IPC Subgroup
B01D 39/16 of organic material, e.g. synthetic fibres
Introduced: September 1968
Last revised: January 2006
Full Title
Filtering material for liquid or gaseous fluids > Other self-supporting filtering material > of organic material, e.g. synthetic fibres
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
1 direct subcode
Child Classifications
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- B01D 39/18 the material being cellulose or derivatives thereof