B01D2252/202 - CPC Classification Index

#1

20260115646

2026-04-30

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

#2

20250026700

2025-01-23

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

#3

20250001390

2025-01-02

Carbon dioxide absorbent including phenolate-based ionic liquid and aliphatic alcohol and method of separating carbon dioxide using the same

#4

20240253985

2024-08-01

PROCESS FOR PRODUCING HYDROGEN FROM NATURAL GAS

#5

20230302400

2023-09-28

PROCESS FOR CAPTURING CO2 AND PROCESS FOR CONTINUOUSLY REGENERATING SOLVENT

#6

20230053826

2023-02-23

PROCESS AND PLANT FOR GAS MIXTURES CONTAINING ACID GAS TREATMENT

#7

20230038873

2023-02-09

Process and apparatus for alkyl halide fumigant recovery and conversion

#8

20220401877

2022-12-22

Reducing acid gases from streams

#9

20220056361

2022-02-24

Removal of sour gases from gas mixtures containing them

#10

20220047978

2022-02-17

ANTI-MICROBIAL, ANTI-ALLERGENIC BIO-FUNCTIONAL AIR FILTER MEDIUM FOR RESIDENTIAL AIR FILTRATION AND AIR FILTER ELEMENT

#11

20210101091

2021-04-08

Removal of hydrophobic particles using carbon dioxide

#12

20210002135

2021-01-07

Process and apparatus for producing an aqueous solution containing chlorine dioxide

#13

20200282357

2020-09-10

Process and apparatus for alkyl halide fumigant recovery and conversion

#14

20200157439

2020-05-21

Synergized acetals composition and method for scavenging sulfides and mercaptans

#15

20190321773

2019-10-24

Methods and systems for improving the energy efficiency of carbon dioxide capture

#16

20190308133

2019-10-10

IN-LINE PIPE CONTACTOR

#17

20190232247

2019-08-01

Composite 3D-printed reactors for gas absorption, purification, and reaction

#18

20190211278

2019-07-11

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#19

20190201823

2019-07-04

Composite material for air purification, preparation method therefor and application thereof

#20

20190194523

2019-06-27

Synergized hemiacetals composition and method for scavenging sulfides and mercaptans

#21

20190193020

2019-06-27

Reducing acid gases from streams

#22

20190111380

2019-04-18

Process for selective removal of acid gases from fluid streams using a hybrid solvent mixture

#23

20190083921

2019-03-21

Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide

#24

20190001259

2019-01-03

Absorption agent, method of manufacturing same, and method for separation and recovery of acidic compound

#25

20180353896

2018-12-13

Methods and systems for improving the energy efficiency of carbon dioxide capture

#26

20180311610

2018-11-01

Gas treatment method and gas treatment device

#27

20180272268

2018-09-27

Composite 3D-printed reactors for gas absorption, purification, and reaction

#28

20180193798

2018-07-12

Gas treatment system and gas treatment method

#29

20180044598

2018-02-15

Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines

#30

20170361265

2017-12-21

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

#31

20170267539

2017-09-21

Integrated process for carbon capture and energy production

#32

20170252695

2017-09-07

Regenerable solvent mixtures for acid-gas separation

#33

20170216763

2017-08-03

COmass transfer enhancement of aqueous amine solvents by particle additives

#34

20170197180

2017-07-13

Process and device for desulphurization and denitration of flue gas

#35

20170173522

2017-06-22

Carbon dioxide separation and capture apparatus and method of controlling operation of carbon dioxide separation and capture apparatus

#36

20170122659

2017-05-04

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#37

20170100695

2017-04-13

System and Method for Scrubbing Contaminated Gas with a Glycerol Solution

#38

20170050140

2017-02-23

Water control in non-aqueous acid gas recovery systems

#39

20170001142

2017-01-05

System for the capture and release of acid gases

#40

20160375400

2016-12-29

Liquid carbon dioxide absorbents, methods of using the same, and related systems

#41

20160332108

2016-11-17

Process, method, and system for removing mercury from fluids

#42

20160325225

2016-11-10

Methods and apparatuses for recovering CO

#43

20160312141

2016-10-27

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#44

20160310888

2016-10-27

Method for removing SOfrom gas using polyol composite solution

#45

20160288046

2016-10-06

Hybrid solvent formulations for total organic sulfur removal and total acidic gas removal

#46

20160184767

2016-06-30

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

#47

20160166981

2016-06-16

Method of enhancing removal of gaseous contaminants from a feedstream in a treatment chamber having liquid medium

#48

20150352484

2015-12-10

Amine solvent blends

#49

20150290581

2015-10-15

CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING ANTISOLVENT, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME

#50

20150255817

2015-09-10

Gas separator and battery system having the same

#51

20150037238

2015-02-05

CARBON DIOXIDE RECOVERY SYSTEM AND METHOD OF EXHAUST GAS

#52

20150001132

2015-01-01

Epoxide-based hydrogen sulfide scavengers

#53

20140369916

2014-12-18

Process for controlling the emission of flue gases

#54

20140166289

2014-06-19

Scavenging hydrogen sulfide

#55

20130230440

2013-09-05

Removing acid gases from water vapour-containing fluid streams

#56

20130164200

2013-06-27

Regenerable solvent mixtures for acid-gas separation

#57

20130164199

2013-06-27

Regenerable solvent mixtures for acid-gas separation

#58

20130055729

2013-03-07

Configurations and methods for high pressure acid gas removal in the production of ultra-low sulfur gas

#59

20130004406

2013-01-03

Carbon dioxide recovery system and method of exhaust gas

#60

20120280176

2012-11-08

Method and Composition for Removal of Mercaptans from Gas Streams

#61

20120269707

2012-10-25

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

#62

20120227440

2012-09-13

System And Process For The Physical Absorption of Carbon Dioxide From a Flue Gas Stream

#63

20120214215

2012-08-23

Packed bed scrubber using a fusel oil solvent

#64

20120211348

2012-08-23

Process to remove product alcohol from a fermentation by vaporization under vacuum

#65

20120186296

2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#66

20120171095

2012-07-05

Liquid carbon dioxide absorbents, methods of using the same, and related systems

#67

20110229393

2011-09-22

Methods for deacidizing gaseous mixtures by phase enhanced absorption

#68

20110052458

2011-03-03

Self-Concentrating Absorbent for Acid Gas Separation

#69

20100154639

2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME

#70

20090263302

2009-10-22

Self-concentrating absorbent for acid gas separation

#71

20090101086

2009-04-23

Water purification method, process and apparatus