Compositions – Solvents
Patent
1996-05-10
1998-12-22
Anthony, Joseph D.
Compositions
Solvents
510176, 510200, 510285, 510365, 510407, 510412, 510411, 510409, 510177, B01F 100, C23G 5028, C23G 5032
Patent
active
058514350
ABSTRACT:
Disclosed is a cleaning composition of about 80 to about 99 wt % benzotrifluoride, about 1 to about 20 wt % monohydric alkanol from C.sub.1 to C.sub.4, and up to about 20 wt % of a fluorocarbon having the general formula C.sub.m H.sub.n F.sub.2m+2n, where m is 4 to 8 and n is 1 to m/2 if m is even and (m+1)/2 if m is odd. The composition is useful in cleaning greases, oils, solder fluxes, and other soils.
REFERENCES:
patent: 4232072 (1980-11-01), Pardee
patent: 4578209 (1986-03-01), Hisamoto et al.
patent: 5242772 (1993-09-01), Kato et al.
patent: 5244507 (1993-09-01), Rowe
patent: 5578381 (1996-11-01), Hamada et al.
patent: 5744437 (1998-04-01), Rowe et al.
CA:125:36361 entitled: "Nonflamable Mixed Solvent Compositions, Cleaning Method, and Apparatus", by Matsuhisa et al. (Apr., 4, 1996).
Chen Hang-Chang Bobby
Rowe Edward A.
Anthony Joseph D.
Fuerle Richard D.
Occidental Chemical Corporation
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