Saturated linear polyfluorohydrocarbons in cleaning compositions

Details Saturated linear polyfluorohydrocarbons in cleaning compositions Saturated linear polyfluorohydrocarbons in cleaning compositions

1995-06-02

1997-11-04

McGinty, Douglas J.

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Liquid composition

510175, 510256, 252364, C11D 730, C11D 750, C23G 5028, C23G 502

Patent

active

056839782

ABSTRACT:
The compounds CF.sub.3 CHFCHFCF.sub.2 CF.sub.3, CF.sub.3 CH.sub.2 CHFCF.sub.2 CF.sub.3, CF.sub.3 CHFCH.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CHFCHFCF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CH.sub.2 CHFCF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CHFCH.sub.2 CF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CF.sub.2 CH.sub.2 CHFCF.sub.2 CF.sub.3, CF.sub.3 CF.sub.2 CHFCHFCF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CHFCHFCF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CHFCH.sub.2 CF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CH.sub.2 CHFCF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3, CF.sub.3 CF.sub.2 CHFCH.sub.2 CF.sub.2 CF.sub.2 CF.sub.3, and CF.sub.3 CF.sub.2 CH.sub.2 CHFCF.sub.2 CF.sub.2 CF.sub.3 ; and compositions thereof. Catalytic processes using Group VIII metals are disclosed for reacting selected olefinic starting materials with hydrogen to produce as the major products dihydropolyfluoroalkanes or trihydropolyfluoroalkanes wherein the hydrogens are positioned on two adjacent carbon atoms; as are processes using iodine and/or hydrogen iodide in the reduction of selected olefinic starting materials to dihydropolyfluoroalkanes or trihydropolyfluoroalkanes.

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