Chemokine receptor antagonists and methods of use therefor
CA 2259927 A1 · Owner: Mackay, Charles R. · Inventors: Mackay, Charles R.; Pinto, Julia C.; Newman, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method of treating a subject with a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to the subject a therapeutically effective amount of a compound represented by structural formula (I) and physiologically acceptable salts thereof. Z is a substituted or unsubstituted aromatic group. Y is a covalent bond, -O- or -CO-. n is an integer from one to about five. X is a covalent bond or -CO-. Ra is an aliphatic or a substituted aliphatic group; Rb is an aliphatic group substituted with an aromatic group or substituted aromatic group; and, taken together with the nitrogen atom bonded to Ra and Rb can , form a …
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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 July 11, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 11, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 11, 2019.
- 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.