Derivatives of 4-nitrobenz-2-oxa-1,3-diazole as fluorescent tracer compounds
CA 1324145 C · Owner: Abbott Laboratories · Inventors: Russell, John Caro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
DERIVATIVES OF 4-NITROBENZ-2-OXA-1,3-DIAZOLE AS FLUORESCENT TRACER COMPOUNDS, ABSTRACT OF THE DISCLOSURE The present invention is directed to a fluorescence polarization method for monitoring fetal lung maturity, to various compounds needed for preparing and carrying out such monitoring and to, methods of making these components.
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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
- 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.