RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of claims 1-18 of application serial No. 432,382, filed February 12, 1965, entitled "Cellulosic Paper Containing Asbestos." No claim has been allowed.
The invention relates to the manufacture of paper comprising primarily cellulosic fiber and using in addition a material which appellant refers to as "high purity" asbestos and defines as chrysotile asbestos...
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