Application of Donald Wallace Adamson and Walter Mark Duffin

MARTIN, Judge.

This appeal is from a decision of the Board of Appeals affirming the final rejection of claims 1 to 11, inclusive, the only claims remaining in application Serial No. 415,412, filed March 10, 1954, entitled “Therapeutic Isomers and Method of Making.”

Claim 1 is a typical claim.

“1. A laevo-isomer of a compound selected from the class consisting of l-cycíohexyl-l-phenyl-3-piperidinopropan-l-ol and 1-cydohexyl-l- phenyl-3-pyrrolidinopropan-l-ol and their acid addition salts and quaternary ammonium salts substantially separated from the dextro-isomer.”

As is apparent from the quoted…