Application of Gustav Widmer, Hans Batzer and Edwin Nikles

MARTIN, Judge.

This is an appeal from an affirmance by the Board of Appeals of the rejection of claims 3, 4, and 7-9, which are all the claims remaining in appellants’ application serial No. 11,964, filed March 1, 1960, for “New Epoxy Compounds.”

The invention relates to epoxy esters of carbonic acid which may be termed di(3,4-epoxyhexahydrobenzyl) carbonates [equivalent name: di-, or bis-(3,4-epoxycyelohexylmethyl) carbonates]. 1 Those epoxy carbonate esters are light-colored monomers that are liquid or fusible at room temperature and can be cured with the usual hardeners for such polyepoxy…