Patent · US Expired

Light curable dental composition

US4923905A · kind A · utility

20Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1988
Grant dateMay 8, 1990
Priority date
Expiry dateFeb 26, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S522/908
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A light curable dental composition is provided. The composition comprises an ethylenic unsaturated compound and a light polymerization initiator. The light polymerization initiator is a combination of an .alpha.-diketone and a polyperoxy ester containing a benzophenone group and represented by the general formula (I) of: ##STR1## wherein R.sub.1 and R.sub.1 ' represent a tertiary alkyl group or a tertiary aralkyl group and R.sub.2 and R.sub.2 ' represent a hydrogen atom, a tertiary alkoxy group or a tertiary aralkyloxy group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.