The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1998
Filed:
Sep. 27, 1996
Jacob Block, Rockville, MD (US);
Natalia Vera Krupkin, Timonium, MD (US);
Daniel Reid Kuespert, Columbia, MD (US);
Gary Masaru Nishioka, Pataskala, OH (US);
John Wing-Keung Lau, North Potomac, MD (US);
Nigel Innes Palmer, Boca Raton, FL (US);
W. R. Grace & Co.-Conn., New York, NY (US);
Abstract
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 an acid component, at least about 0.1% by weight of a source of fluoride ions, and a stable foam forming amount of a foaming agent system having both cationic and non-ionic functionality. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition in the form of a foam also disclosed.