ClassID:

30182

B01D2239/0266 - 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 biodegradable or bio-soluble polymers

Recent Application in this class:
#1
20250163651
2025-05-22

METHOD FOR PRODUCING A FILTERING MATERIAL

#2
20250163621
2025-05-22

BIODEGRADABLE AND HYDROPHOBIC POLYLACTIC ACID (PLA ) NON-WOVEN MATERIAL AND PROCESS FOR MANUFACTURING THEREOF

#3
20250128195
2025-04-24

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

#4
20240401296
2024-12-05

DEVICES, SYSTEMS AND METHODS FOR EROSION CONTROL

#5
20240216845
2024-07-04

BIODEGRADABLE COMPOSITE FILTER MEDIA FOR AIR FILTERS AND MANUFACTURING METHOD THEREOF

#6
20240182682
2024-06-06

ANTIMICROBIAL AIR FILTER

#7
20240175214
2024-05-30

FILTER MATERIAL FOR FOOD PACKAGING

#8
20240115981
2024-04-11

Biodegradable cellulose-based filter media and facial masks including the same

#9
20240100455
2024-03-28

FILTERS WITH ELECTROSTATIC FILTERING CAPABILITIES

#10
20240042363
2024-02-08

GAS FILTERS COMPRISING A MATRIX MATERIAL AND A CARBON DIOXIDE SORBENT

#11
20230233888
2023-07-27

RESPIRATOR MASK

#12
20230183602
2023-06-15

Apparatus and method for collection and disposal of fats, oil and grease

#13
20230183473
2023-06-15

BIODEGRADABLE AIR FILTERING FILM AND METHOD FOR MANUFACTURING SAME

#14
20230173418
2023-06-08

Nanofilter System for Personal and Medical Protective Equipment with Nano-Facemask, Resp. Nano-Faceshield and Method of Manufacturing Thereof

#15
20230120158
2023-04-20

Apparatus and method for collection and disposal of fats, oil and grease

#16
20230108099
2023-04-06

BIODEGRADABLE FILTERS

#17
20220307164
2022-09-29

Apparatus and method for collection and disposal of fats, oil and grease

#18
20220305406
2022-09-29

Apparatus and method for collection and disposal of fats, oil and grease

#19
20220258085
2022-08-18

PLEATED POLYMERIC SHEET HAVING APERTURES

#20
20220161170
2022-05-26

FILTER MEDIA, FILTERS, AND METHODS FOR MAKING THE SAME

#21
20220143951
2022-05-12

Geomaterial web with biological degradation properties

#22
20220118295
2022-04-21

BIODEGRADABLE FILTER STRUCTURES

#23
20220096977
2022-03-31

Multi-layer, biodegradable composites for air filtration

#24
20220080701
2022-03-17

BIODEGRADABLE FABRICS MADE FROM POLYLACTIC ACID (PLA) FIBERS AND/OR YARNS AND METHODS FOR MAKING THE SAME

#25
20220010659
2022-01-13

Filtration media including porous polymeric material and degradable shape memory material

#26
20210322907
2021-10-21

MULTILAYER FILTER WITH ANTIMICROBIAL PROPERTIES AND USE THEREOF IN INDUSTRIAL FILTRATION APPLICATIONS AND PROTECTIVE MASKS

#27
20210222388
2021-07-22

Devices, systems and methods for erosion control

#28
20190388806
2019-12-26

Method of forming a compost filter sock

#29
20170095760
2017-04-06

Filter

#30
20140080968
2014-03-20

Blends of a polylactic acid and a water soluble polymer

#31
20140044756
2014-02-13

Multilayer nanofiber filter

#32
20120311991
2012-12-13

Biofilter assemblies for biomass gasification systems

#33
20120135234
2012-05-31

BIODEGRADABLE NANOFIBERS AND IMPLEMENTATIONS THEREOF

#34
20100330236
2010-12-30

FIBER SHEET

#35
20100326907
2010-12-30

Method and device for removing contaminates from fluid-material

#36
20100307119
2010-12-09

Multilayer nanofiber filter

#37
20070144963
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#38
20070144962
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#39
20070095747
2007-05-03

Composite fiber environmental filtration media containing flocculant

#40
20050098495
2005-05-12

Purification materials and method of filtering using the same

#41
20050092451
2005-05-05

Water dispersible products

#42
18939596
2025-04-15

Cellulose based biodegradable absorptive filter and method of making

#43
18808127
2024-12-24

Method for making an adsorptive air filter

#44
18665929
2024-10-01

Biodegradable air filter from date palm and method of fabrication thereof