Patent · US Expired

Polyalkylene oxide-modified phospholipid and production method thereof

US6679822B2 · kind B2 · utility

5Cited by

1References

36Claims

0Family size

Assignee

NOF CORPORATION · JP

Inventors

Kazuhiro Kubo · Shizuoka, JP
Chika Itoh · Yokohama, JP
Syunsuke Ohhashi · Yokohama, JP
Tohru Yasukohchi · Kawasaki, JP

Key dates

Filing date	Mar 4, 2002
Grant date	Jan 20, 2004
Priority date	—
Expiry date	Jul 24, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/3356
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A polyalkylene oxide-modified phospholipid represented by formula (1) defined in the specification, has a monoacyl phospholipid content of not more than 3% by weight and a content of a base having a nitrogen atom of not more than 0.02% by weight.

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