Perylenetetracarboxylic acid diimides containing long-chain alkanoylamino radicals
US5280121A · kind A · utility
2Cited by
6References
1Claims
0Family size
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Key dates
| Filing date | Jun 30, 1992 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Jun 30, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B5/62
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula ##STR1## wherein R is C.sub.7 -C.sub.21 alkyl, C.sub.4 -C.sub.18 alkenyl, C.sub.5 -C.sub.12 cycloalkyl or C.sub.5 -C.sub.6 cycloalkyl-substituted C.sub.1 -C.sub.4 alkyl, PA0 R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, chloro, bromo, methyl or methoxy, PA0 Z is a direct bond or --O--, --S--, --NH--, --CO--, --SO.sub.2 -- or --NHCO--, and PA0 n is 0 or 1. These compounds have excellent suitability as pigments for coloring organic material of high molecular weight, especially polyvinyl chloride, polyolefins and paints.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.