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Synthesis of high molecular weight PEO using non-metal initiators

United States Patent

May 19, 2015
View the Complete Patent at the US Patent & Trademark Office
A new synthetic method to prepare high molecular weight poly(ethylene oxide) with a very narrow molecular weight distribution (PDI<1.5) is described. The method involves a metal free initiator system, thus avoiding dangerous, flammable organometallic compounds.
Yang; Jin (Pleasanton, CA), Sivanandan; Kulandaivelu (Fremont, CA), Pistorino; Jonathan (Oakland, CA), Eitouni; Hany Basam (Oakland, CA)
Seeo, Inc. (Hayward, CA)
13/ 684,147
November 21, 2012
STATEMENT OF GOVERNMENT SUPPORT The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-OE0000223. The U.S. Government has certain rights in this invention.