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Composition and method to remove asbestos

United States Patent

*** EXPIRED ***
5,753,033
May 19, 1998
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a boron tetrafluoride salt, free of or having only small amounts of an inorganic acid, an inorganic acid salt or a mixture thereof. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition also is disclosed.
Block; Jacob (Rockville, MD)
W. R. Grace & Co.-Conn. (New York, NY)
08/ 721,858
September 27, 1996
This invention was made with Government support under contract DE-AC02-76CH00016 awarded by the Department of Energy. The Government has certain rights to this invention.