Aerosol ointment compositions and method of manufacture
CA 2306484 A1 · Owner: Marra, Dorothea C. · Inventors: Osipow, Lloyd I.; Spitzer, J. George; Marra, Dorothea C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aerosol ointment compositions are provided that when a deposit is expelled , from an aerosol container onto damaged tissue there is applied to said tissue , a cold ointment by which exerts a cooling pain relief effect and a medicinal therapeutic effect on said tissues. Exemples of typical ointments of the invention are those for the temporary relief of hemorrhoids treatment of , sunburn and relief from arthritic pain. A method for the manufacture of aerosol ointment composition capable of expelling from aerosol containers ointments that exert on damaged tissues both a pain relieving cooling effect and a medicinal therapeutic effect. The aerosol compositions that enhance the …
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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 September 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2020.
- 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.