Methods and compounds useful in inhibiting oxidative and/or free radical damage and in the treatment and prevention of disease
CA 2477254 A1 · Owner: Hass, Martha A. · Inventors: Hass, Martha A.; Levin, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are methods for treating obstructive and ischemic bladder diseases which include administering a compound which includes a cyclic or acyclic disulfide covalently bonded to a lipid-soluble antioxidant or which include administering a reduced sulfhydryl derivative thereof. Also disclosed are compounds that include a benzopyran moiety which is directly or indirectly covalently bonded to a cyclic or acyclic disulfide as well as reduced , sulfhydryl derivatives of such compounds. Methods for making such compounds and reduced sulfhydryl derivatives using tocopherol and lipoic acid starting materials are also disclosed, as are methods for inhibiting oxidative and/or free radical …
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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 February 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 24, 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.
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.