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Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Fish and Richardson
Johnson and Johnson

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,308,264

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Summary for Patent: 4,308,264

Title: Stabilized, dilute aqueous preparation of 1.alpha.,25-dihydroxycholecalciferol for neonatal administration
Abstract:1.alpha.,25-Dihydroxycholecalciferol, also known as 1.alpha.,25-dihydroxyvitamin D.sub.3, calcitriol or 1.alpha.,25(OH).sub.2 D.sub.3, occurs naturally in man as the active form of cholecalciferol or vitamin D.sub.3. The natural supply of vitamin D.sub.3 depends on the conversion of 7-dehydrocholesterol to vitamin D.sub.3 in the skin by ultraviolet light. Vitamin D.sub.3 is then converted to calcitriol in a two-step process in the liver and kidney before its acts on its target tissue.
Inventor(s): Conway; Nancy M. (Mundelein, IL), Krimen; Lewis I. (Lake Bluff, IL)
Assignee: Abbott Laboratories (North Chicago, IL)
Application Number:06/228,870
Patent Claim Types:
see list of patent claims
Use; Compound; Dosage form; Composition; Formulation; Process;

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International Patent Family for Patent: 4,308,264

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1174605► Subscribe
Australia7961382► Subscribe
Australia549765► Subscribe
France2498450► Subscribe
Germany3202622► Subscribe
Switzerland651208► Subscribe
United Kingdom2091556► Subscribe
Israel64798► Subscribe
JapanS57144218► Subscribe
JapanS6144845► 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:

Express Scripts

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