(under subclass 100) Processes combined with a step of treating the fibrous material either before or after deposition not otherwise provided for.
(1) Note. This subclass includes combinations of waterlaying with such operations, not provided for in this class, as mechanical comminution of solids (Class 241, Solid Material Comminution or Disintegration), and adhesively bonding the waterlaid product to a solid preform which bonding operation, per se, is classified in Class 156, Adhesive Bonding and Miscellaneous Chemical Manufacture.
