Enhancer for the antianemia effect of erythropoietin and method of augmenting the antianemia effect of erythropoietin
CA 2108330 C · Owner: Kureha Chemical Industry Co. Ltd. · Inventors: Ise, Michihito; Hayashi, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an enhancer for the antianemia effect of erythropoietin comprising a spherical carbon as an active ingredient in an amount effective for the treatment of anemia in combination with erythropoietin the, enhancer being used by oral administration whereby the, antianemia effect of erythropoietin can be remarkably enhanced, the dosage of erythropoietin can be remarkably decreased, and side effects from erythropoietin can be remarkably reduced. Further, the present invention provides a method of augmenting the antianemia effect of erythropoietin comprising administering to a patient an effective amount of a spherical carbon in combination with a portion of an …
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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 13, 1993 and granted December 8, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2015.
- 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
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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.