(under the class definition) Processes wherein a fabric, filament, or yarn is treated to produce a matte or dull finish.
(1) Note. This subclass includes treatment of artificial silk or rayon which possesses high sheen or luster with various salt solutions and dulling pigments.
(2) Note. This subclass does not include processes of
coating fabric with compositions which may inherently dull or deluster but in which no dulling or delustering is disclosed.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing: Fluid Treatment and Chemical Modification of Textiles and Fibers,
443, for luster modifying in connection with weighting, subclasses 129+, for luster modifying in connection with chemical modification, and subclasses 114+ and 127.5, for changing the luster of vegetable or animal fibers by chemical modification. 26, Textiles: Cloth Finishing, and 28, Textiles: Manufacturing, for luster modification of textiles not involving the use of fluids or chemicals.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes, particularly
165+, for processes within the class definition, for forming continuous or indefinite length articles, which may disclose use of delustering agents in either a spinning solution or a precipitation bath. Subclasses 187+, in particular, is pertinent to cellulose derivative article forming material and precipitating baths therefor.
