Gas separations utilizing glassy polymer membranes at sub-ambient temperatures

US5837032A · kind A · utility

Assignee

• The Cynara Company · US

Inventors

• David J. Moll · Midland, US
• Alan F. Burmester · Midland, US
• Thomas C. Young · Lake Jackson, US
• Kent B. McReynolds · Midland, US
• James E. Clark · Midland, US
• Charles Hotz · San Mateo, US
• Ritchie A. Wessling · Midland, US
• George J. Quarderer · Midland, US
• Ronald M. Lacher · Midland, US
• Thomas O. Jeanes · Antioch, US
• Henry N. Beck · Walnut Creek, US
• Stephen E. Bales · Midland, US
• Bethanne L. Smith · Freeland, US

Key dates

• Filing date: Feb 10, 1995
• Grant date: Nov 17, 1998
• Expiry date: Feb 10, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B2210/0062
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

This invention relates to a method of an apparatus and method for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures at or slightly above the freezing point of any liquid present so as to achieve superior separator of gas components. The composition of certain monomers and polymers are claimed.