A geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making the same
CA 2496407 A1 · Owner: Rucker, Steven P. · Inventors: Zushma, Stephen; Santiesteban, Jose G.; Godwin, Allen D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is related to a geminally disubstituted olefin-carbon monoxideethylene polymer. The invention is also related to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene polymers by reacting a geminally disubstituted olefin feed, a carbon monoxide feed and an ethylene feed under free radical polymerization conditions. The invention is further related to a geminally disubstituted olefin-carbon monoxide-ethylene-X polymer, where monomer X is a free radical polymerizable monomer. The invention is also directed to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene-X polymers by reacting a geminally disubstituted olefin …
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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 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 2025.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.