Molecular complex compounds of acylphosphine oxide and .alpha.-hydroxy ketones as photoinitiators
US5942290A · kind A · utility
38Cited by
8References
17Claims
0Family size
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Key dates
| Filing date | Aug 21, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Aug 21, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/029
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Molecular complex compounds comprising a mono-, bis- or trisacylphosphine oxide compound with an .alpha.-hydroxy ketone compound are suitable as photoinitiators for the photopolymerization of free-radically polymerizable compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.