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Details for Patent: 5,290,961

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Summary for Patent: 5,290,961

Title: Platinum compound and process of preparing same
Abstract:Disclosed herein are a platinum compound employed as raw material of medicines having carcinostatic effects, and a process of preparing the platinum compound. The platinum compound (I) substantially free from impurities can be prepared through a reaction between the corresponding dihalogen compound and an organic dibasic acid employing an iodine compound utilizing the difference of solubilities between the desired compound and the iodine compounds.
Inventor(s): Okamoto; Koji (Kanagawa, JP), Hoshi; Yuko (Kanagawa, JP), Nakanishi; Chihiro (Kanagawa, JP)
Assignee: Tanaka Kikinzoku Kogyo K.K. (JP)
Application Number:08/003,306
Patent Claim Types:
see list of patent claims
Compound; Process;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: 5,290,961

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan4-23219Jan 13, 1992

International Patent Family for Patent: 5,290,961

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
JapanH05194332Aug 03, 1993
Germany69331046Dec 06, 2001
JapanH0776230Aug 16, 1995
European Patent Office0617043Sep 28, 1994
European Patent Office0617043Oct 31, 2001
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Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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