ClassID:

100045

C08G2340/00 - CPC Classification

Classification description:

Filter material

Recent Application in this class:
#1
20250163212
2025-05-22

METHOD OF MAKING SULFONATED POLYPHENYLENES

#2
20250051522
2025-02-13

FUNCTIONALIZED POLY(ARYL ETHER SULFONE) COPOLYMERS

#3
20250041808
2025-02-06

SEPARATION FUNCTIONAL LAYER, SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION FUNCTIONAL LAYER

#4
20240327574
2024-10-03

POLYIMIDE COPOLYMERS AND MEMBRANES, PREPARATION METHODS AND USES THEREOF AS WELL AS SYSTEMS AND METHODS FOR PURIFYING HELIUM GAS

#5
20240209247
2024-06-27

GREEN ALTERNATIVE POLYURETHANE ADHESIVE

#6
20240191026
2024-06-13

Flexible polyurethane foams having low compression set

#7
20220275141
2022-09-01

Polyurethane resin-forming composition for membrane-sealing material, and membrane and membrane module using same

#8
20220243010
2022-08-04

COMPOSITIONS AND ARTICLES INCLUDING PERFLUOROPOLYETHER BOTTLEBRUSH POLYMERS AND METHODS OF MAKING AND USING SAME

#9
20220169802
2022-06-02

Polypropylene backbone, and nanoporous polypropylene membrane

#10
20220041786
2022-02-10

Method for the production of thermoplastic polyoxazolidinone polymers

#11
20210387143
2021-12-16

Apparatus and system for a molecular imprinted air filter

#12
20210371596
2021-12-02

Novel Antimicrobial Topical Skin Closure Compositions and Systems

#13
20210269581
2021-09-02

ELASTOMERIC POLYURETHANE FOAMS AND METHODS FOR PRODUCING THE SAME

#14
20210197124
2021-07-01

Temperature-resistant potting material for hollow fiber membranes

#15
20210163659
2021-06-03

Storage-stable polyurethane casting compound for embedding hollow fibres in the production of filter elements

#16
20210052635
2021-02-25

POLYMERS FOR REVERSING HEPARIN-BASED ANTICOAGULATION

#17
20190240642
2019-08-08

Polymer/carbon nanotube composite and methods for wastewater treatment

#18
20190225751
2019-07-25

Method for preparing polyaniline complex with antimicrobial activity and heavy metal removal efficiency using conductive poly aniline polymer doped with organic acid and metal ion in defined order

#19
20190217254
2019-07-18

Polyaniline membranes, uses, and methods thereto

#20
20190093907
2019-03-28

Blended membranes for water vapor transport and methods for preparing same

#21
20190055327
2019-02-21

Method for manufacturing filter membrane for inhibiting microorganisms

#22
20180345269
2018-12-06

Terminally-crosslinked methyl morpholinium-functionalized block copolymers, and anion exchange membranes using the same

#23
20180312667
2018-11-01

Thermoplastic compositions, methods, apparatus, and uses

#24
20180214478
2018-08-02

Polymers for reversing heparin-based anticoagulation

#25
20180194889
2018-07-12

Nitrogen-containing compounds suitable for use in the production of polyurethanes

#26
20180126338
2018-05-10

NEW POLYMER COMPOSITIONS

#27
20180085716
2018-03-29

Gas separation membrane, gas separation module, gas separation device, gas separation method, and polyimide compound

#28
20180079661
2018-03-22

POLYMER AND POLYMER LOADED MATERIALS FOR SCAVENGING ENVIRONMENTAL POLLUTANTS FROM NATURAL WATER SOURCES

#29
20180066103
2018-03-08

Isatin copolymers having intrinsic microporosity

#30
20170369652
2017-12-28

Polymers of intrinsic microporosity

#31
20170333849
2017-11-23

Copolymers for making membranes

#32
20170296985
2017-10-19

Separation membrane, separation membrane element and separation membrane module

#33
20170239627
2017-08-24

Process for making membranes

#34
20170216765
2017-08-03

Composite gas separation membrane

#35
20170184317
2017-06-29

Blended membranes for water vapor transport and methods for preparing same

#36
20170073467
2017-03-16

Copolymers suitable for making membranes

#37
20150360173
2015-12-17

Sulfur scavenging materials for filters and coatings

#38
20150343352
2015-12-03

Sulfur scavenging materials for filters and coatings

#39
20150283171
2015-10-08

POLYMERS FOR REVERSING HEPARIN-BASED ANTICOAGULATION

#40
20150273404
2015-10-01

Polyaniline membranes, uses, and methods thereto

#41
20150224244
2015-08-13

Polymers for reversing heparin-based anticoagulation

#42
20150141512
2015-05-21

Polymer-based dialysate

#43
20150132248
2015-05-14

Antimicrobial polyurethane materials and methods of forming and using same

#44
20150108070
2015-04-23

METHOD FOR PREPARING CROSS-LINKED HYPERBRANCHED POLYAMIDOAMINE PARTICLES USING REVERSE PHASE SUSPENSION POLYMERIZATION AND PRECURSOR

#45
20140364567
2014-12-11

Styrene-siloxane triblock copolymers as membranes for selective transport of alcohols and other organic compounds in aqueous mixtures

#46
20140360932
2014-12-11

Polymeric matrices formed from monomers comprising a protected amine group

#47
20130022647
2013-01-24

Polymers for reversing heparin-based anticoagulation

#48
20130004454
2013-01-03

Polyurethane block copolymer based on poly siloxane tenside for membranes

#49
20120308546
2012-12-06

Polymers for reversing heparin-based anticoagulation

#50
20120264843
2012-10-18

COMPOSITION CONTAINING SPECIFIC CARBAMATE TYPE COMPOUNDS SUITABLE FOR PRODUCING POLYURETHANE FOAMS

#51
20120152822
2012-06-21

Polymeric matrices formed from monomers comprising a protected amine group

#52
20110034579
2011-02-10

POLYURETHANE FILTERS FOR AIR PURIFICATION

#53
20110021652
2011-01-27

Coarse-cell polyurethane elastomers

#54
20090149560
2009-06-11

Polyhydroxyalkanoate-based resin foamed particle, molded article comprising the same and process for producing the same

#55
20060205830
2006-09-14

Filter materials for adsorbing hydrocarbons