ClassID:

30296

B01D2251/902 - CPC Classification

Classification description:

Reactants; Chelants EDTA

Recent Application in this class:
#1
20250262595
2025-08-21

SURFACE CARBON MINERALIZATION PROCESS USING PETROLEUM REFINERY SOLID WASTE MATERIAL

#2
20230364556
2023-11-16

SYSTEM FOR THE CHEMICAL DECONTAMINATION OF CORROSIVE GASES

#3
20230233992
2023-07-27

APPARATUS AND METHOD FOR EXHAUST GAS POLLUTION REDUCTION

#4
20230043563
2023-02-09

System for the chemical decontamination of corrosive gases

#5
20220323903
2022-10-13

Methods for treating odors

#6
20190160425
2019-05-30

METHODS FOR TREATING ODORS

#7
20180345216
2018-12-06

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

#8
20180230606
2018-08-16

Electrolysis apparatus for collecting nitrogen compound using ferric-ethylenediamine tetraacetic acid

#9
20170333840
2017-11-23

Methods and systems for capturing and storing carbon dioxide

#10
20170173528
2017-06-22

Processing of off-gas from waste treatment

#11
20160312139
2016-10-27

Process and apparatus for hydrogen sulfide removal

#12
20160310888
2016-10-27

Method for removing SOfrom gas using polyol composite solution

#13
20150359917
2015-12-17

Methods for treating odors

#14
20130243954
2013-09-19

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

#15
20120128560
2012-05-24

Process and system for syngas treatment

#16
20120107205
2012-05-03

High pressure reduction-oxidation desulfurization process

#17
20110311423
2011-12-22

PROCESSING OF OFF-GAS FROM WASTE TREATMENT

#18
20110189049
2011-08-04

METHOD FOR TREATING ODORS

#19
20100047142
2010-02-25

FILTER MEDIA INCLUDING FILTERING AGENT EFFECTIVE FOR REMOVAL OF CYANO-CONTAINING CONTAMINANTS HAVING IMPROVED COMPATIBILITY WITH AMINE SENSITIVE IMPREGNANTS AND AMINE SENSITIVE SUBSTRATES

#20
20090205496
2009-08-20

Method for inhibiting amine degradation during COcapture from a gas stream

#21
20080044333
2008-02-21

Method and apparatus for NOx and Hg removal

#22
20060128560
2006-06-15

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

#23
20060021506
2006-02-02

Method and apparatus for NO and Hg removal