ALMOND, Judge.
This is an appeal from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, affirming the rejection of claims 1-20 in appellants' application entitled "Phenolic Resin Foams."
The invention relates to phenolic resin foams and the method of preparing such foams using low-boiling blowing agents in the presence of surface-active materials (surfactants) and acid...
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