Monoazo colorants for mass-colouring of polymers
US8013045B2 · kind B2 · utility
1Cited by
7References
20Claims
0Family size
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Key dates
| Filing date | Jun 24, 2009 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Aug 7, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0091
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for mass-coloring high molecular weight material, in which process a compound of formulaor a tautomer thereof,wherein The colorations obtained have good light stability and thermal stability, especially in polyolefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.