ClassID:

30336

B01D2252/502 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Combinations of absorbents having two or more functionalities in the same molecule other than alkanolamine

Recent Application in this class:
#1
20240228898
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#2
20240228897
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#3
20230357659
2023-11-09

Compositions and methods for scavenging hydrogen sulfide

#4
20230182069
2023-06-15

HYDROGEN SULFIDE SCAVENGING COMPOSITIONS WITH SUPRAMOLECULAR STRUCTURES AND METHODS OF USE

#5
20230137305
2023-05-04

Porous Liquid, Self-Replenishing Porous Liquid And Methods Of Making And Using The Same

#6
20200207703
2020-07-02

Hydrogen sulfide scavengers

#7
20200147545
2020-05-14

Porous liquid and methods of making and using the same

#8
20190134557
2019-05-09

Removal of hydrogen sulphide and carbon dioxide from a stream of fluid

#9
20190119197
2019-04-25

Hydrogen sulfide scavengers

#10
20180104643
2018-04-19

Composition and apparatus for purifying nitrogen-oxide-containing gases

#11
20180043308
2018-02-15

Power generation from low-temperature heat by hydro-osmotic processes

#12
20180030041
2018-02-01

Condensation product of 1-amino-2-propanol and formaldehyde and the use thereof for reducing the amount of hydrogen sulphide in liquids and gases

#13
20180021723
2018-01-25

Gas treating solutions containing imidazole-amine compounds

#14
20170282116
2017-10-05

Removal of carbon dioxide from a fluid flow

#15
20170282115
2017-10-05

Removal of hydrogen sulphide and carbon dioxide from a stream of fluid

#16
20170100694
2017-04-13

Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent

#17
20170088505
2017-03-30

Hydrogen sulfide scavengers

#18
20160220947
2016-08-04

COMPOSITE AMINE ABSORBENT, AND APPARATUS AND METHOD FOR REMOVING CO2 AND/OR H2S

#19
20160016112
2016-01-21

Aqueous solutions of amine functionalized ionic compounds for carbon capture processes

#20
20150336045
2015-11-26

Carbon dioxide absorbent based on amine having nitrile functional group, and carbon dioxide absorption method and separation method using same

#21
20150151246
2015-06-04

Acid gas absorbent, acid gas removal device, and acid gas removal method

#22
20150125373
2015-05-07

Method for absorbing COfrom a gas mixture

#23
20150114226
2015-04-30

High performance hydrophobic solvent, carbon dioxide capture

#24
20140311342
2014-10-23

Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers

#25
20140294704
2014-10-02

Solvent and method for removal of an acid gas from a fluid stream

#26
20130327983
2013-12-12

Acid gas scrubbing composition

#27
20130126429
2013-05-23

AMINE SULFIDE SCAVENGERS, METHODS OF USING, AND METHODS OF MAKING

#28
20120282160
2012-11-08

CARBON DIOXIDE AND HYDROGEN SULFIDE ABSORBENTS AND PROCESS FOR THEIR USE

#29
20120269707
2012-10-25

Use of 2-(3-aminopropoxy)ethan-1-ol as an absorbent to remove acidic gases

#30
20120171094
2012-07-05

Aqueous solutions of amine functionalized ionic compounds for carbon capture processes

#31
20120152119
2012-06-21

System and process for capture of HS from gaseous process streams and process for regeneration of the capture agent

#32
20120145001
2012-06-14

Process for reducing contaminants in an industrial fluid stream

#33
20120042778
2012-02-23

Sulfur dioxide absorbent comprising ionic liquid

#34
20110296992
2011-12-08

Sulfur compounds for carbon dioxide and sulfur dioxide removal

#35
20110079151
2011-04-07

COrecovery system and COabsorption liquid

#36
20110008229
2011-01-13

Sulfur recovery plant tail gas treatment process

#37
20100326276
2010-12-30

Acid gas scrubbing composition

#38
20100105551
2010-04-29

Absorbents for separating acidic gases

#39
15271175
2017-10-10

Solvents and methods for gas separation from gas streams