Photoinitiator mixtures
US8507726B2 · kind B2 · utility
3Cited by
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16Claims
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Key dates
| Filing date | Oct 23, 2009 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Jan 17, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/031
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Photoinitiators mixture comprising (i) at least one compound selected from the group consisting of alpha-hydroxy ketones, monoacylphosphine oxides, bisacylphosphine oxides, ketosulfones, benzil ketals, benzoin ether, phenylglyoxylates, borates and titanocenes; and (ii) at least one compound of the formula (I) or (I′) R1, R′1, R2 and R2′ R′9 independently of each other for example are hydrogen or C1-C12alkyl R7, R8, R9, R′8 and R′9 independently of each other for example are hydrogen, C1-C12alkyl which optionally is substituted or phenyl which optionally is substituted, exhibit excellent photoinitiating properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.