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Expired Canadian patentCanada

Process and reagent for the determination of low density lipoproteins in body fluids

CA 1211707 A · Owner: Boehringer Mannheim G.M.B.H. · Inventors: Schiefer, Sigbert; Drager, Brigitte; Ziegenhorn, Joachim

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Abstract From the Canadian patent

Process and reagent for the determination of low density lipoproteins in body fluids, The present invention provides a process for the determination of low density lipoproteins (LDL) in body fluids, wherein high density lipoprotein (HDL) antibodies are added to a sample to be investigated, insolubles formed are separated off and the LDL or one of its components is determined in the supernatant. The present invention also provides a reagent for the determination of the LDL fraction in body fluids, wherein it contains HDL antibodies.

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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 September 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 21, 1983
GrantedSeptember 23, 1986
Term endedSeptember 23, 2003
Patent numberCA 1211707 A
Classification (IPC)G01N33/53 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 21, 1983Patent grantedSep 23, 1986Term endedSep 23, 2003

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