Patent · US Expired

2,4-bis-(2,6-di-t-alkyl-4-substituted-phenoxy)-1 ,3,2,4-dioxadiphosphetanes

US4590017A · kind A · utility

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1References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 1985
Grant dateMay 20, 1986
Priority date—
Expiry dateFeb 19, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/6571
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

2,4-bis(2,6-di-t-alkyl-4-substituted-phenoxy)-1,3,2,4-dioxadiphosphetanes are prepared from 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes.

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