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Canadian application, no grantCanada

Gene coding for esterase and novel microorganism containing said gene

CA 2083633 A1 · Owner: Akatsuka, Hiroyuki · Inventors: Akatsuka, Hiroyuki; Komatsubara, Saburo; Omori, Kenji

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 gene encoding an esterase originated from a microorganism of the genus Serratia, a mutant strain having high esterase productivity containing said gene a recombinant, plasmid comprising said gene inserted into a vector plasmid a novel microorganism transformed with said recombinant plasmid, and a method for the production of an esterase which comprises cultivating the mutant strain or the novel microorganism as set forth above in a medium and collecting the produced esterase outside and inside the cells. Said mutant strain having high esterase productivity and new transformed microorganism have excellent esterase productivity and can produce the desired …

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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

  • Filed November 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2014.
  • 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 24, 1992
GrantedNo grant recorded
Term endedNovember 24, 2012
Patent numberCA 2083633 A1
Classification (IPC)C12N15/55 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedNov 24, 1992Term endedNov 24, 2012

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