ClassID:

30310

B01D2252/2028 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Alcohols or their derivatives; Glycols, diols or their derivatives Polypropylene glycol, ethers or esters thereof

Recent Application in this class:
#1
20260115649
2026-04-30

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

#2
20250303354
2025-10-02

ACIDIC GAS REMOVAL AGENT, ACIDIC GAS REMOVAL METHOD, ACIDIC GAS ABSORPTION DEVICE, AND CLEANING DEVICE

#3
20250262588
2025-08-21

PROCESS AND APPARATUS FOR TREATING METHANE-CONTAINING GAS

#4
20230233992
2023-07-27

APPARATUS AND METHOD FOR EXHAUST GAS POLLUTION REDUCTION

#5
20210229068
2021-07-29

Type 3 porous liquids

#6
20200330919
2020-10-22

Porous liquids

#7
20200324242
2020-10-15

Smoke capturing system and method

#8
20180369710
2018-12-27

Thin-film treatment of high-value glycol and amine solvents to remove contaminants

#9
20180280868
2018-10-04

Composition and process for gas dehydration

#10
20180078893
2018-03-22

Absorbing solution for separating and capturing carbon dioxide, and method for separating and capturing carbon dioxide in which same is used

#11
20180043302
2018-02-15

Desulfurization and denitration agent

#12
20180043300
2018-02-15

Moisture removal from wet gases

#13
20170107163
2017-04-20

Landfill Gas Treatment Method With Polishing and Post-Treatment Enrichment

#14
20170050140
2017-02-23

Water control in non-aqueous acid gas recovery systems

#15
20160375400
2016-12-29

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

#16
20160288046
2016-10-06

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

#17
20160122190
2016-05-05

Process for recovering carbon monoxide from catalytic fast pyrolysis product

#18
20160001197
2016-01-07

Thin-film treatment of high-value glycol and amine solvents to remove contaminants

#19
20150251129
2015-09-10

Method and device for stripping a gas from a gas mixture using a venturi ejector

#20
20150118131
2015-04-30

Systems and methods for utilizing turbine systems within gas processing systems

#21
20130240409
2013-09-19

Additive composition and method for scavenging hydrogen sulfide in hydrocarbon streams

#22
20120211348
2012-08-23

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

#23
20120171095
2012-07-05

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

#24
20100154639
2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME

#25
20100154431
2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME