Amino-thiazole and oxazole derivatives
CA 1294965 C · Owner: Gibson, Samuel George · Inventors: Gibson, Samuel George; Rae, Duncan Robertson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to new amino-thiazole and aminooxazole derivatives of the general formula: I, wherein:, R represents hydrogen, a lower alkyl group with 1 to 4 carbon atoms a lower alkenyl group, a phenyl-alkyl (1-4 C) furanyl-alkyl, (1-4 C) or thienyl-alkyl (1-4 C) group; X represents sulphur or oxygen;, R1 and R2 represent hydrogen or alkyl (1-4 C) and, the dotted line represents an optional extra bond as well as pharmaceutically acceptable acid addition salts thereof having potent dopamine-agonist activity.
Read the whole patent
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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 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.
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.