Condensation dyeing
US4121899A · kind A · utility
8Cited by
8References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1977 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | Mar 4, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/8295
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibers are dyed by applying an aqueous dyeing formulation to the fibers, cooling them and condensing halogenated hydrocarbon vapors upon the cool, wet fibers. Residual halogenated hydrocarbon is removed by exposing the fibers to heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.