Inert atmosphere indigo dyeing
US4283198A · kind A · utility
13Cited by
3References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jan 11, 1980 |
| Grant date | Aug 11, 1981 |
| Priority date | — |
| Expiry date | Jan 11, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Oxidation in a leuco indigo dyebath is decreased by enclosing the air-liquor interface whereby enclosed air is depleted of oxygen by the dyebath components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.