Water-insoluble barbituric acid-substituted naphthalactam dyestuff
US3980651A · kind A · utility
3Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1974 |
| Grant date | Sep 14, 1976 |
| Priority date | — |
| Expiry date | Aug 8, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dyestuffs of the formula ##SPC1## PA1 R = alkyl, alkenyl, aralkyl, cycloalkyl or aryl and PA1 R.sub.1 = alkyl with at least 4 C atoms, alkenyl, aralkyl, cycloalkyl or aryl As well as their preparation and their use for the dyeing of preferably polyester fibers in yellow shades. The dyeings show good fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.