Organic sol and solid compound based on titanium oxide and an amphiphilic compound and preparation methods
CA 2360830 A1 · Owner: Chane-Ching, Jean-Yves · Inventors: Chane-Ching, Jean-Yves; Aupaix, Nicole
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns an organic sol characterised in that it comprises titanium oxide particles; an organic liquid phase and at least an amphiphilic compound selected among polyethylene phosphate alkyl ethers. In a first embodiment the method for preparing said sol is characterised in that it consists in mixing said amphiphilic compound and the organic liquid phase then in dispersing the titanium oxide particles in the resulting mixture. In a second embodiment it consists in forming a mixture of titanium oxide and at least said amphiphilic compound then in dispersing said mixture in said liquid phase. The invention also concerns a solid compound comprising a mixture of titanium oxide …
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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 February 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2022.
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Timeline
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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.