Patent · US Active

Phosphorous-containing flame retardants for polyurethane foams

US9023925B2 · kind B2 · utility

2Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2012
Grant dateMay 5, 2015
Priority date—
Expiry dateMar 22, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2110/0008
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Embodiments of the invention include a phosphorus containing flame retardant which may be the reaction product of a reaction mixture where the reaction mixture includes at least one active hydrogen-containing compound and at least one phosphorus containing compound. The at least one active hydrogen-containing compound is selected from the group of a first polyol having a hydroxyl functionality of at least 3, a polyamine having an amine functionality of at least 2, and an amino alcohol having a combined amine and hydroxyl functionality of at least 2. The at least one phosphorus containing compound has the general formula (1), (2) or combination thereof:

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