Means of stabilizing hemoglobin
CA 2377822 A1 · Owner: International Reagents Corporation · Inventors: Kakuyama, Tsutomu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hemoglobin stabilizers characterized by containing a sulfur-containing compound; and a method for stabilizing hemoglobins by adding these stabilizers. The above stabilizers and method are particularly useful in stabilizing hemoglobins in the form of solutions. By using these stabilizers or method, hemoglobin-containing controls standards, etc. for clinical , examinations which should be measured at a high accuracy can be stabilized.
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 July 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 3, 2022.
- 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.