Phenyl ketone derivatives
US4739052A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1985 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Oct 2, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/031
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula I, II or III ##STR1## in which Ar and Ar' are an oxygen-containing aromatic radical, R.sup.1 and R.sup.2 are a monovalent hydrocarbon radical which is substituted or unsubstituted, or R.sup.1 and R.sup.2 together form alkylene, oxaalkylene or azaalkylene, R.sup.3 is a direct bond or a divalent hydrocarbon radical, X and X' are a monovalent amino group and Y is a divalent amino or diamino group, are excellent photoinitiators for the photocuring of colored, especially pigmented, compositions containing an olefinically unsaturated, photopolymerizable binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.