Rodenticidal bistrifluoromethyl phenylpropargylamine derivatives
CA 1280420 C · Owner: May & Baker Limited · Inventors: Hatton, Leslie R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
NEW PHENYLPROPARGYLAMINE DERIVATIVES" Compounds of the formula:, (I), wherein R represents hydroxymethyl alkoxymethyl of 2, to 6 carbon atoms, optionally substituted phenoxymethyl, alkanoyloxymethyl of 3 to 10 carbon atoms, optionally substituted benzoyloxymethyl alkylsulphonyloxymethyl of 2 to 9 carbon atoms optionally substituted phenylsulphonyloxymethyl formyl, aminomethyl optionally substituted by 1 or 2 alkyl groups of 1 to 4 carbon atoms, or hydroxyiminomethyl, and acid addition salts thereof are useful as rodenticides.
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 February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2008.
- 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.