Patent · US Expired

Phenyl ketone derivatives

US4739052A · kind A · utility

9Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 1985
Grant dateApr 19, 1988
Priority date
Expiry dateOct 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.