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Expired Canadian patentCanada

Process for culturing fungi in vitro from vesicular- arbuscular mycorrhizae

CA 1266842 C · Owner: Strullu, Desire-Georges · Inventors: Strullu, Desire-Georges; Romand, Corinne

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Abstract From the Canadian patent

Inventors: Désiré-Georges STRULLU Corinne ROMAND, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) ABSTRACT, The invention relates to a process for culturing in vitro in an axenic condition fungi of the type Endogonaceae, especially of the genus Glomus which process, consists in removing vesicular-arbuscular mycorrhizae cleaning them and sterilizing them, and then placing the mycorrhizae in culture on a sterile agar nutrient medium provided with mineral elements, vitamins especially of the, 3 group, and sugar. The invention also concerns the production of mycelium and mycorrhizae from mycorrhizae obtained under sterile conditions. The product of the invention is useful for fertilizing …

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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 March 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 23, 1985
GrantedMarch 20, 1990
Term endedMarch 20, 2007
Patent numberCA 1266842 C
Classification (IPC)A01G7/00 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJuly 23, 1985Patent grantedMarch 20, 1990Term endedMarch 20, 2007

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