Method of stabilizing endogenic, physiologically active peptides
CA 2096336 A1 · Owner: B.R.A.H.M.S. Diagnostica Gmbh · Inventors: Bergmann, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Described is a method of stabilizing endogenic physiologically, active peptides in human whole blood serum or plasma samples, before and/or during the determination of the concentration of this peptide using immuno-diagnostic or physical procedures. In this method, a combination of stabilizers is added to the samples the, stabilizer combination consisting of the protease inhibitors amastatin and leupeptin plus ethylenediaminetetraacetic acid (EDTA) or containing these compounds.
Read the whole patent
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 August 13, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.