Robert Charles Anton

Author:

Robert Anton

ISBN #:

3927698008

US Patent:

50841998, Jan 28, 1992

Filed:

Oct 9, 1990

Appl. No.:

7/592174

Inventors:

Robert D. Anton - Claymont DE

Assignee:

E. I. Du Pont de Nemours and Company - Wilmington DE

International Classification:

C11D 750

US Classification:

252170

Abstract:

The compound 1,1,2,2,3,3-hexafluorocyclopentane and mixtures thereof with alcohols, ethers, esters, ketones, nitromethane, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said compound or said mixtures. Binary mixtures of 1,1,2,2,3,3-hexafluorocyclopentane either with about 27 to 35 weight percent methanol, or with about 21 to 29 weight percent ethanol are disclosed as azeotrope or azeotrope-like compositions and are particularly suited for use where solvent recovery and reuse is practiced.