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Expired Canadian patentCanada

Method and means to perform biochemical reactions

CA 2082933 C · Owner: Malmquist, Mats · Inventors: Malmquist, Mats

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

The present invention relates to a method to perform biochemical reactions and a combination of a capillary (3) and a reaction vessel (1) for use in said method. The reagent capillaries (3) contain frozen reagents (6-13) separated from each other by air or an inert fluid. At use, the reagent capillaries (3) are placed in a reaction vessel (1) to be thawed and then the contents are centrifugated to the bottom of the reaction vessel (1). The invention is intended for use in all types of biochemical standard reactions and diagnostic tests in which the reagents cannot be mixed in advandce. , It is particularly suitable for CPR diagnostics but is also especially beneficial when handling …

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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 May 15, 1991 and granted September 17, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 15, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 15, 1991
GrantedSeptember 17, 2002
Term endedMay 15, 2011
Patent numberCA 2082933 C
Classification (IPC)C12Q1/68 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedMay 15, 1991Patent grantedSep 17, 2002Term endedMay 15, 2011

Sources & verification

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