In re Cavallito

The issue in the present appeal arises from the affirmance by the Board of Appeals of the examiner’s rejection of claim 1 of appellants’ application Serial No. 344,677 filed March 25,1953, for Bis- (N-Hetero-carbocyclic) Alkanes.

Appealed claim 1 reads as follows:

An organic compound selected from the group consisting of (A) those comprising two N-heterocarbocyclic radicals, each radical containing between three and five fused rings joined by an alkylene bridge attached to a nitrogen of each of said radicals, at least three of said rings being composed solely of carbon and nitrogen in the ring,…