Organogermanium compounds and process for producing the same
CA 1322761 C · Owner: Asai Germanium Research Institute Co. Ltd. · Inventors: Kakimoto, Norihiro; Nakamura, Kunie; Yoshihara, Toru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are organogermanium compound of the formulae, and , (1,2) (3,4-O,S), (wherein X is halogen R is hydrogen, lower alkyl or phenyl, R1 is -NHCOCH3 or -NH2.HY, R2 is -NHCOCH3 or -NH2 and Z is O or S). The compounds (3,4-O,S), particularly when R2 is -NH2 has an ability, to suppress the formation of Amadori rearrangement product and are useful as a therapeutic agent.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.