(under subclass 100) Processes and products which contain mineral fibers.
(1) Note. This subclass includes the products under "E." of the class definition of this class.
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3, for processes of chemically liberating or purifying mineral fibers.
145, for processes and products containing mineral fibers mixed with a different fiber.
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264, Plastic and Nonmetallic Article Shaping or Treating: Processes, 110, for forming articles by uniting randomly associated particles of mica.
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.
