This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of all claims in application Ser. No. 523,987, filed July 25, 1955, for "Lamination of Polyester Foam." The rejected claims on appeal are 1-6 and 8-16.
The invention relates to a laminated product having a layer of diisocyanate-modified polyester foam (a polyurethane foam) to which a facing of some other material...
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