Bifunctional photoinitiators suitable for photopolymerization and photopolymerizable systems containing the same
US6492514B1 · kind B1 · utility
5Cited by
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6Claims
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Key dates
| Filing date | May 16, 2001 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | May 16, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/101
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compounds of general formula (I) whereinX1 and X2 are different form each other and have the meanings reported in the following descriptionY is a simple bond, C1-C12 linear or branched alkyl groups, —O—, —S—, >S═O, >SO2, NR17—, wherein R17 is H, C1-C12 linear or branched alkyl groups, COR1, and photopolymerisable formulations containing as photoinitiators the aforementioned compounds of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.