Patent · US Active

Poly(block-phosphonato-ester) and poly(block-phosphonato-carbonate) and methods of making same

US7645850B2 · kind B2 · utility

21Cited by

70References

49Claims

0Family size

Assignee

FRX Polymers, Inc. · US

Inventor

Dieter Freitag · Krefeld, DE

Key dates

Filing date	Aug 10, 2006
Grant date	Jan 12, 2010
Priority date	—
Expiry date	May 23, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2385/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Compositions including poly(block-phophonato-esters) or poly(block-phosphonato-carbonate) and a process for making them from oligomeric phosphonates and/or polyphosphonates and polyester and/or polycarbonates are disclosed. The compositions provide tough flame retardant materials and coatings.

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