Hyaluronic acid derivatives

Details Hyaluronic acid derivatives Hyaluronic acid derivatives

2003-07-24

2010-02-16

Jiang, Shaojia Anna (Department: 1623)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

C514S256000, C514S263100, C536S123100, C536S124000

Reexamination Certificate

active

07662800

ABSTRACT:
Derivatives between hyaluronic acid and at least one nitrogenated base, in particular at least one heterocyclic compound derived from purine and/or from pyrimidine and cosmetic and/or pharmaceutical compositions based on said derivatives.

REFERENCES:
patent: 0 555 898 (1993-08-01), None
patent: 0 555 898 (1993-08-01), None
patent: 00/01733 (2000-01-01), None
patent: WO 00 01733 (2000-01-01), None
International Search Report.
Adenine—definition of adenine arabinoside in the Medical Dictionary, retrieved from http://medical-dictionary.thefreedictionary.com/p/adenine on Sep. 25, 2008.
Arabinose—article about arabinose from Wikipedia Encyclopedia, retrieved from http://encyclopedia.thefreedictionary.com/p/arabinose on Sep. 25, 2008.
Nucleobase—article about nucleobase from Wikipedia Encyclopedia, retrieved from http://encyclopedia.thefreedictionary.com/p
ucleobase on Sep. 25, 2008.
Ribose—article about ribose from Wikipedia Encyclopedia, retrieved from http://encyclopedia.thefreedictionary.com/p/ribose on Sep. 25, 2008.
Vidarabine—article about vidarabine from Wikipedia Encyclopedia, retrieved from http://encyclopedia.thefreedictionary.com/p/vidarabine on Sep. 25, 2008.

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