(under subclass 100) Processes and products which include undigested cellulose, such as groundwood or sawdust.
(1) Note. This subclass includes the products under "E." of the class definition of this class.
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142, for processes and products which include undigested cellulose fiber mixed with a different fiber.
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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.
