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Expired Canadian patentCanada

Production of microbial field crop inoculants

CA 1316859 C · Owner: Agracetus · Inventors: Graham-Weiss, Lori L.; Mccabe, Dennis E.; Martinell, Brian J.

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

Abstract of the Disclosure, A method is disclosed for producing quantities of microbial inoculants for agricultural uses which involves preparing a medium of ground vemiculite a nutrient and, water. Wheat flour is disclosed as a preferred nutrient for fungal cultures. The medium is placed in containers sterilized and inoculated with a microbial culture which grows out in the containers. The resulting product can be used moist or air-dried for ease in handling and storage. If the product is to be used moist plastic bags may be, used as the containers so that fermentation formulation, and packaging can all be handled in one step.

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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 1, 1986
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316859 C
Classification (IPC)C12N1/20 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 1, 1986Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

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