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Method for removal of beryllium contamination from an article

United States Patent

December 25, 2012
View the Complete Patent at the US Patent & Trademark Office
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A method of removal of beryllium contamination from an article is disclosed. The method typically involves dissolving polyisobutylene in a solvent such as hexane to form a tackifier solution, soaking the substrate in the tackifier to produce a preform, and then drying the preform to produce the cleaning medium. The cleaning media are typically used dry, without any liquid cleaning agent to rub the surface of the article and remove the beryllium contamination below a non-detect level. In some embodiments no detectible residue is transferred from the cleaning wipe to the article as a result of the cleaning process.
Simandl; Ronald F. (Knoxville, TN), Hollenbeck; Scott M. (Knoxville, TN)
Babcock & Wilcox Technical Services Y-12, LLC (Oak Ridge, TN)
13/ 407,156
February 28, 2012
GOVERNMENT RIGHTS The U.S. Government has rights to this invention pursuant to contract number DE-AC05-00OR22800 between the U.S. Department of Energy and Babcock & Wilcox Technical Services Y-12, LLC.