| 8 / | HD | BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS |
|
| 636 |  | DYE OR POTENTIAL DYE COMPOSITION, ADDITIVE, TREATMENT, PROCESS, PRODUCT, OR ANCILLARY DYE OPERATION {12} |
| 637.1 | DF | .~> Pigments used as dyes (imbibition of a pigment) |
| 638 | DF | .~> Mixed dyes, noncomplexed {4} |
| 645 | DF | .~> Inorganic dye (mineral dye) |
| 646 | DF | .~> Dye extracted from natural product |
| 647 | DF | .~> Polymeric dye, e.g., a chromophore pendant from an addition polymer, etc. |
| 648 | DF | .~> Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole, benzothiazole, pyrazoline dye, etc., optical brightner or bluing agent |
| 649 | DF | .~> Oxidation dye, e.g., aniline, nitroaniline, etc. |
| 650 | DF | .~> Sulfur dye or vat dye {3} |
| 654 | DF | .~> Basic (cationic) dye containing strongly basic onium or alkylene imine group {1} |
| 657 | DF | .~> Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, etc., group-containing {2} |
| 661 | DF | .~> Phthalocyanine dye |
| 662 | DF | .~> Azo, acridone, or quinone dye {15} |