Concentrated acqueous solutions of anionic disazo dyes with polyglycol-amine
US5211719A · kind A · utility
8Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Sep 27, 1991 |
| Grant date | May 18, 1993 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/919
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Concentrated aqueous solutions are described comprising specific anionic disazo dyes and polyglycol amines, which are highly suitable as commercial forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.