Topical pharmaceutical compositions
CA 2032733 A1 · Owner: Bar-On, Ernest · Inventors: Bar-On, Ernest; Bar-On, Ernest; Levinter-Segal, Sophia
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A C T :, The invention relates to a pharmaceutical composition for removing necrotic skin tissue in mammals including humans, The composition comprises in combination a substituted thiol in which the hydrogen sulfide moiety is substituted by an organic residue, alantoine, a physiologically acceptable alkaline substance, an application vehicle for the thiol and alkaline constituents, and water for activating the composition. Suitable application vehicles are body giving materials of an oily nature, emulsifiers and a thickening agent with adequate, water to provide the required consistency. Suitable thiols are thioglycolates and similar compounds.
Read the whole patent
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 December 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 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.