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Expired Canadian patentCanada

Method for increasing soya production

CA 1208928 A · Owner: Akademie Der Wissenschaften Der Ddr · Inventors: Sembdner, Guenther; Dathe, Wilfried; Castro Lara, Sarah A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

To increase the yield in soybeans a composition, is provided to reduce the high abscission rates of blooms and young fruit. According to the invention the composition contains Gibberellin acid (GA3) and/or jasmonic acid in suitable formulations. The compositions are applied to the soybean plants prior to, during and after the start of blooming. The significance of the invention lies primarily in the fact that with the help of the composition according to the invention the seed yield can be increased without any reduction in the length of the shoots.

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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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2003.
  • 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 11, 1983
GrantedAugust 5, 1986
Term endedAugust 5, 2003
Patent numberCA 1208928 A
Classification (IPC)A01N43/12

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedOct 11, 1983Patent grantedAug 5, 1986Term endedAug 5, 2003

Sources & verification

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