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Serving leading biopharmaceutical companies globally:

Chinese Patent Office
Johnson and Johnson
US Army

Generated: November 19, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,977,138

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Summary for Patent: 4,977,138

Title: FR901228 substance and preparation thereof
Abstract:The invention relates to a compound having antimicrobial and antitumor activity, the compound being designated FR901228 substance of the following formula: ##STR1##
Inventor(s): Okuhara; Masakuni (Tsukuba, JP), Goto; Toshio (Tsukuba, JP), Hori; Yasuhiro (Tsukuba, JP), Fujita; Takashi (Tsuchiura, JP), Ueda; Hirotsugu (Tsukuba, JP), Shigematsu; Nobuharu (Tsukuba, JP)
Assignee: Fujisawa Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:07/375,998
Patent Claim Types:
see list of patent claims
Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,977,138

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8817743Jul 26, 1988

International Patent Family for Patent: 4,977,138

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria94561► Subscribe
Australia3829089► Subscribe
Canada1335083► Subscribe
China1040054► Subscribe
Germany68909139► Subscribe
Denmark366889► Subscribe
European Patent Office0352646► Subscribe
Spain2058411► Subscribe
Finland893359► Subscribe
United Kingdom8817743► 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:

US Army
Queensland Health
Daiichi Sankyo
Fish and Richardson
Farmers Insurance

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