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Expired Canadian patentCanada

Development and use of fluorescent probes of unbound analytes

CA 2556221 C · Owner: Kampf, James Patrick · Inventors: Kwan, Thomas; Kleinfeld, Alan Marc; Huber, Andrew Henry

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Abstract From the Canadian patent

A method for high throughput screening of probes is described. These probes are useful for characterization and measurement of unbound metabolites in a fluid sample, particularly characterization and measurement of levels of unbound free fatty acids. By practice of the disclosed invention a profile of , unbound metabolites can be determined for an individual which can be used to determine the individual's relative risk for disease such as stroke cardiac , disease and cancer.

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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 March 21, 2005 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 21, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 21, 2005
GrantedDecember 31, 2013
Term endedMarch 21, 2025
Patent numberCA 2556221 C
Classification (IPC)G01N33/58 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 21, 2005Patent grantedDec 31, 2013Term endedMarch 21, 2025

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