Expired Canadian patentCanada
Thiazol-2-yl-oxamic acid derivatives, their preparation and therapeutic agents containing these compounds
CA 1180705 A · Owner: Basf Aktiengesellschaft · Inventors: Neumann, Peter; Lenke, Dieter; Seybold, Guenther
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 2-substituted thiazol-2-yl-oxamic acid esters, processes for their preparation, and therapeutic agents which contain these compounds and are useful in the treatment of allergic disorders.
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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 January 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 14, 1981
GrantedJanuary 8, 1985
Term endedJanuary 8, 2002
Patent numberCA 1180705 A
Classification (IPC)C07D277/46 +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.