RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals which affirmed the rejection of claims 126 to 162 in appellants' application serial No. 662,319, filed May 29, 1957, entitled "Photographic Reproduction." Thirty-one claims stand allowed.
The invention relates to electrophotography, in particular to chemical compounds which are photoconductive and thus useful as coatings for substrata on which it is desired to reproduce images...
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