Tin compounds
CA 1181410 A · Owner: Novartis Pharmaceuticals Canada Inc./Novartis Pharma Canada Inc. · Inventors: Wehner, Wolfgang; Kostler, Hans-Gunter; Farooq, Saleem
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to organo-tin ammonium salts or the formula, (I), wherein each of R1, R2 and R3 is hydrogen or the same or different alkyl of up to 20 carbon atoms;, R4 is epoxyalkyl haloalkyl or halohydroxyalkyl, each containing up to 6 carbon atoms;, R5 is alkyl of up to 6 carbon atoms cyclohexyl or phenyl;, each of R6 and R7 independently of the other is either the same as R5 or the same as X1 as hereinafter defined; X1 is chloro or bromo; and, X2, X3 and X4 are either all chloro or all bromo. A process for the production of these compounds and their use in pest control are also described.
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 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.
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.