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Canister, sealing method and composition for sealing a borehole

United States Patent

June 28, 2005
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
Method and composition for sealing a borehole. A chemically bonded phosphate ceramic sealant for sealing, stabilizing, or plugging boreholes is prepared by combining an oxide or hydroxide and a phosphate with water to form slurry. The slurry is introduced into the borehole where the seal, stabilization or plug is desired, and then allowed to set up to form the high strength, minimally porous sealant, which binds strongly to itself and to underground formations, steel and ceramics.
Brown; Donald W. (Los Alamos, NM), Wagh; Arun S. (Orland Park, IL)
The Regents of the University of California (Los Alamos, NM)
10/ 349,359
January 21, 2003
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract Nos. W-7405-ENG-36 and W-31-109-ENG-38 awarded by the U.S. Department of Energy. The government has certain rights in the invention.