Dyestuffs and their use for mass-coloration of plastics
US5342444A · kind A · utility
10Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1992 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Jul 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3445
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Plastics are colored with at least one dyestuff of the following formula (I) ##STR1## in which the substituents have the meaning given in the description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.