In re Sweeney

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the examiner’s rejection of all the claims (numbered 1, 6, and 10 to 16, inclusive,) of appellants’ application for patent, entitled “Chemical Reactions.”

The claims relate to a method of carrying out catalytic reactions in oil cracking processes.

Claims 1 and 14 read:

1. A method of carrying out catalytic reactions which comprises mixing heated gaseous fluid with divided catalyst particles, passing the resulting mixture generally upwardly through a reaction vessel having a large…