Patent · US Active

Method for producing biodegradable polyoxyalkylene derivative

US8557929B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

NOF CORPORATION · JP

Inventors

Kazuhiro Kubo · Shizuoka, JP
Shigeru Kitano · Nara, JP
Chika Ito · Kawasaki, JP

Key dates

Filing date	Sep 28, 2007
Grant date	Oct 15, 2013
Priority date	—
Expiry date	May 26, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/05
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method for producing a biodegradable polyoxyalkylene derivative, includes: reacting a biodegradable polyoxyalkylene compound represented by the formula (1) as defined herein with a compound represented by one of the formulae (I) to (IV) as defined herein in a presence of an alkaline solid salt, the biodegradable polyoxyalkylene derivative being represented by the formula (2) as defined herein.

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