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Serving leading biopharmaceutical companies globally:

Queensland Health
US Department of Justice
Cantor Fitzgerald
Chinese Patent Office

Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,065,553

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Summary for Patent: 4,065,553

Title: X-Ray contrast media
Abstract:The present invention provides new iodo benzene derivatives which have at least two benzene nuclei and one carboxylic group. These derivatives possess a low toxicity and may be used as X-ray contrast media.
Inventor(s): Tilly; Guy (Aulnay-sous-Bois, FR), Hardouin; Michel Jean Charles (Aulnay-sous-Bois, FR), Lautrou; Jean (Aulnay-sous-Bois, FR)
Assignee: Laboratoires Andre Guerbet (Aulnay-sous-Bois, FR)
Application Number:05/747,621
Patent Claim Types:
see list of patent claims
Compound; Formulation;

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Foreign Priority and PCT Information for Patent: 4,065,553

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
24169/74May 31, 1974
33900/74Jul 31, 1974

International Patent Family for Patent: 4,065,553

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina205196► Subscribe
Argentina207465► Subscribe
Austria343638► Subscribe
Austria345796► Subscribe
AustriaA409875► Subscribe
AustriaA969476► Subscribe
Australia8130175► Subscribe
Belgium829573► Subscribe
Belgium829574► Subscribe
Brazil7503406► 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:

Cantor Fitzgerald
Daiichi Sankyo

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