(under subclass 109) Processes including a step of initially forming the particles from nonparticulate material or liberating them from a fiber or particle containing material.
(1) Note. Included in this and indented subclasses are, for example, carding, grinding, cutting, etc., as well as forming particles by a molding operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, for processes including a step of forming particles from a molten or liquid mass other than glass.
SEE OR SEARCH CLASS
19, Textiles: Fiber Preparation,
.3+, for a process of severing filaments of indefinite length to produce discrete fibers. 65, Glass Manufacturing,
376+, for processes of forming glass fibers or filaments, particularly subclasses 443+ and 454+ for processes of forming glass fiber felt or mat by bulk assembly. For further delineation of the line between Class 65 and Class 264 see
the class definition for Class 65, section III B.
162, Paper Making and Fiber Liberation,
1+, for processes of chemical liberation, recovery or purification of natural cellulose or fibrous material.
