Ford v. Marzall, Commissioner of Patents

This is a suit to obtain a patent under R.S. § 4915, 35 U.S.C.A. § 63, covering a process for making chintz and other lustrous fabrics. The principal claim in the patent application reads as follows: “22. The process of imparting durable lustrous mechanical effects to cellulose and regenerated cellulose fibers and fabric, which comprises sizing the material with a water solution containing a polysaccharide carbohydrate and an aldehyde selected from the group consisting of formaldehyde, para-formaldehyde, glyoxal and acetaldol, drying the material to dampness, imparting a lustrous mechanical…