High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigments
US7279514B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2003 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Jul 8, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to high-molecular-weight polymeric material comprising at least one diketopyrrolopyrrole pigment of formula (1) wherein R1, is hydrogen, chlorine, methyl, methoxy, CF3 or CN, R2 is hydrogen, chlorine, methyl, methoxy, CF3 or CN, A is hydrogen, chlorine, methyl, mehtoxy, CF3, CN, unsubstituted or substituted phenyl or a radical of formula (2), (2a) or (2b), wherein R5 is hydrogen, chlorine, methyl, methoxy, nitro, CF3 or CN and R6 is hydrogen, chlorine, methyl, methoxy, nitro, CF3 or CN, or R5 and R6 together with the phenyl ring to which they are bonded form an aryl or a heteroaryl and A1 is a radical of formula (2), (2a) or (2b), to the preparation of that material and to the use thereof in colour filters, and to novel diketopyrrolopyrrole pigments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.