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Details for Patent: 5,338,874

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Summary for Patent: 5,338,874

Title: Cis oxalato (trans 1-1,2-cyclohexanediamine) PT(II) having optically high purity
Abstract:Disclosed herein is cis-oxalato (trans-1-1,2-cyclohexanediamine) Pt(II) optically high purity. Because of its complete optical purity, the compound is effective as raw material of such a medicine as a carcinostatic agent. The complete optical purity of the above compound may be proved by comparing the respective melting points of the cis-oxalato (trans-1-1,2-cyclohexanediamine).
Inventor(s): Nakanishi; Chihiro (Kanagawa, JP), Ohnishi; Yuko (Kanagawa, JP), Ohnishi; Junji (Kanagawa, JP), Taniuchi; Junichi (Kanagawa, JP), Okamoto; Koji (Kanagawa, JP), Tozawa; Takeshi (Kanagawa, JP)
Assignee: Tanaka Kikinzoku Kogyo K.K. (JP)
Application Number:08/043,901
Patent Claim Types:
see list of patent claims
Compound;
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Foreign Priority and PCT Information for Patent: 5,338,874

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan5-019508Jan 12, 1993

International Patent Family for Patent: 5,338,874

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany69322992<disabled in preview>
European Patent Office0567438<disabled in preview>
Spain2125320<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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