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Procedures for the Synthesis of Ethylenediamine Bisborane and Ammonia Borane

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A method for synthesizing ammonia borane includes (a) preparing a reaction mixture in one or more solvents, the reaction mixture containing sodium borohydride, at least one ammonium salt, and ammonia; and (b) incubating the reaction mixture at temperatures between about C. to about room temperature in an ambient air environment under conditions sufficient to form ammonia borane. Methods for synthesizing ethylenediamine bisborane, and methods for dehydrogenation of ethylenediamine bisborane are also described.
Ramachandran, Padi Veeraraghavan (West Lafayette, IN), Gagare, Pravin D. (West Lafayette, IN), Mistry, Hitesh (Lafayette, IN), Biswas, Bidyut (West Lafayette, IN)
13/ 809,316
July 6, 2011
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under Grant No. DE-FG36-06GO86050 awarded by the United States Department of Energy, and Grant No. W909MY-09-C-0030 awarded by the United States Army CECOM RDEC Power Technology Branch. The United States government has certain rights in the invention.