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Expired Canadian patentCanada

Morpholinyl silanes and use for control of plant diseases caused by fungi

CA 1300628 C · Owner: The Dow Chemical Company · Inventors: Street, Peter F.S.; Carson, Chrislyn M.; Ehr, Robert J.

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Abstract From the Canadian patent

Aryl substituted dimethylmorpholinyl silanes corresponding to the formula, (I), wherein each A independently represents halogen C1-C4, alkyl, C1-C4 alkoxy, aryloxy or halomethyl; each R independently represents C1-C4 alkyl; R1 represents an n-propylene or n-butylene group, optionally substituted with 1 or 2 methyl groups; n is the integer 0 1 or 2;, and m is an integer of from 0 to 5 inclusive. 35,835-F

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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 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.
FiledOctober 20, 1988
GrantedMay 12, 1992
Term endedMay 12, 2009
Patent numberCA 1300628 C
Classification (IPC)C07F7/10 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 20, 1988Patent grantedMay 12, 1992Term endedMay 12, 2009

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