Thermal development of color in a polyamide textile material with aminobenzenesulfonyl azides
US4415334A · kind A · utility
2Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1982 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Sep 29, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/929
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a method of thermally developing color on a polyamide textile material. The material is first contacted with an aminobenzenesulfonyl azide and then is heated at a temperature ranging from 80.degree. C. to the melting point of the polyamide material for an amount of time sufficient to develop a color thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.