Application of Charles L. Cormany, William R. Dial and Blaine O. Pray

ALMOND, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the final rejection of claim 28 of appellants’ application entitled “Stabilized Compositions.” 1 No claim has been allowed.

The invention relates to the stabilization, against decomposition, of methyl-chloroform (1,1,1-trichloroethane), an industrial solvent useful for liquid and vapor phase degreasing. In such usage, methylchloroform evidences a strong tendency to decompose, particularly when in contact with light metals such as aluminum, thus destroying its practical value as a solvent.…