Polymerizable diketopyrrolopyrroles and polymers prepared therewith
US6048918A · kind A · utility
8Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B69/109
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
1,4-Diketopyrrolopyrroles of the formula ##STR1## in which A and B independently of one another are a group of the formula ##STR2## R.sub.1 is a long-chain radical containing a reactive group capable of polymerization, and PA1 R.sub.2 is C.sub.1 -C.sub.6 alkyl, ##STR3## or R.sub.1. For the definition of the radicals R.sub.3 -R.sub.9, refer to claim 1. The novel diketopyrrolopyrroles are suitable for preparing colored polymers with unexpectedly advantageous color effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.