Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Corrosion inhibiting composition for treating asbestos containing materials

Patent ·
OSTI ID:644380

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed. The composition comprises water, at least about 30% by weight of an acid component, optionally a source of fluoride ions, and a corrosion inhibiting amount of thiourea, a lower alkylthiourea, a C{sub 8}{single_bond}C{sub 15} alkylpyridinium halide or mixtures. A method of transforming an asbestos-containing building material, while part of a building structure, into a non-asbestos material by using the present composition also is disclosed.

Research Organization:
Associated Universities Inc
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC02-76CH00016
Assignee:
W. R. Grace and Co.-Conn., New York, NY (United States)
Patent Number(s):
US 5,741,358/A/
Application Number:
PAN: 8-721,853
OSTI ID:
644380
Country of Publication:
United States
Language:
English