Thiazole derivatives
CA 1328867 C · Owner: Wilson, John Robert Howe · Inventors: Wilson, John Robert Howe; Haddock, Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides thiazole derivatives of general formula I;, (I), or an acid-addition salt or metal salt complex thereof, in which R represents an optionally substituted aryl group; R1 represents a hydrogen atom or an optionally substituted alkyl, alkenyl or alkynyl group; R2 represents a hydrogen or halogen atom or an alkyl, haloalkyl, alkoxy, haloalkoxy alkylthio, hydroxyl, cyano, nitro, amino alkylamino, dialkylamino or morpholine group; X represents an oxygen or sulphur atom, a carbonyl group or a group -CR4R5- where R4 and R5 independently represent a hydrogen atom or an alkoxy group; Y represents an oxygen or sulphur atom; n represents an integer from 0 to 6; m is 0 or 1; and Z …
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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 April 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 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.