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IMPROVED MEMBRANES FOR SEPARATION OF ALKENES FROM ALKANES

United States Patent Application

20180093230
A1
View the Complete Application at the US Patent & Trademark Office
Improved membranes which can separate alkanes and alkenes, and have at least one layer of a Group 11 metal ionomer, are made by exposing the ionomer to a strong Bronsted acid having a pKa of about 1 or less. The membranes have longer useful lives and have better initial permeances of alkenes.
KOIZUMI, YOSUKE (BEAR, DE)
15/ 573,436
May 6, 2016
GOVERNMENT RIGHTS [0001] Support was provided under Department of Energy awards of DE-SC0004672 and DE-SC0007510. The U.S. government has rights in this patent application.