In re Weijlard

Garrett, Presiding Judge,

delivered the opinion of the court:.This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the action of the Primary Examiner in finally rejecting, as noninventive over prior art cited, all the claims (eight in number) of appellants’ application, serial No. 382,946, for patent on “Crystalline Nonhygroscopic Calcium Panto thenate and Process of Preparing the Same.”

Claims numbered 1, 2, 3, and 4 are drawn to the product, and claims 5, 6, 7, and 8 to the process of making it.

Claim 1 is the broadest of the product claims,…