Preparation and standardization of immunomodulatory peptide-linked glucans with verifiable oral absorbability from coriolus versicolor
CA 2486483 C · Owner: The Chinese University Of Hong Kong · Inventors: Chu, Kevin K. W.; Chow, Albert H. L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides compositions and methods for stimulating the immune system. Such methods include administering an extract purified peptide-linked , glucan or active component thereof from Coriolus Versicolor. The methods are particularly useful for prophylactic and therapeutic treatment of secondary immunodeficiency, wherein the immunodeficiency is the result of an infection a malignant neoplastic disease, an autoimmune disease a protein losing state, an immunosuppressive treatment surgery or anesthesia.
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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 May 22, 2003 and granted April 1, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 22, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.