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Expired Canadian patentCanada

Diagnostic agent for heart disease and use thereof

CA 1252714 A · Owner: Yamasa Shoyu Kabushiki Kaisha · Inventors: Yazaki, Yoshio; Sugi, Masahito

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

A diagnostic agent for heart disease comprising a radiolabeled monoclonal antibody having specificity to cardiac myosin heavy chain or its active fragment is disclosed. The diagnostic agent is useful for topographic diagnosis of heart disease such as myocardial infarction and myocardial disease by imaging.

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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 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 27, 1985
GrantedApril 18, 1989
Term endedApril 18, 2006
Patent numberCA 1252714 A
Classification (IPC)G01N33/68 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedMarch 27, 1985Patent grantedApril 18, 1989Term endedApril 18, 2006

Sources & verification

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