(under subclass 100) Processes and products which include proteinaceous fibers or fibers of animal origin.
(1) Note. This subclass includes the products under "E." of the class definition of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
2, for processes of chemically liberating or purifying animal fibers.
143+, for processes and products containing animal or proteinaceous fibers mixed with a different fiber.
SEE OR SEARCH CLASS 428, Stock Material Miscellaneous Articles, appropriate subclasses, for a fiber or fiber containing single or plural layer stock material product with either internal structure (e.g., crimped fiber), or external structure (e.g., corrugated sheet), where the sole disclosed method of manufacture is some process (e.g., air-laying), other than a process of fiber deposition from a liquid suspension.
