Patent · US Expired

Bis(pentaerythritol phosphate alcohol) hydrogen phosphonate

US5420326A · kind A · utility

4Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 12, 1994
Grant dateMay 30, 1995
Priority date
Expiry dateMay 12, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/5317
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Bis(pentaerythritol phosphate alcohol) hydrogen phosphonate is a flame retardant compound. Such a compound can be prepared by the transesterification of a diphenyl phosphite with pentaerythritol phosphate alcohol.

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