Composition and device for urinary protein assay and method of using the same
CA 2081868 A1 · Owner: Franke, Gunter · Inventors: Franke, Gunter; Sommer, Ronald G.; Salvati, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An improved composition, test device and method of determining the presence or concentration of proteins, such as albumin, in a liquid test sample such as urine, are disclosed. The test device includes a test pad comprising a carrier matrix incorporating a new and improved indicator reagent composition capable of interacting with proteins to produce a detectable response. The new and improved indicator reagent composition comprises an indicator dye that is capable of interacting with albumin and undergoing a detectable response, such as a color transition; a buffer; a hydrophobic polymeric compound having the general structural formula:, , (I), wherein A is and PO …
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 October 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.