Promoting agents of the activity of some antitumor agents against various kinds of tumor cells including multiple drug resistant tumor cells andtheir synthetic methods
CA 1309717 C · Owner: Inaba, Makoto · Inventors: Iinuma, Fujio; Inaba, Makoto; Shinoda, Hirotaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the invention:, Promoting agents of the activity of some antitumor agents against various kinds of tumor cells including multiple drug resistant tumor cells and their synthetic methods. Abstract of the invention : This invention relates to new and useful 2,6-dimethyl-4- (pyrazolo1,5-apyridin-3-yl)-1,4-dihydropyridine-3,5-dicarboxylate derivatives of the following formula; and pharmaceutically acceptable salts thereof having the potent, promoting activity of some antitumor agents against various kinds of tumor cells including multiple drug resistant tumor cells.
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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 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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
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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.