVATING A HYDROTREATING CATALYST

#40
20100105540
2010-04-29

Process for the regeneration of catalysts for the treatment of hydrocarbons

#41
20090291823
2009-11-26

Method for regeneration of iron-loaded denox catalysts

#42
20090233786
2009-09-17

Method of regeneration of SCR catalyst

#43
20090005235
2009-01-01

Method of recycling spent flue gas denitration catalyst

#44
20080220966
2008-09-11

Denitrification catalyst regeneration method

#45
20080210599
2008-09-04

Process For Upgrading An Fcc Equilibrium Catalyst

#46
20070275845
2007-11-29

Process for activating a hydrotreating catalyst

#47
20070161809
2007-07-12

Method for the production of fuel from acid fats and system for carrying out said method

#48
20060148639
2006-07-06

Method for regenerating iron-loaded denox catalysts

#49
20060116275
2006-06-01

Process for removing and regenerating a double metal cyanide (dmc) catalyst from a polymer polyol

#50
20050192176
2005-09-01

Denitrification catalyst regeneration method

#51
17486919
2022-05-03

Method and system for renewing spent fluid catalytic cracking (SFCC) catalysts using acid leaching and acid reflux activities