Monitoring patient compliance and bioavailability of drugs by deproteinizing body fluids
CA 2318776 A1 · Owner: Luiza, Vera Lucia · Inventors: Filho, Milton Ferreira; Gemal, Andre Luis; Luiza, Vera Lucia
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a method for drug level detection by using a simplified and effective deproteinizing step from body fluids such as plasma, blood, urine, saliva, tear fluid followed by drug extraction and measurement using an accurate technique, such as a colorimetric assay or a High- Performance Liquid Chromatography method. In a particular embodiment the , invention is directed to a method to quantify rifampicin in order to monitor its levels in body fluids and also to a Kit for rifampicin concentration measurement.
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 November 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2021.
- 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.