Expired Canadian patentCanada
Method for inhibiting post-surgical adhesion formation by the topical administration of tissue plasminogen activator
CA 1297791 C · Owner: Dizerega, Gere Stodder · Inventors: Sheffield, Warren Douglas; Dizerega, Gere Stodder
Overview
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Postsurgical adhesion formation is inhibited by the topical administration to the site of surgical trauma of tissue plasminogen activator.
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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 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.
FiledDecember 15, 1986
GrantedMarch 24, 1992
Term endedMarch 24, 2009
Patent numberCA 1297791 C
Classification (IPC)A61K38/49 +1 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.