Benzothiophenes having antiallergic activity and both novel and other selected benzothiophenes having activity for treating acute respiratory distress syndrome
CA 1330562 C · Owner: Sorenson, Roderick Joseph · Inventors: Sorenson, Roderick Joseph; Connor, David Thomas; Thueson, David Orel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel benzothiophenes having antiallergic activity and both novel and other selected benzothiophenes having activity for treating acute respiratory distress syndrome. The benzothiophenes of the present invention are particularly 2-tetrazolylcarboxamides of the benzothiophenes.
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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 July 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
- 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.