Patent · US Expired

Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters

US7585421B2 · kind B2 · utility

1Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2003
Grant dateSep 8, 2009
Priority date
Expiry dateJun 17, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24273
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The method comprises the following steps: The invention is applicable to fabricating micron and sub-micron filters.

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