Use of a cysteine-containing substance to increase the ventilatory activity and erythropoietin production
CA 2469372 A1 · Owner: Droege, Wulf · Inventors: Droege, Wulf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The said invention deals with the use of cysteine a cysteine precursor , substance or a cysteine derivative or a cysteine-containing substance to increase the oxygen supply to the tissue by increasing the ventilatory activity and/or by increasing the production of the blood-forming hormone erythropoietin (EPO), especially for the treatment of aging-related or diseaserelated conditions associated with a decreased oxygen supply to the tissue especially in elderly subjects, in the treatment of malignant diseases and in cardiorespiratory diseases.
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 December 10, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2024.
- 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.