Aqueous primary dispersions and coating matters, a method for producing same and the use thereof
CA 2394023 A1 · Owner: Bendix, Maximilian · Inventors: Christie, David; Bendix, Maximilian; Bremser, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to aqueous primary dispersions and coating matters containing dispersed and/or emulsified solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a particle diameter <= 500 nm. The inventive dispersions and coating matters can be produced by means of controlled radical micro or miniemulsion polymerisation of (A) at least one olefinically unsaturated monomer and (B) at least one olefinically unsaturated monomer of the general formula (I): R1R2C=CR3R4 wherein the radicals R1, R2, R3 and R4 independently from each other, stand for hydrogen atoms or substituted or unsubstituted alkyl-, cycloalkylalkylcycloalkyl-, cycloalkylalkyl-, …
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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 November 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2022.
- 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.