In re Haller

The appellants have here appealed from a decision of the Board of Appeals of the United States Patent Office, in which the decision of the Primary Examiner, rejecting appellants’ claims in an application for a patent relating to a process of impregnating materials, was affirmed.

In this appeal there are involved only three claims, which read as follows:

3. The process of impregnating material which comprises bringing the material to be impregnated into contact with an aqueous solution of the product resulting from the reaction of one molecular proportion of a primary aromatic amine in the…