Application of Noel F. Hamilton

ALMOND, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the rejection of claims 1, 2 and 3, the only claims in appellant’s application entitled “Method of Detecting Leaks and a Composition Therefor.” 1

The invention resides in a method of detecting leaks in pressurized fluid systems and specifically in applying to the area to be tested a foam-forming composition of a particular sulfonate in specific concentrations in distilled water. The majority of liquid and gas line systems are checked for leaks that may exist due to faulty joints or the like.…