(under subclass 158) Processes and products including the addition to the fibers of (1) a dye, or (2) a pigment or chemical agent which produces a color in the product other than white.
(1) Note. If a "pigment" is claimed, there must be a positive disclosure that the product has a color other than white, in order to justify inclusion of a process or product in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
126, for processes of producing a multilayered web or sheet in which the layers have different colors and products thereof.
181.1, for processes and products which include a pigment such as calcium carbonate, titanium dioxide, etc., which impart a white color.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers, see 400-, 696 for processes of dyeing finished dry paper.
