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Serving leading biopharmaceutical companies globally:

Queensland Health
Farmers Insurance
Federal Trade Commission
Express Scripts
US Army
Fish and Richardson
Chinese Patent Office

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,443,432

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Summary for Patent: 4,443,432

Title: Ophthmalic irrigating solution
Abstract:An ophthalmic irrigating solution useful for irrigating the human eye contains sodium, potassium, magnesium, calcium, chloride, and bicarbonate ions as well as dextrose and glutathione in proportions consistent with the osmotic stability and continued metabolism of the endothelial cells. The irrigating solution is prepared by mixing a first basic solution which provides the bicarbonate and a second acidic solution which provides the calcium, magnesium, dextrose and glutathione. The first and second solutions may be stored as stable, sterile solutions for extended periods of time and mixed within 24 hours of use.
Inventor(s): Garabedian; Michael E. (Arlington, TX), Roehrs; Robert E. (Fort Worth, TX)
Assignee: Alcon Laboratories, Inc. (Forth Worth, TX)
Application Number:06/308,386
Patent Claim Types:
see list of patent claims
Use; Formulation;

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International Patent Family for Patent: 4,443,432

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia8853282► Subscribe
Canada1187799► Subscribe
Germany3275975► Subscribe
Denmark441782► Subscribe
Denmark159099► Subscribe
European Patent Office0076658► SubscribeSPC/GB93/155 200210United Kingdom► Subscribe
Australia559887► Subscribe
Austria26398► Subscribe
Argentina228986► Subscribe
Ireland822327► Subscribe
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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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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Argus Health
US Army

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