Preparations comprising a fluorocarbon and a lipophilic/fluorophilic organic compound, and their uses
CA 2113542 A1 · Owner: S.A. A.T.T.A. Applications Et Transferts De Technologies Avancees Avancees · Inventors: Sole-Violan, Luis; Riess, Jean G.; Postel, Michele
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fluorocarbon emulsions comprising a stabilizing particle size, controlling fluorophilic/hydrophilic compound which can have the formula RF1-W-RH1 (I), wherein RF1 is a linear branched or cyclic C2-14 fluorocarbon group; RH1 is a linear branched or cyclic C2-18 saturated or unsaturated hydrocarbon group; and W is absent or is a bivalent species chosen from the group consisting of -O-, -S-, or various fluorinated structures. Use of the fluorophilic/lipophilic compound in the dispersions of the invention provides stable particle size and efficient emulsification. The dispersions of the invention can comprise biologically useful additive and can be used for various purposes as oxygen, …
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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 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2014.
- 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.