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Expired Canadian patentCanada

Triorganotin compounds and method of combating fungi and mites using same

CA 1051443 A · Owner: M And T Chemicals Inc. · Inventors: Gitlitz, Melvin H.

CIPO record

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Abstract From the Canadian patent

Tri-2-norbornyltin compounds of the general formulae, SnX and 2Y, effectively combat fungi and mites when applied to objects particularly plants, that are susceptible to attack by these organisms. The present compounds are particularly advantageous in that they are non-phytotoxic and therefore will not damage plants to which they are applied. In the foregoing formulae each R1 is individually selected from hydrogen and lower alkyl radicals, X is a chlorine, bromine fluorine, hydroxyl, carboxylate, phenoxy alkoxy (-OR2) or mercaptide, (-SR2) radical wherein R2 represents an alkyl or aryl radical containing between 1 and 12 carbon atoms inclusive and Y is, an oxygen, sulfur, or a sulfate …

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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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 27, 1979
Term endedMarch 27, 1996
Patent numberCA 1051443 A
Classification (IPC)C07F7/22 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 27, 1979Term endedMarch 27, 1996

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.