Pigment compositions
US4304711A · kind A · utility
4Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1979 |
| Grant date | Dec 8, 1981 |
| Priority date | — |
| Expiry date | Mar 16, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/23
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A colored synthetic plastics mass having incorporated therein the calcium salt of the dyestuff from diazotized 2-nitroaniline-4-sulphonic acid and acetoacet-o-chloroanilide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.