Application of Manuel F. Leonor

(dissenting), with whom KIRKPATRICK, Judge, joins.

In view of the disclosure of McIntosh that the density of various cellulosie materials can be at least partially increased by treating them with sulfuric acid alone prior to heating to form charcoal, I agree with the board that it would be obvious to one of ordinary skill in the art to subject bagasse, a cellulosie raw material known to be useful in the manufacture of charcoal, to a similar acid pretreatment to increase its density before full carbonization.

*805The majority seems to find that it is “essential to the McIntosh process to use heat…