Application of Arthur Sinclair Taylor

SMITH, Judge.

The sole issue 1 here is whether the rejection of claim 1 of the application on appeal 2 is proper. The rejection is for double patenting and is predicated on the claims of appellant’s prior patent. 3 The application on appeal is a continuation-in-part of the application on which appellant’s prior patent was issued.

The appealed application and the patent are each concerned with a film of collagen which may be slit into ribbons. Collagen is a protein found in, e. g., intestines and tendons of animals. Collagen had been fluidized and cast into ribbons prior to appellant’s invention…