Ophthalmic drug delivery with thermo-irreversible gels of polxoxyalkylene polymer and ionic polysaccharide

Patent 5077033 Issued on December 31, 1991. Estimated Expiration Date:

August 7, 2010. 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

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Inventors

Assignee

Mediventures, Inc.

Application

No. 563638 filed on 08/07/1990

US Classes:

514/668, Polyether424/78.04, Ophthalmic preparation514/716, Nitrogen containing514/912, OPHTHALMIC514/913, Glaucoma514/914, Inflammation528/419Two or more heterocyclic reactants containing rings of one oxygen and two carbon atoms