Anthracycline compounds and uses thereof
CA 1292225 C · Owner: Tatsuta, Kuniaki · Inventors: Nakajima, Shohachi; Odagawa, Atsuo; Kawai, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a novel anthracycline compound of the following formula (I):, wherein Rl and R2 are each a hydroxyl group or a hydrogen atom and satisfy the condition that, when R2 is a hydroxyl group, Rl is a hydroxyl group or a hydrogen atom, whereas, when R2 is a hydrogen atom Rl is a, hydrogen atom, or an acid addition salt thereof. These compounds can be contained as active ingredients in antitumor agents, whereby good results are attainable.
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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.