Tertiary perfluorocycloamines as a basis for gas transport emulsions and process for preparing thereof
CA 2433580 A1 · Owner: Gervits, Lev Lvovich · Inventors: Pushkin, Sergei Jurievich; Gervits, Lev Lvovich; Ivanitsky, Genrikh Romanovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The inventive perfluoronated cycle-containing tertiary amines (PFCTA) of general formula (1) where n=1 or 2; m=2 or 3 X represents or at n=2 X , represents are used as a basis for gas conveying emulsions. PFCTA is a group of compounds near to perfluor-N-(4-methylcyclohexyl)-piperidine with respect to the properties thereof, in particular with respect to a critical solution temperature in hexane. Said compounds are used in a mixture thereby producing , a range of compounds which exhibit gradually changing characteristics and making it possible to obtain highly uniform fluorocarbon phases of the emulsions and to increase the stability of emulsion particles which are stabilised with …
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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 December 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 29, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.