Method of cleaning a substrate using a dichloropentafluoropropan

Details Method of cleaning a substrate using a dichloropentafluoropropan Method of cleaning a substrate using a dichloropentafluoropropan

1990-10-25

1992-05-26

Willis, Jr., Prince

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

252162, 252165, 252166, 252170, 252191, C23G 5028, C23G 5032

Patent

active

051164264

ABSTRACT:
A method for cleaning a surface of a substrate which comprises treating the surface with a dichloro-pentafluoro-propane solvent. The method is specifically directed to the use of 1,1-dichloro-2,2,3,3,3-pentafluoro propane and 1,3-dichloro-1,1,2,2,3-pentafluoropropane as the cleaning solvent.

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Research Disclosure, No. 146, Jun. 1976, p. 13, abstract No. 14623, Hampshire GB; E. I. Du Pont de Nemours: "Hydrogen-containing chlorofluorocarbons".
Chemical Abstracts, vol. 110, 1989, p. 638, abstract No. 114259m, "Disubstituted polyfluoroalkenes".
Australian Office Action for Patent Application 36685/89.

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