ClassID:

30485

B01D2257/206 - CPC Classification

Classification description:

Components to be removed; Halogens or halogen compounds Organic halogen compounds

Sub-classes:
Recent Application in this class:
#1
20250325956
2025-10-23

ALGAE-BASED BIOMASS MATERIAL FOR EFFLUENT GAS STREAM AND ASSOCIATED METHOD AND APPARATUS

#2
20250303350
2025-10-02

SYSTEMS AND METHODS FOR THERMAL DESPORPTION OF ANAESTHETIC AGENTS

#3
20250269315
2025-08-28

A PROCESS FOR THE PURIFICATION OF FLUORINATED OLEFINS IN GAS PHASE

#4
20250019325
2025-01-16

SYSTEM AND PROCESS FOR RECOVERING METHANE AND CARBON DIOXIDE FROM BIOGAS AND REDUCING GREENHOUSE GAS EMISSIONS

#5
20240416401
2024-12-19

REMOVAL OF PFAS FROM CONTAMINATED SOIL

#6
20240367102
2024-11-07

Fluorinated gas regeneration plant

#7
20240269602
2024-08-15

BIOGAS ACID REMOVAL SYSTEMS AND METHODS

#8
20240173664
2024-05-30

MOBILE FILTER DEVICE

#9
20240024815
2024-01-25

AIR CONTACTOR

#10
20220401891
2022-12-22

Method for removing a contaminant from water with a titanium polyamide nanocomposite

#11
20220401890
2022-12-22

Titania-polyamide nanocomposite formed by in situ polymerization

#12
20220233798
2022-07-28

MANUFACTURE AND REMANUFACTURE OF VOLATILE ANAESTHETIC AGENTS USING SUPERCRITICAL FLUIDS

#13
20220127211
2022-04-28

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#14
20220065471
2022-03-03

Air treatment method and a system arranged for treating air in a clean room

#15
20210221755
2021-07-22

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#16
20210094894
2021-04-01

System and process for recovering methane and carbon dioxide from biogas and reducing greenhouse gas emissions

#17
20210046431
2021-02-18

Simultaneous sorption of dyes and toxic metals from waters using titania-incorporated polyamide

#18
20200038800
2020-02-06

Process for purifying (hydro)fluoropropenes contaminated with halogenated ethane

#19
20200001269
2020-01-02

High capacity regenerable graphene-based sorbent

#20
20190275275
2019-09-12

To the manufacture and remanufacture of volatile anaesthetic agents using supercritical fluids

#21
20190201841
2019-07-04

Integrated Wet Scrubbing System

#22
20190126199
2019-05-02

Process for the purifying of a raw gas stream containing mainly C1-C5 hydrocarbons and carbon dioxide, and impurities of organic and inorganic sulfur compounds, halogenated and non-halogenated volatile organic compounds and oxygen

#23
20190099713
2019-04-04

Gas filter

#24
20190009206
2019-01-10

Purification process

#25
20190002375
2019-01-03

Manufacturing method of purified 1-chloro-2,3,3,3-Tetrafluoropropene and purified 1-chloro-2,3,3,3-tetrafluoropropene (Z)

#26
20180207581
2018-07-26

Apparatus for evacuating a corrosive effluent gas stream from a processing chamber

#27
20180163587
2018-06-14

Siloxane removal system and media regeneration methods

#28
20180110947
2018-04-26

Halocarbon recycling methods and systems

#29
20170368531
2017-12-28

ADSORBENT FOR HALOGENATED ANAESTHETICS

#30
20170341963
2017-11-30

Methods and systems for remediation of heavy metals in combustion waste

#31
20170320736
2017-11-09

Combined membrane-pressure swing adsorption method for recovery of helium

#32
20170100691
2017-04-13

Process for purifying (hydro) fluoropropenes contaminated with halogenated ethane

#33
20160251226
2016-09-01

Purification of carbon dioxide streams

#34
20160030917
2016-02-04

Adsorbent for halogenated anaesthetics

#35
20150336864
2015-11-26

Systems and methods for gas treatment

#36
20150031531
2015-01-29

Self-ignition resistant thermally-activated carbon

#37
20140370289
2014-12-18

Methods and active materials for reducing halide concentration in gas streams

#38
20140296607
2014-10-02

Purification process

#39
20130011303
2013-01-10

GAS-COLLECTION-TYPE GAS-LIQUID REACTION DEVICE, AND WATER TREATMENT APPARATUS AND GAS PURIFICATION APPARATUS USING SAME

#40
20120302431
2012-11-29

COMPOSITE CATALYST AND METHOD FOR PREPARATION THEREOF

#41
20120186448
2012-07-26

Self-ignition resistant thermally-activated carbon

#42
20120134903
2012-05-31

Solid Inorganic Composition, Method for Preparing Same, and Use Thereof for Reducing Dioxins and Heavy Metals in Flue Gas

#43
20120055875
2012-03-08

METHOD TO TREAT PRODUCED WATERS FROM THERMALLY INDUCED HEAVY CRUDE OIL PRODUCTION (TAR SANDS)

#44
20100331584
2010-12-30

Method for recovery of halogenated hydrocarbons

#45
20100258510
2010-10-14

METHODS AND APPARATUS FOR TREATING EFFLUENT

#46
20100170296
2010-07-08

SEPARATION OF VOLATILE COMPONENTS FROM A GAS FLOW

#47
20100101412
2010-04-29

METHOD AND SYSTEM FOR REMOVING ALKYL HALIDES FROM GASES

#48
20100071548
2010-03-25

Method of treating gas

#49
20090183684
2009-07-23

Plasma treatment device

#50
20090123769
2009-05-14

VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST, METHOD FOR MANUFACTURING THE VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST, AND USE OF THE VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST

#51
20090101010
2009-04-23

Filter cartridge for recuperating halogenated hydrocarbons

#52
20090062593
2009-03-05

Method for reducing the emission of green house gases into the atmosphere

#53
20080289504
2008-11-27

Regenerable purification system for removal of siloxanes and volatile organic carbons

#54
20080219908
2008-09-11

Method for cleaning exhaust gases produced by a sintering process for ores and/or other metal-containing materials in metal production

#55
20080035469
2008-02-14

PROCESS AND APPARATUS FOR CHEMICAL CONVERSION

#56
20080023016
2008-01-31

Nanolayer catalysts useful in promoting oxidation, and their manufacture and use

#57
20070272299
2007-11-29

Methods and apparatus for downstream dissociation of gases

#58
20070178578
2007-08-02

Biofiltration system for treating airborne volatile organic compounds

#59
20070098612
2007-05-03

Set of processes for removing impurities from a silcon production facility

#60
20070086931
2007-04-19

Methods and apparatus for process abatement

#61
20070014706
2007-01-18

Process and device for cleaning combustion flue gases

#62
20060144224
2006-07-06

Regenerable purification system for removal of siloxanes and volatile organic carbons

#63
20060118404
2006-06-08

Process and apparatus for chemical conversion

#64
20060037899
2006-02-23

Ozone on-line injection, reuse, and destruction system

#65
20050229783
2005-10-20

Method for purification of lens gases used in photolithography

#66
20050211090
2005-09-29

Method for achieving ultra-low emission limits in VOC control

#67
20050174062
2005-08-11

Plasma reactor and purification equipment

#68
20050069478
2005-03-31

Catalytic destruction of halogenated hydrocarbons

#69
20050056148
2005-03-17

Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream

#70
20050034814
2005-02-17

Method for removing the harmful effects of organic halogen compound gas, apparatus for removing the harmful effects of organic halogen compound gas, system for fabricating semiconductor devices, and method for fabricating semiconductor devices

#71
20050004299
2005-01-06

Activated carbon filter

#72
15582813
2019-11-05

High capacity regenerable graphene-based sorbent