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Expired Canadian patentCanada

Method for regenerating deactivated microorganisms

CA 1322734 C · Owner: Stanley, Stephen Hall · Inventors: Stanley, Stephen Hall; Suzuki, Motoshi; Richards, Anthony O'Leary

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The present invention relates a method for reactivating or regenerating the methane oxidizability of a methaneutilizing bacteria which have partly or wholly lost its methane oxidizability by culturing said methane-utilizing bacteria in a specified condition, and further relates to a method for continuous production of oxides by bringing a methane-utilizing bacteria in contact with alkanes alkenes or cyclic compounds.

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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 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.
FiledNovember 17, 1988
GrantedOctober 5, 1993
Term endedOctober 5, 2010
Patent numberCA 1322734 C
Classification (IPC)C12N1/38 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedNov 17, 1988Patent grantedOct 5, 1993Term endedOct 5, 2010

Sources & verification

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