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Expired Canadian patentCanada

In vitro detection of gastrointestinal cancer

CA 1263598 C · Owner: Viewheights Pty Ltd · Inventors: Linnane, Anthony William

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

An in vitro diagnostic method for detecting the presence in a patient of cancer cells or other cells producing mucin antigens comprises the step of testing a sample of a physiological fluid, particularly a sample of blood, blood serum or blood plasma, taken from the patient to detect the presence of small intestine mucin antigen (SIMA) and/or large intestine mucin antigen (LIMA) in the sample. An in vitro diagnostic kit is also disclosed.

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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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 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.
FiledJune 24, 1985
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263598 C
Classification (IPC)G01N33/68 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 24, 1985Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

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