Cinnoline compounds
CA 1309406 C · Owner: Resch, James Franklin · Inventors: Resch, James Franklin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ICI Am 1699-S, Abstract, Cinnoline Compounds The compounds of the invention are, cinnolines of the following formula (I): wherein, R3 is selected from a group consisting of an amide of formula CONRR9 and a ketone of formula COCRR10R11;, R4 is selected from a group consisting of -NR12R13 and OH;, R5, R6 and R7 are each independently selected from a group consisting of hydrogen (1-5C)alkyl, chloro and methoxy;, R8 is selected from a group consisting of (1-5C)alkyl, (2-4C)alkenyl, (2-5C)alkynyl (3-6C)-, cycloalkyl, (4-7C)cycloalkylalkyl phenylmethyl, and, (1-4C)hydroxyalkyl; R and R9 are each independently selected from a group consisting of hydrogen (provided that R and R9 cannot both be …
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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 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 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
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.