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Expired Canadian patentCanada

Control of fungal diseases in the production of mushrooms

CA 1338817 C · Owner: Armstrong, Gale L. · Inventors: Armstrong, Gale L.; Dunn-Coleman, Nigel S.; Wach, Mark

CIPO record

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Abstract From the Canadian patent

A method of controlling toxic fungal diseases in mushrooms is provided which comprises adding an effective fungal-disease-inhibiting amount of a compound of the formula, to a substrate in which mushrooms are growing or are to be grown, wherein R represents -CH2OH or -CHO; n is an integer from 0 to 3; and each R1 independently represents halogen, OH, NH2, or an organic substituent containing from 1 to 10 carbon atoms and from 0 to 5 heteroatoms, wherein the total number of carbon and heteroatoms in all R1 substituents is no more than 15.

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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 December 31, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 25, 1989
GrantedDecember 31, 1996
Term endedDecember 31, 2013
Patent numberCA 1338817 C
Classification (IPC)A01N35/02

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 25, 1989Patent grantedDec 31, 1996Term endedDec 31, 2013

Sources & verification

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