Polymer-bound nitrogen adsorbent and method of making and using it

Gaita, R., Yates, S. F., Zhou, S., & Chang, C-H. (2002). Polymer-bound nitrogen adsorbent and method of making and using it. (U.S. Patent No. 6,451,723). http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6,451,723.PN.&OS=PN/6,451,723&RS=PN/6,451,723

Abstract

A gas adsorbent is made by dissolving a polymer in one or more first solvents to form a polymer solution; mixing an inorganic adsorbent with the polymer solution to form a precursor; molding the precursor; and leaching the first solvents from the precursor with a second solvent.

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