子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Process of dyeing | US75245724 | 1924-11-26 | US1575324A | 1926-03-02 | WALTER DUISBERG; WINFRIED HENTRICH |
| 62 | Process of dyeing. | US1905243808 | 1905-02-02 | US794314A | 1905-07-11 | RICHARD BERNHARD |
| 63 | METHOD OF DYEING A SEMI-FINISHED PRODUCT | PCT/US2007024802 | 2007-12-04 | WO2008070056A3 | 2008-07-31 | PYLES ROBERT A; ARCHEY RICK L; DERIKART DAVID M |
| A method of dyeing a semi-finished product is disclosed. The method comprise: (a) providing a semi-finished product selected from the group consisting of powders, pellets and strands, that contain at least one thermoplastic polymer; (b) immersing said semi-finished product in a dye bath comprising, (i) at least one dye, (ii) water, (iii) at least one carrier represented by the following general formula I, (I) R1[O(CH2)n]mOR2 where R1 and R2 independently one of the other denote H, C1-18-alkyl, benzyl, benzoyl or phenyl radicals which may be substituted in the aromatic ring by alkyl and/or halogen, n is 2 or 3 and m is 1 to 35, and (iv) a diol selected from at least one of linear or branched C2-C20 aliphatic diols, PoIy(C2-C4 alkylene glycol), cycloaliphatic diols having from 5 to 8 carbon atoms in the cyclic ring, monocyclic aromatic diols, bisphenols and hydrogenated bisphenols; (c) retaining said semi-finished product in said bath for a period of time sufficient to form a dyed semi-finished product; and (d) removing said dyed semi-finished product from said bath. | ||||||
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