C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
6/218, 149/29
C09K 13/00 (2006.01) C11D 7/50 (2006.01) C23F 1/00 (2006.01) C23F 3/00 (2006.01) C23G 5/028 (2006.01)
Patent
CA 1042156
AZEOTROPE-LIKE COMPOSITIONS OF METHANOL, NITROMETHANE AND TRICHLOROTRIFLUOROETHANE ABSTRACT OF THE DISCLOSURE Azeotrope-like compositions comprising from 5.0 to 6.3 weight percent of methanol, from 0.05 to 0.6 weight percent of nitromethane and from 93.1 to 94.95 weight percent of 1,1,2-trichloro-1,2,2-trifluoroethane, the com- positions being useful for cleaning printed circuit boards.
232153
E.i. Du Pont de Nemours And Company
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