ClassID:

30180

B01D2239/025 - page 2 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres

Recent Application in this class:
#301
20110064928
2011-03-17

NONWOVEN MATERIAL

#302
20110042316
2011-02-24

Liquid filtration media

#303
20110039690
2011-02-17

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#304
20110031656
2011-02-10

Multilayered composite structure with electrospun layer

#305
20110030885
2011-02-10

Process of making a prosthetic device from electrospun fibers

#306
20100326928
2010-12-30

Filtration System

#307
20100313753
2010-12-16

Polyethylene membrane and method of its production

#308
20100307665
2010-12-09

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#309
20100307119
2010-12-09

Multilayer nanofiber filter

#310
20100300054
2010-12-02

Activated protective fabric

#311
20100293910
2010-11-25

Single crystal silicon carbide nanowire, method of preparation thereof, and filter comprising the same

#312
20100288692
2010-11-18

AROMATIC POLYAMIDE NANOFIBER AND FIBER STRUCTURE CONTAINING THE SAME

#313
20100252047
2010-10-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#314
20100240121
2010-09-23

Electrospun nanofibrous membrane assembly for use in capturing chemical and/or biological analytes

#315
20100218471
2010-09-02

HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media

#316
20100216211
2010-08-26

Fibrous mats containing chitosan nanofibers

#317
20100206803
2010-08-19

Multi-layer, fluid transmissive fiber structures containing nanofibers and a method of manufacturing such structures

#318
20100200519
2010-08-12

FILTERS FOR SELECTIVE REMOVAL OF LARGE PARTICLES FROM PARTICLE SLURRIES

#319
20100181249
2010-07-22

Filter having melt-blown and electrospun fibers

#320
20100178507
2010-07-15

Polyamide Fine Fibers

#321
20100173070
2010-07-08

Porous Substrates, Articles, Systems and Compositions Comprising Nanofibers and Methods of Their Use and Production

#322
20100139226
2010-06-10

Ceramic nanofibers for liquid or gas filtration and other high temperature (> 1000° C.) applications

#323
20100107578
2010-05-06

Fleece medium, it's manufacturing method and a filter element made of it

#324
20100095876
2010-04-22

Coal combustion flue gas filters

#325
20100064645
2010-03-18

Fine fiber media layer

#326
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

#327
20100050866
2010-03-04

NANOWIRE FILTER, METHOD FOR MANUFACTURING THE SAME, METHOD FOR REMOVING MATERIAL ABSORBED THEREON, AND FILTERING APPARATUS HAVING THE SAME

#328
20100038307
2010-02-18

FILTRATION MEDIA FOR LIQUID FILTRATION

#329
20100031617
2010-02-11

Particle filter system incorporating nanofibers

#330
20100024695
2010-02-04

Fabrics

#331
20100009267
2010-01-14

METAL OXIDE FIBERS AND NANOFIBERS, METHOD FOR MAKING SAME, AND USES THEREOF

#332
20090272086
2009-11-05

NANOFIBER FILTER MEDIUM AND METHOD FOR MANUFACTURING THE SAME

#333
20090266759
2009-10-29

INTEGRATED NANOFIBER FILTER MEDIA

#334
20090266233
2009-10-29

Filter bag for a vacuum cleaner and also use thereof

#335
20090261035
2009-10-22

Nanowebs

#336
20090255226
2009-10-15

Thermally stabilized bag house filters and media

#337
20090249956
2009-10-08

Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment

#338
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

#339
20090199717
2009-08-13

Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods

#340
20090194423
2009-08-06

Method of making a filter material including activated carbon particles having carbon nanofilaments

#341
20090188870
2009-07-30

Uses of fibrillated nanofibers and the removal of soluble, colloidal, and insoluble particles from a fluid

#342
20090143227
2009-06-04

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#343
20090117803
2009-05-07

PLEATABLE NONWOVEN MATERIAL AND METHOD AND APPARATUS FOR PRODUCTION THEREOF

#344
20090065436
2009-03-12

Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse

#345
20090050578
2009-02-26

FORMED FILTER ELEMENT

#346
20090045133
2009-02-19

Low Pressure Drop Cyst Filter

#347
20090032475
2009-02-05

Fluoropolymer fine fiber

#348
20090026137
2009-01-29

Liquid filtration media

#349
20090019825
2009-01-22

TACKY ALLERGEN TRAP AND FILTER MEDIUM, AND METHOD FOR CONTAINING ALLERGENS

#350
20080315465
2008-12-25

METHOD OF MANUFACTURING COMPOSITE FILTER MEDIA

#351
20080315464
2008-12-25

Method of manufacturing a composite filter media

#352
20080314011
2008-12-25

Filter element including a composite filter media

#353
20080314010
2008-12-25

Composite filter media

#354
20080302713
2008-12-11

ANTIMICROBIAL FILTER CARTRIDGE

#355
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#356
20080274658
2008-11-06

Needlepunched nanoweb structures

#357
20080274312
2008-11-06

Bag house filters and media

#358
20080264259
2008-10-30

Nanofiber filter facemasks and cabin filters

#359
20080217807
2008-09-11

COMPOSITE FIBER FILTER COMPRISING NAN0-MATERIALS, AND MANUFACTURING METHOD AND APPARATUS THEREOF

#360
20080217241
2008-09-11

COMPOSITE FILTER MEDIA AND METHODS OF MANUFACTURE

#361
20080217239
2008-09-11

Liquid filtration media

#362
20080110822
2008-05-15

Fine fiber media layer

#363
20080110342
2008-05-15

Particle filter system incorporating nanofibers

#364
20080105626
2008-05-08

Fuel filter

#365
20080070463
2008-03-20

Nanowebs

#366
20080026041
2008-01-31

NON-WOVEN MEDIA INCORPORATING ULTRAFINE OR NANOSIZE POWDERS

#367
20080023394
2008-01-31

Medical Filter Material, and Extracorporeal Circulation Column and Blood Filter Utilizing the Filter Material

#368
20080017038
2008-01-24

HIGH EFFICIENCY HVAC FILTER

#369
20070283808
2007-12-13

Air filter with fine fiber and spun bonded media

#370
20070271891
2007-11-29

Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

#371
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

#372
20070207692
2007-09-06

Cellulose nonwoven fabric

#373
20070190880
2007-08-16

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#374
20070163218
2007-07-19

Composite dual layer HEPA filter

#375
20070125703
2007-06-07

Method for providing resistance to biofouling in a porous support

#376
20070125700
2007-06-07

Nanoweb composite material and gelling method for preparing same

#377
20070080103
2007-04-12

Water filter incorporating activated carbon particles with surface-grown carbon nanofilaments

#378
20070075015
2007-04-05

Filtration media for liquid filtration

#379
20070074628
2007-04-05

Coalescing filtration medium and process

#380
20070056256
2007-03-15

Electrostatic air filter

#381
20070023958
2007-02-01

Polyester fiber scrim and method for making same

#382
20070012007
2007-01-18

Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

#383
20060292947
2006-12-28

Polyester fiber scrim and method for making same

#384
20060148066
2006-07-06

Electrospun nanofibrous membrane assembly for use in capturing chemical and/or biological analytes

#385
20060137318
2006-06-29

Filtration media for filtering particulate material from gas streams

#386
20060137317
2006-06-29

Filtration media for filtering particulate material from gas streams

#387
20060093740
2006-05-04

Method and device for manufacturing nanofilter media

#388
20060014460
2006-01-19

Articles containing nanofibers for use as barriers

#389
20050087286
2005-04-28

Manufacturing process of a Teflon dual-direction extending film filtration nonwoven (I)

#390
20050079379
2005-04-14

Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment

#391
20050011827
2005-01-20

Carbon or activated carbon nanofibers

#392
18939596
2025-04-15

Cellulose based biodegradable absorptive filter and method of making

#393
18808127
2024-12-24

Method for making an adsorptive air filter

#394
18665929
2024-10-01

Biodegradable air filter from date palm and method of fabrication thereof

#395
17229757
2026-06-02

Non-passive anti-viral and nanofilter based respirators

#396
17060386
2025-04-29

Automatic sample collector and extractor

#397
13611971
2016-07-05

Flexible fiber-based micro and nanofluidics for probing liquids