Patent · US Expired

Filter and method of fabricating

US6998009B2 · kind B2 · utility

6Cited by
22References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 2003
Grant dateFeb 14, 2006
Priority date
Expiry dateMay 26, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2239/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of making a filter includes the steps of: providing a substrate having a porous surface; applying to the porous surface a coating of dry powder comprising particles to form a filter preform; and heating the filter preform to bind the substrate and the particles together to form a filter.

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