Patent · US Expired

Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties

US4900334A · kind A · utility

9Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1988
Grant dateFeb 13, 1990
Priority date
Expiry dateNov 9, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B21/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to a method of treating liquid-wet polycarbonate membranes to improve gas separation properties.

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