Method of dyeing substrates in carbon dioxide
US6010542A · kind A · utility
21Cited by
12References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Aug 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of dyeing a substrate in carbon dioxide comprises the steps of (a) providing a dye composition comprising carbon dioxide, a dye, and a surfactant, the surfactant included in an amount sufficient to solubilize, emulsify or disperse the dye in the carbon dioxide; and then (b) dyeing said substrate with said dye composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.