Substituted 1-¬3-(heteroarylmethoxy)phenyl alkanols and related compounds in the treatment of asthma, arthritis and related diseases
CA 2013895 C · Owner: Eggler, James Frederick · Inventors: Marfat, Anthony; Masamune, Hiroko; Eggler, James Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Substituted 1-13-(heteroarylmethoxy)phenyl-alkanols and related compounds of the formula:, (wherein X is CH2 or O; Y is hydroxy or acyloxy;, R is aromatic or heteroaromatic group; R1 is heteroaromatic group; and, R2 is hydrogen alkyl or alkoxy), which, by inhibiting 5-lipoxygenase enzyme and/or blocking leukotriene receptors, are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers myocardial infarction, stroke and related disease states in mammals. Also disclosed are pharmaceutical compositions containing the compounds.
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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 April 5, 1990 and granted January 9, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 5, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 5, 2012.
- 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.