Expired Canadian patentCanada
N.sup.2-arylsulfonyl-l-argininamides and the pharmaceutically acceptable salts thereof
CA 1137469 A · Owner: Mitsubishi Chemical Industries Limited · Inventors: Ohkubo, Kazuo; Tonomura, Shinji; Kikumoto, Ryoji
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
N2-arylsulfonyl-L-argininamides of the formula and th pharmaceutically acceptable salts thereof have been found to ba effective as pharmaceutical agents for the inhibition and suppression of thrombosis.
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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 December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 29, 1981
GrantedDecember 14, 1982
Term endedDecember 14, 1999
Patent numberCA 1137469 A
Classification (IPC)C07K5/06 +2 more
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.