Patent · US Active

Monohydroxy cyclic phosphonate substantially free of polyhydroxy phosphonate, process for making same and flame retardant flexible polyurethane foam obtained therefrom

US8921439B2 · kind B2 · utility

1Cited by
25References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 2011
Grant dateDec 30, 2014
Priority date—
Expiry dateSep 19, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/657181
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A monohydroxy cyclic phosphonate substantially free of polyhydroxy phosphonate is employed as a reactive flame retardant in flexible polyurethane.

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