LANE, Judge.
This appeal is from the decision of the Patent Office Board of Appeals, which affirmed the rejection of product claims 1-3, 5-8, 10-17, 19-22, 24-26 and 28-31 in appellants' patent application serial No. 199,603, filed June 4, 1962, for "Essentially Cis Rubbery Polyisoprene and Method for Making Same." The application is a continuation-in-part of applications serial No. 530,396, filed August 24, 1955, and serial No. 605,438, filed August 21, 1956...
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