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Generated: August 21, 2017

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Title: Polypeptide compound and a process for preparation thereof
Abstract:A polypeptide compound having antimicrobial activity of the following general formula: ##STR1## wherein R.sup.1 is hydrogen or acyl group, R.sup.2 is hydroxy or acyloxy, R.sup.3 is hydroxysulfonyloxy, and R.sup.4 is hydrogen or carbamoyl, with proviso that R.sup.1 is not palmitoyl, when R.sup.2 is hydroxy, R.sup.3 is hydroxysulfonyloxy and R.sup.4 is carbamoyl, and a pharmaceutically acceptable salt thereof.
Inventor(s): Iwamoto; Toshiro (Tsukuba, JP), Fujie; Akihiko (Tsuchiura, JP), Nitta; Kumiko (Tsuchiura, JP), Tsurumi; Yasuhisa (Tsukuba, JP), Shigematsu; Nobuharu (Tsukuba, JP), Kasahara; Chiyoshi (Ikeda, JP), Hino; Motohiro (Tsuchiura, JP), Okuhara; Masakuni (Tsukuba, JP), Sakane; Kazuo (Kawanishi, JP), Kawabata; Kohji (Kawanishi, JP), Ohki; Hidenori (Ikeda, JP)
Assignee: Fujisawa Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:07/715,961
Patent Claim Types:
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Compound; Composition;

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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9013558Jun 18, 1990
United Kingdom9023666Oct 31, 1990
United Kingdom9101552Jan 24, 1991

International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
United Kingdom9013558► Subscribe
Canada2044746► Subscribe
China1059729► Subscribe
China1040541► Subscribe
China1051757► 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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