Patent · US Active

Diaryl alkylphosphonates and method for preparing same

US7569717B2 · kind B2 · utility

0Cited by

38References

25Claims

0Family size

Assignee

FRX Polymers, Inc. · US

Inventor

Dieter Freitag · Krefeld, DE

Key dates

Filing date	Jul 18, 2006
Grant date	Aug 4, 2009
Priority date	—
Expiry date	Feb 23, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/4084
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of making optionally substituted diaryl alkylphosphonates from an optionally substituted arylol, an optionally substituted alkanol, and a phosphorous trihalide is described.

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