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Semipermeable polymers and method for producing same

United States Patent

April 1, 2014
View the Complete Patent at the US Patent & Trademark Office
A polyamide membrane including reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst, and an anhydrous, organic solvent solution comprising a polyfunctional aromatic amine-reactive reactant having one ring. A composite semipermeable membrane including the polyamide membrane on a porous support.
Buschmann; Wayne E. (Boulder, CO)
Eltron Research & Development, Inc. (Boulder, CO)
13/ 412,538
March 5, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under U.S. Army SBIR contract numbers DAAD19-02-0029 and DAAD19-03-C-0041; and Department of Energy SBIR contract numbers DE-FG02-05ER84228 and DE-FG02-05ER84230. The United States government has certain rights in the invention.