Method of cleaning using hydrochlorofluorocarbons

Cleaning and liquid contact with solids – Processes – Oils – grease – tar – or wax removal – by dissolving

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8142, C23G 5028, B08B 308

Patent

active

049478818

ABSTRACT:
A method of cleaning a surface of a substrate is provided. The method comprises treating the surface with a solvent comprising a compound of the formula

REFERENCES:
patent: 2413696 (1947-01-01), Downing
patent: 2690764 (1969-12-01), Benning
patent: 2838457 (1958-06-01), Ballentine
patent: 3085918 (1963-04-01), Sherliker
patent: 4465609 (1984-08-01), Denis
Research Disclosure 14623 (Jun. 1978).
EPA "Findings of the Chlorofluorocarbon Chemical Substitutes International Committee", EPA-600/9-88-009 (Apr. 1988).
Kyodo News Service, Tokyo, Japan (Feb. 1989).

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