Patent · US Expired

Protected phosphine oxides

US5414133A · kind A · utility

2Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 1994
Grant dateMay 9, 1995
Priority date
Expiry dateJan 10, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Protected phosphine oxides of formula X are useful intermediates for the preparation of tertiary phosphine oxides and acylphosphine oxide photoinitiators. ##STR1##

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