Process for the mass coloration of polymers
US4524168A · kind A · utility
14Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1982 |
| Grant date | Jun 18, 1985 |
| Priority date | — |
| Expiry date | Nov 8, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B43/132
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein the symbols D is the radical of a carbocyclic or heterocyclic diazo component, X is hydrogen, halogen, methyl or methoxy, each of A.sub.1 and A.sub.2 independently of the other is unsubstituted phenyl or phenyl which is substituted by halogen, C.sub.1 -C.sub.4 alkyl, methoxy, ethoxy, phenyl or phenoxy, are suitable for the mass coloration of organic polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.