Method for continuously producing halogenated elastomers and device for carrying out said method
CA 2443101 A1 · Owner: Ishteryakov, Alexandr Danilovich · Inventors: Ivanova, Svetlana Romanovna; Minsker, Sergei Karlovich; Deberdeev, Timur Rustamovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The inventive method for continuously producing a halogenated elastomer consists in conveying a halogenating agent to a continiuous stream of elastomer solution. Said halogenating agent and elastomer solution are mixed in such a way that the halogenated elastomer is produced. The inventive method also consists in neutralising the halogenated elastomer with a neutralising medium and washing it at least once with a washing medium. The halogenation washing and neutralisation are performed under turbulent conditions and inversion phenomena and are followed by successive removal of the exceeding halogenating agent and decantation of washing and neutralising mediums from the halogenated …
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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 April 2, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 2, 2023.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.