Black peryene-3,4,9,10-tetracarboxylic diimides, their preparation and use
US5319083A · kind A · utility
7Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1992 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Dec 16, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/037
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to perylene-3,4,9,10-tetracarboxylic diimides of the formula (I) ##STR1## in which R is a 3'- and/or 4'-methoxybenzyl radical, and their preparation and use as black pigments, inter alia in paint preparations, printing inks or for the dyeing of polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.