ClassID:

30295

B01D2251/90 - CPC Classification

Classification description:

Reactants Chelants

Sub-classes:
  • B01D2251/902 » EDTA 22
  • B01D2251/904 » NTA 3
Recent Application in this class:
#1
20260151734
2026-06-04

HYDROGEN SULFIDE REMOVAL PROCESS

#2
20250041795
2025-02-06

Gas Treatment Unit, Redox System and Method for Desulfurization of Gases Including Biogas

#3
20240400925
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#4
20240400924
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#5
20240399305
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#6
20240399301
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#7
20240342648
2024-10-17

Gas Treatment Unit, Redox System and Method for Desulfurization of Gases Including Biogas

#8
20240067887
2024-02-29

CHEMICAL COMPOSITIONS AND METHODS OF USING SAME FOR REMEDIATING SULFUR-CONTAINING COMPOSITIONS AND OTHER CONTAMINANTS IN FLUIDS

#9
20230381716
2023-11-30

Gas purification apparatus and method

#10
20230330607
2023-10-19

Co-current and Counter Contactor for Immiscible Fluids

#11
20220411701
2022-12-29

CHEMICAL COMPOSITIONS AND METHODS OF USING SAME FOR REMEDIATING SULFUR-CONTAINING COMPOSITIONS AND OTHER CONTAMINANTS IN FLUIDS

#12
20210254010
2021-08-19

Isolation of Mesenchymal Stromal Cells

#13
20210220770
2021-07-22

Phototrophic purification of hydrogen sulfide containing streams

#14
20190184383
2019-06-20

CATALYST INTENDED FOR DESULFURIZATION/DEMERCAPTANIZATION/DEHYDRATION OF GASEOUS HYDROCARBONS

#15
20190143302
2019-05-16

Gels for removing air pollutants

#16
20190142988
2019-05-16

Apparatus for efficient removal of air pollutants

#17
20190119411
2019-04-25

Process for recovery of residual hydrogenation catalyst from hydrogenated nitrile rubber solution

#18
20180371506
2018-12-27

Method and apparatus for CO2 sequestration

#19
20180345216
2018-12-06

Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution

#20
20180200699
2018-07-19

Device, process, and catalyst intended for desulfurization/demercaptanization/dehydration of gaseous hydrocarbons

#21
20170333840
2017-11-23

Methods and systems for capturing and storing carbon dioxide

#22
20160312139
2016-10-27

Process and apparatus for hydrogen sulfide removal

#23
20160177344
2016-06-23

Method and apparatus for COsequestration

#24
20150044757
2015-02-12

Methods and Systems for Capturing and Storing Carbon Dioxide

#25
20140367612
2014-12-18

Organic amine decarbonization solutions

#26
20130243954
2013-09-19

Nanotube solutions with high concentration and low contamination and methods for purifiying nanotube solutions

#27
20120107205
2012-05-03

High pressure reduction-oxidation desulfurization process

#28
20110265270
2011-11-03

Odorless foam mattress assembly

#29
20110243819
2011-10-06

Metal scavenging polymers and uses thereof

#30
20100307979
2010-12-09

CHELATE RESIN

#31
20100252506
2010-10-07

Method for producing chelate resins

#32
20100176031
2010-07-15

Porous solids, selective separations, removal of sulfur compounds, adsorption

#33
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

#34
20080112858
2008-05-15

Reactive membrane process for the removal of vapor phase contaminants

#35
20080044333
2008-02-21

Method and apparatus for NOx and Hg removal

#36
20080039344
2008-02-14

Composition and method for chelated scavenging compounds

#37
20070267343
2007-11-22

Heavy metal particulate emission speciation modification wet process

#38
20070170393
2007-07-26

Solution of metal-polymer chelate(s) and applications thereof

#39
20060286017
2006-12-21

Waste gas treatment process including removal of mercury

#40
20060128560
2006-06-15

Catalytic composition for oxidation of hydrogen sulfide, and methods for preparation thereof

#41
20060029533
2006-02-09

Reactive membrane process for the removal of vapor phase contaminants

#42
20060021506
2006-02-02

Method and apparatus for NO and Hg removal

#43
20050061149
2005-03-24

Method for removing a nitrogen oxide from a gas

#44
15586413
2018-07-31

Systems, devices, compositions, and/or methods for de-sulphurizing acid gases