Patent · US Expired

Membrane and a method for making a membrane

US6540850B2 · kind B2 · utility

1Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2001
Grant dateApr 1, 2003
Priority date
Expiry dateMay 3, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12903
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A membrane 30 and a method 12 for making the membrane 30comprising the steps of selectively placing a first material 14 upon a substrate 16, depositing a certain material 26 upon a first material 14, and heating the materials 14, 16, 26, thereby forming a membrane 30.

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