Drug delivery system for controlled ocular therapy
Patent 4281654 Issued on August 4, 1981. Estimated Expiration Date: 
April 7, 2000. 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.
April 7, 2000. 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.Patent References 3618604 3845201 Ocular insert Osmotic bursting drug delivery device Patent #: 4177256 InventorsAssigneeApplicationNo. 06/138150 filed on 04/07/1980US Classes:424/427OcularExaminersPrimary: Rosenbaum, C. FredAttorney, Agent or FirmInternational ClassesA61K 9/00 (20060101)A61F 9/00 (20060101) AbstractA drug delivery system is disclosed useful for controlled ocular therapy. The system is manufactured as an ocular insert, and it comprises a beta-adrenergic blocking osmotic solute and a parasympathomimetic osmotic solute dispersed in a polymer with the solutes surrounded by the polymer. The system, when placed in the eye, delivers both drugs at a controlled rate over time. A method also is disclosed for the management of intraocular pressure using the ocular system. | |
