Patent · US Expired

Process for purifying tertiary organophosphites

US4835299A · kind A · utility

46Cited by
19References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateMar 31, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/6578
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for purifying tertiary organophosphites by removing secondary organophosphites therefrom.

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