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US 2005/0239727 A1Published application
Hyaluronic acid derivatives
AssigneeJasper Ltd. Liability Co.
InventorsDemetrio Manenti, Gaspare Aita
Life of this patent
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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.
Claims25
A derivative between hyaluronic acid and at least one heterocyclic compound derived from purine and/or from pyrimidine, said derivative being provided with at least one bond of a ionic type between said acid and said at least one heterocyclic compound.
Dependencies are inferred from the claim text.