Cleaning compositions

Details Cleaning compositions Cleaning compositions

2009-10-02

2011-11-08

Webb, Gregory (Department: 1761)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Liquid composition

C510S410000, C510S412000

Reexamination Certificate

active

08053403

ABSTRACT:
The subject of the invention is a composition comprising (i) from 10% to 25% by weight of 1,1,1,3,3-pentafluorobutane, preferably 16% to 24% by weight of 1,1,1,3,3-pentafluorobutane; (ii) from 62% to 70% by weight of trans-dichloroethylene, preferably from 63% to 68% by weight of trans-dichloroethylene, (iii) from 10% to 21% by weight of nonafluoromethoxybutane, preferably from 11% to 17% by weight of nonafluoromethoxybutane; and; (iv) from 1% to 4% by weight of nonafluoroethoxybutane, preferably from 2% to 4% by weight of nonafluoroethoxybutane. The subject matter of the invention is also to the use of said composition as a cleaning, solvent, degreasing, defluxing or drying agent.

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