Patent · US Expired

Filter member

US7063733B2 · kind B2 · utility

29Cited by
24References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2002
Grant dateJun 20, 2006
Priority date
Expiry dateJun 21, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60H2003/0691
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter member which comprises one layer of deodorizing filter 1, which is composed of a reticulated filter substrate and a deodorizing agent adhering to the surface of its skeletons, and one or two layers of dust collecting filter 2a and 2b laminated on any one side or both sides thereof, with the resulting laminate being pleated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.