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Details for Patent: 5,296,504

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Summary for Patent: 5,296,504

Title: Prostaglandin derivatives for the treatment of glaucoma or ocular hypertension
Abstract:The invention relates to ophthalmological compositions for topical treatment of glaucoma or ocular hypertension comprising an effective intraocular pressure reducing amount of a prostaglandin derivative of PGA, PGB, PGD, PGE or PGF, in which the omega chain contains a ring structure, in an ophthalmologically compatible carrier. The invention further relates to the preparation of said compositions and their use for treatment of glaucoma or ocular hypertension.
Inventor(s): Stjernschantz; Johan W. (Uppsala, SE), Resul; Bahram (Uppsala, SE)
Assignee: Kabi Pharmacia (SE)
Application Number:07/987,520
Patent Claim Types:
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Use; Composition; Formulation;

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Foreign Priority and PCT Information for Patent: 5,296,504

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden8803110Sep 06, 1988
Sweden8803855Oct 28, 1988

International Patent Family for Patent: 5,296,504

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office1224935<disabled in preview>
European Patent Office1225168<disabled in preview>91541Luxembourg<disabled>
European Patent Office1300149<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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