Topical medicinal pressurized aerosol compositions and method of preparation, method of use and article of manufacture thereof
CA 2027952 A1 · Owner: Gorman, William George · Inventors: Carroll, Fred Andrew Iii; Gorman, William George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
22749-365, D.N. 1080A, ABSTRACT, Topical medicinal pressurized aerosol compositions and method of preparation, method of use and article of manufacture thereof especially wherein the topical medicament is mafenide or a pharmaceutically acceptable acid addition salt thereof most, especially mafenide acetate, and especially for treatment of burns are disclosed. The aerosol compositions consist essentially of by weight/weight from about 0.1% to about 15% of a topical medicament or a mixture of two or more topical medicaments from, about 3% to about 20% of a liquified propellant or a mixture of two or more liquified propellants, from about 20% to about 80% of an aqueous vehicle, and from about …
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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 18, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 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
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.