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Expired Canadian patentCanada

Formulation comprising 1-triacontanol and its use as plant growth regulator

CA 1137775 A · Owner: Biochemical Research Corporation · Inventors: Welebir, Andrew J.

CIPO record

Overview

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

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Abstract From the Canadian patent

A plant growth stimulator formulation comprises water and concentrate solution dissolved therein. The concentrate solution comprises an effective plant growth stimulating amount of 1-triacontanol dissolved in a polar organic solvent. The organic solvent may usefully be acetone. The plant may be selected from the group consisting of sweet corn field corn, sugar cane, tomatoes, cucumbers and beans. The composition of the invention is useful in stimulating the growth of living plants.

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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 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 29, 1979
GrantedDecember 21, 1982
Term endedDecember 21, 1999
Patent numberCA 1137775 A
Classification (IPC)A01N31/02 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedAug 29, 1979Patent grantedDec 21, 1982Term endedDec 21, 1999

Sources & verification

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