Crosslinked glycosaminoglycans and their use

Patent 4863907 Issued on September 5, 1989. Estimated Expiration Date:

September 5, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3507851

3829412

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Inventors

Assignee

Seikagaku Kogyo Co., Ltd.

Application

No. 06/748729 filed on 06/25/1985

US Classes:

514/56, Heparin or derivative514/54, Polysaccharide536/1.11, Carbohydrates or derivatives536/123.13, Disaccharides (e.g., maltose, sucrose, lactose, formaldehyde lactose, etc.)536/18.7, Nitrogen containing536/21, Heparin or derivative536/4.1, O- or S- Glycosides536/55.2Glucosamine containing

Examiners

Primary: Brown, Johnnie R.
Assistant: Peselev, Elli

Attorney, Agent or Firm

Frishauf, Holtz, Goodman & Woodward

International Classes

A61K 8/73 (20060101)
A61K 8/72 (20060101)
A61K 9/70 (20060101)
A61L 31/04 (20060101)
C08B 37/00 (20060101)
C08B 37/08 (20060101)
C08B 37/10 (20060101)
C08L 5/08 (20060101)
C08L 5/00 (20060101)

Foreign Application Priority Data

1984-06-29 JP

Abstract

Crosslinked glycosaminoglycans or salts thereof prepared by crosslinking glycosaminoglycan or salts thereof with a polyfunctional epoxy compound wherein a crosslinking index is 0.005 or more per 1 mole of repeating disaccharides in glycosaminoglycan, and having various medical and cosmetic uses.