Expired Canadian patentCanada
Diagnostic agent for the detection of bilirubin in body fluids and reagent suitable therefor
CA 1195686 A · Owner: Dade Behring Marburg Gmbh · Inventors: Kohl, Helmut
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The use of a salt of diazopyrazole as diazonium salt for the detection of bilirubin in body fluids and a diagnostic agent suitable for detection of bilirubin and which contains this salt are described.
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
- Granted October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 11, 1980
GrantedOctober 22, 1985
Term endedOctober 22, 2002
Patent numberCA 1195686 A
Classification (IPC)G01N33/72 +1 more
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.