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Generated: June 28, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,462,983

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Summary for Patent: 4,462,983

Title: Certain ergot peptide alkaloids administered to the nasal mucosa
Abstract:The present invention provides a nasal or pulmonary pharmaceutical composition comprising as active agent a compound of formula I, ##STR1## wherein R.sub.1 is hydrogen or halogen, R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms, either (i) R.sub.3 is isopropyl, sec-butyl, or isobutyl, R.sub.4 methyl, ethyl or isopropyl and R.sub.5 is hydrogen and R.sub.6 is hydrogen or methoxy or R.sub.5 and R.sub.6 are together a single bond, or (ii) R.sub.3 is benzyl, R.sub.4 is methyl, R.sub.5 is hydrogen and R.sub.6 is hydrogen or methoxy, or (III) dihydroergocristine, in association with a pharmaceutically acceptable carrier or diluent, adapted for nasal or pulmonary administration.
Inventor(s): Azria; Moise (Paris, FR), Cavanak; Thomas (Oberwil, CH)
Assignee: Sandoz Ltd. (Basel, CH)
Application Number:06/328,680
Patent Claim Types:
see list of patent claims
Use; Formulation;

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Foreign Priority and PCT Information for Patent: 4,462,983

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland14575/76Nov 19, 1976
Switzerland6989/77Jun 07, 1977

International Patent Family for Patent: 4,462,983

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany2750090► Subscribe
Cyprus1266► Subscribe
Germany2802113► Subscribe
Denmark499477► Subscribe
Denmark153440► 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 500+ biopharmaceutical companies globally:

Merck
Federal Trade Commission
Fish and Richardson
Boehringer Ingelheim
Johnson and Johnson
QuintilesIMS
Novartis
Fuji
Chubb
McKesson

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