Cleaning and liquid contact with solids – Processes – Miscellaneous
Patent
1991-06-20
1992-06-02
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Miscellaneous
B08B 308
Patent
active
051183595
ABSTRACT:
Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms with the proviso that when each R is CF.sub.3, R' is not CF.sub.3 (CF.sub.2).sub.2 --, CF.sub.3 CF.sub.2 --, or CF.sub.3 have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.
REFERENCES:
patent: 5073206 (1991-12-01), Wilson et al.
Li Chien C.
Sukornick Bernard
Allied-Signal Inc.
Brown Melanie L.
El-Arini Zeinab
Friedenson Jay P.
Morris Theodore
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