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Expired Canadian patentCanada

Method and apparatus for photometric determination of the properties of individual pieces of meat

CA 2018586 C · Owner: Andersen, Jan Rud · Inventors: Andersen, Jan Rud; Borggaard, Claus

CIPO record

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Abstract From the Canadian patent

Method for photometric determination of the concentration of a substance of individual pieces of meat, such as the pigment and protein content of meat, by which the optical properties of the meat are measured by means of an optical probe and the obtained results are put into an algorithm. The method comprises the steps of registration of the optical values ina series of different wavelengths e.g. 32, which comprises a continuous, wavelength range or a spectrum insertion of the obtained values as, variables in a multi-variable algorithm and calculation of the concentration value. The method may be applied to pieces of meat which are conveyed on a slaughter line. It is quick and so accurate …

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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 June 8, 1990 and granted April 2, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 8, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 8, 2012.
  • 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 8, 1990
GrantedApril 2, 1996
Term endedJune 8, 2010
Patent numberCA 2018586 C
Classification (IPC)G01N21/27 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJune 8, 1990Patent grantedApril 2, 1996Term endedJune 8, 2010

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