This class includes:
A. Processes for the liberation, recovery or purification offibers as individual staple fibers or as a pulp of such fibers,including cellulosic fibers, from a fibrous containing materialby use of a reagent which exerts some chemical or solvent actionupon the fibrous material.
B. Reagent compositions employed in the processes "A" above,and processes of preparation of such compositions, not otherwiseprovided for;
C. Processes including the deposition of fibers from a liquidsuspension thereof in order to form an interfelted product and processesof treatment of the deposited fibrous product prior to the finaldrying thereof;
D. Fibrous pulps and deposited fibrous webs or articles whichare produced by processes "A" or "C" above, whichare not otherwise provided for;
E. In addition to the products set forth in "D," thisclass also includes any nonstructural fiber or fiber containing product(e.g., particular fiber blend) manufactured by any other process(e.g., airlaid) where not elsewhere provided for. See SubclassReferences to the Current Class, below, and also see Referencesto Other Classes, below, for classes that refer to this section.
F. Apparatus employed in carrying out processes "A" and "C" above,not otherwise provided for;
G. An endless Fourdrinier wire is provided for in this class.