Disperse dyes based on isoindolene derivatives
US3987045A · kind A · utility
6Cited by
0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1975 |
| Grant date | Oct 19, 1976 |
| Priority date | — |
| Expiry date | Aug 27, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disperse dyes of the formula: ##SPC1## In which both R's are alkyl, phenyl or phenalkyl (the radical R bearing other substituents if desired) and X is the radical of a methyleneactive compound. The dyes dye fibers of linear polyesters brilliant greenish yellow to bluish red shades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.