Patents-Review.com
ClassID:

30293 ⎘

B01D2251/70 - CPC Classification

Classification description:

Reactants Organic acids

Recent Application in this class:
#1
20260027520
2026-01-29

ETHYLENE OXIDE ABATEMENT SYSTEMS

 #2
20250360447
2025-11-27

FIBERBED MIST COLLECTOR WITH IMPROVED FILTERING

 #3
20250269354
2025-08-28

Ethylene oxide scrubbing sheet

 #4
20250002801
2025-01-02

Treatment System

 #5
20240417640
2024-12-19

Treatment System

 #6
20240141245
2024-05-02

Treatment system

 #7
20240139679
2024-05-02

Treatment System

 #8
20230364556
2023-11-16

SYSTEM FOR THE CHEMICAL DECONTAMINATION OF CORROSIVE GASES

 #9
20230043563
2023-02-09

System for the chemical decontamination of corrosive gases

 #10
20220323903
2022-10-13

Methods for treating odors

 #11
20220297053
2022-09-22

C1—C8 carboxylic acid salt solution for the absorption of CO

 #12
20220280885
2022-09-08

System and method for liquid hydrocarbon desulfurization

 #13
20210291104
2021-09-23

Air filter for removing aldehyde-like VOCs from indoor air

 #14
20210254010
2021-08-19

Isolation of Mesenchymal Stromal Cells

 #15
20210171838
2021-06-10

System for liquid hydrocarbon desulfurization

 #16
20210121820
2021-04-29

Processes for Removing a Nitrogen-Based Compound from a Gas or Liquid Stream to Produce a Nitrogen-Based Product

 #17
20200206677
2020-07-02

C1-C8 carboxylic acid salt solution for the absorption of CO

 #18
20190388823
2019-12-26

Submicron particle removal from gas streams

 #19
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

 #20
20190233740
2019-08-01

Method for liquid hydrocarbon desulfurization

 #21
20190224610
2019-07-25

Submicron particle removal from gas streams

 #22
20190160425
2019-05-30

METHODS FOR TREATING ODORS

 #23
20190142988
2019-05-16

Apparatus for efficient removal of air pollutants

 #24
20190127493
2019-05-02

METHOD FOR EXTRACTING TREMELLA POLYSACCHARIDE WITH BUFFER SOLUTION

 #25
20190039019
2019-02-07

Complexation and removal of mercury from flue gas desulfurization systems

 #26
20180369751
2018-12-27

Carbonized material, device for removing ozone, and method for removing ozone

 #27
20180311599
2018-11-01

Stabilized protein fiber air filter materials and methods

 #28
20180243689
2018-08-30

Gas filters for basic contaminants

 #29
20180043296
2018-02-15

Processes for removing a nitrogen-based compound from a gas or liquid stream to produce a nitrogen-based product

 #30
20170369345
2017-12-28

Process and plant for separating off and/or recovering nitrogen compounds from a liquid or sludge substrate

 #31
20170348631
2017-12-07

Amino acids react with carbon dioxide (CO2) and form nanofibers and nanoflowers

 #32
20170320816
2017-11-09

Submicron particle removal from gas streams

 #33
20170312685
2017-11-02

Processes for filtering chemicals from air streams

 #34
20170274309
2017-09-28

Mechanical system to capture and transform contaminant gases, and method to purify air

 #35
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

 #36
20170050146
2017-02-23

Complexation and removal of mercury from flue gas desulfurization systems

 #37
20170021304
2017-01-26

Method for removing SOfrom gas using ethylene glycol composite solution

 #38
20160340525
2016-11-24

Coating compositions for removing free formaldehyde from the environment

 #39
20160339386
2016-11-24

Reactive composition based on sodium bicarbonate and process for its production

 #40
20160310888
2016-10-27

Method for removing SOfrom gas using polyol composite solution

 #41
20160263523
2016-09-15

EXHAUST GAS REFORMATION USING HUMIC SUBSTANCES

 #42
20150359917
2015-12-17

Methods for treating odors

 #43
20150132210
2015-05-14

Gaseous ammonia removal method

 #44
20150086458
2015-03-26

Formaldehyde absorbent and method for using the same

 #45
20150083964
2015-03-26

METHOD AND DEVICE FOR EXTRACTING HIGHLY VOLATILE DEGRADATION PRODUCTS FROM THE ABSORBENT LOOP OF A CO2 SEPARATION PROCESS

 #46
20140205520
2014-07-24

Leaching of minerals and sequestration of CO

 #47
20140127108
2014-05-08

Method and cleaning system for cleaning the process gas in soldering installations

 #48
20130034464
2013-02-07

Active decontamination microcapsule filtration media

 #49
20120189528
2012-07-26

Process and apparatus for recovering ammonia from a gas stream

 #50
20120152853
2012-06-21

SYSTEM AND METHOD FOR REDUCING EMISSIONS IN A HOG CONFINEMENT FACILITY

 #51
20120148467
2012-06-14

Method for wet flue gas desulfurization

 #52
20120128564
2012-05-24

Carbon monoxide reducing system (CMRS)

 #53
20120014861
2012-01-19

CO2 recovery unit and method therefor

 #54
20120006746
2012-01-12

System and method for reducing emissions in a hog confinement facility

 #55
20110229403
2011-09-22

Gaseous ammonia removal system

 #56
20110203583
2011-08-25

Methods for facilitating use of dimethyl sulfoxide (DMSO) by removal of same, related compounds, or associated odors

 #57
20110189049
2011-08-04

METHOD FOR TREATING ODORS

 #58
20110097701
2011-04-28

HCN removal from syngas using chemical and biological treatment

 #59
20110072969
2011-03-31

MAINTAINING LOW CARBON MONOXIDE LEVELS IN PRODUCT CARBON DIOXIDE

 #60
20110052463
2011-03-03

Nanostructured sorbent materials for capturing environmental mercury vapor

 #61
20110052462
2011-03-03

FILTERS FOR REMOVAL OF VOLATILE SILOXANES AND LIFETIME EXTENSION OF PHOTOCATALYTIC DEVICES

 #62
20110049045
2011-03-03

NANOSTRUCTURED SORBENT MATERIALS FOR CAPTURING ENVIRONMENTAL MERCURY VAPOR

 #63
20100288125
2010-11-18

Absorption medium for the selective removal of hydrogen sulfide from fluid streams

 #64
20100242725
2010-09-30

Oxygen scavenger and a method for scavenging oxygen

 #65
20100155650
2010-06-24

Amidine-carboxylic acid complex, briged polynuclear complex derived therefrom, production methods therefor, and use for preparing supported metal or metal oxide clusters

 #66
20100132553
2010-06-03

Maintaining low carbon monoxide levels in product carbon dioxide

 #67
20100132552
2010-06-03

ZONE OR PROCESS FOR IMPROVING AN EFFICIENCY THEREOF

 #68
20100037777
2010-02-18

Inlet air conditioning system for a turbomachine

 #69
20100000405
2010-01-07

METHOD OF TREATING COMBUSTION GASES

 #70
20090233786
2009-09-17

Method of regeneration of SCR catalyst

 #71
20090173909
2009-07-09

CAUSTIC PRODUCT WITH FREEZE PROTECTION

 #72
20070003457
2007-01-04

Complex shaped fiber for particle and molecular filtration

 #73
20050214188
2005-09-29

Complex shaped fiber for particle and molecular filtration

 #74
16105654
2019-10-15

Production and use of ultra-clean carbon compounds and uniform heat from carbon-based feedstocks