Matrix metalloprotease inhibitors
CA 2193178 C · Owner: Campbell, Jeffrey Allen · Inventors: Broka, Chris Allen; Fisher, Lawrence Emerson; Bender, Steven Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula:, (see fig. I) I wherein:, n is 0, 1 or 2;, Y is hydroxy or XONHwhere X is hydrogen or lower alkyl;, R1 is hydrogen or lower alkyl; R2 is hydrogen, lower alkyl, heteroalkyl aryl, aralkyl, arylheteroalkyl, cycloalkyl cycloalkylalkyl, heteroaryl, heteroaralkyl heteroarylheteroalkyl, heterocyclo, heterocylo-lower alkyl heterocyclo-lower heteroalkyl or, -NR6R7 wherein:, R6 is hydrogen, lower alkyl, cycloalkyl or cycloalkylalkyl, aryl, heteroaryl and heteroaralkyl; R7 is hydrogen, lower alkyl, cycloalkyl or cycloalkylalkyl, aryl, aralkyl, heteroaryl heteroaralkyl, -C(O)R8, -C(O)NR8R9, -SO2NR8R9 -SO2R10, aryloxycarbonyl, or alkoxycarbonyl; or R6 and R7 together with the …
Read the whole patent
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
- Filed December 17, 1996 and granted November 6, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 17, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2018.
- 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.