(under subclass 262) Processes wherein the preexisting material is an organic fiber material, per se, or the fiber is spun or woven into fabric.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers, for chemical modification and fluid treatment of fibers and textiles, not otherwise provided for; and
138, for nonenzymatic removal of natural sericin or other naturally occurring gum or wax or an artificially applied size or gum from textile fibers.
19, Textiles: Fiber Preparation, for the mechanical treatment of fibers to put them in condition for use.
162, Paper Making and Fiber Liberation, particularly
