Method to due cotton and other substrates with a micro-organism biomass containing indigo
US4752301A · kind A · utility
9Cited by
1References
9Claims
0Family size
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Inventor
Key dates
| Filing date | Jun 23, 1987 |
| Grant date | Jun 21, 1988 |
| Priority date | — |
| Expiry date | Jun 23, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A biomass containing biologically produced indigo or a derivative thereof which is used for dyeing without isolating the indigo dye from the rest of the solid biomass before dyeing. Cotton dyeings of clean pure shade can be obtained by a vat dyeing procedure which have the usual fastness properties associated with the active substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.