Spialter v. Marzall

PINE, District Judge.

This is an action under § 4915 R.S., 35 U.S.C. § 63, seeking an adjudication that plaintiff is entitled to a patent on a high wet strength paper and the method of making it. The process consists in subjecting a cellulose paper web to the action of silicon tetrachloride or some other inorganic halide of silicon or titanium in order to increase its wet strength. The basic reference is a patent to Callinan, No. 2394040, which teaches the treatment of an asbestos web with the same materials and for the same purpose. The sole issue is whether plaintiff, in following the…