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Expired Canadian patentCanada

Process for the production of a-glycero-phosphate oxidase

CA 1095447 A · Owner: Eastman Kodak Company · Inventors: Goodhue, Charles T.; Masurekar, Prakash S.

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

PROCESS FOR THE PRODUCTION OF .alpha.-GLYCEROPHOSPHATE OXIDASE ABSTRACT OF THE DISCLOSURE, An improved process for producing .alpha.-glycerophosphate oxidase is provided by growing a member of the family Lactobacillaciae in a medium comprising pyruvate and an inducer for .alpha.-glycerophosphate oxidase and extracting the .alpha.-glycerophosphate oxidase.

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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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
  • 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 2, 1977
GrantedFebruary 10, 1981
Term endedFebruary 10, 1998
Patent numberCA 1095447 A
Classification (IPC)C12P21/00 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedDec 2, 1977Patent grantedFeb 10, 1981Term endedFeb 10, 1998

Sources & verification

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