ClassID:

30321

B01D2252/20452 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Amines; Cyclic amines containing a morpholine-ring

Recent Application in this class:
#1
20260001056
2026-01-01

CARBON DIOXIDE ABSORBENT CONTAINING IONIC MATERIAL CONTAINING SPIRO AMMONIUM CATION AND HYDROXIDE ANION, AND CARBON DIOXIDE SEPARATION METHOD USING THE SAME

#2
20250339809
2025-11-06

Acid Gas Scrubbing Methods Featuring Amine Phase Separation for Hydrogen Sulfide Capture

#3
20250026700
2025-01-23

Combined Capture and Conversion of CO2 to Methanol in a Post Combustion Capture Solvent

#4
20240100473
2024-03-28

CARBON DIOXIDE ABSORBER

#5
20230356145
2023-11-09

Diamine solvent system for COcapture

#6
20230226483
2023-07-20

Acid Gas Scrubbing Methods Featuring Amine Phase Separation for Hydrogen Sulfide Capture

#7
20220143548
2022-05-12

Diamine solvent system for COcapture

#8
20200306688
2020-10-01

Diamine solvent system for COcapture

#9
20190143262
2019-05-16

Use of morpholine-based hindered amine compounds for selective removal of hydrogen sulfide

#10
20190001256
2019-01-03

Processes for gas separation by solvent or absorbent

#11
20180222847
2018-08-09

Diamine having tert-alkylamino group and primary amino group for use in gas scrubbing

#12
20180017319
2018-01-18

Heavy hydrocarbon removal from lean gas to LNG liquefaction

#13
20170232380
2017-08-17

Method of development and use of catalyst-functionalized catalytic particles to increase the mass transfer rate of solvents used in acid gas cleanup

#14
20170080378
2017-03-23

THERMALLY STABLE AMINES FOR CO2 CAPTURE

#15
20170001142
2017-01-05

System for the capture and release of acid gases

#16
20160361683
2016-12-15

Method of increasing mass transfer rate of acid gas scrubbing solvents

#17
20160244467
2016-08-25

Amino-siloxane composition and methods of using the same

#18
20160193560
2016-07-07

Optimization of stripper feed configuration for rich/lean solvent regeneration

#19
20160101385
2016-04-14

Carbon dioxide absorbent and method for absorbing and desorbing carbon dioxide

#20
20150125373
2015-05-07

Method for absorbing COfrom a gas mixture

#21
20150104366
2015-04-16

Amino-siloxane composition and methods of using the same

#22
20140294705
2014-10-02

Method of increasing mass transfer rate of acid gas scrubbing solvents

#23
20140200373
2014-07-17

Formate based heat stable salt mitigation in physical solvent acid gas absorption processes

#24
20140154161
2014-06-05

Method and apparatus for hydrogen sulphide removal

#25
20140096684
2014-04-10

Carbon dioxide separating and capturing apparatus

#26
20130023712
2013-01-24

METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I/II/III TRIAMINES

#27
20130011314
2013-01-10

METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I, II/III DIAMINES

#28
20120128561
2012-05-24

Acid gas absorbent composition