N-alkenylcarbamate macromer
CA 1313882 C · Owner: Kobayashi, Hiroshi · Inventors: Kuroda, Nobuyuki; Kobayashi, Hiroshi; Matsuura, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel N-alkenylcarbamate macromer is disclosed having the general formula:, where R1 is hydrogen or an alkyl group of 1 to 5 carbon atoms, R2 is an alkyl group of 1 to 10 carbon atoms R3 is, hydrogen or an alkyl group of 1 to 3 carbon atoms and m, is a whole number ranging from 1 to 30. The macromer can be prepared by reacting an alkenyl isocyanate with a polyalkylene glycol monoalkyl ether. When polymerized or copolymerized with other monomers, the macromer produces comb-shaped polymers useful as compatibilizing agents matrices for polymeric solid electrolytes etc.
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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
- Granted February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
- 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.