High molecular composite material
CA 1279307 C · Owner: Mitsui Toatsu Chemicals, Inc. · Inventors: Nakagawa, Toshimi; Kamio, Hideo; Nagai, Katsutoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a high molecular composite material, which comprises as one component thereof a homopolymer of at least one monomer selected from specific N-alkyl- or N-alkylene-substituted (meth)acrylamides, a first copolymer of two or more of the (meth)acrylamides, a second copolymer of said at least one monomer with one or more monomers other than the (meth)acrylamides and copolymerizable therewith or, a water-insolubilized product of the homopolymer or either first or second copolymer. The homopolymer copolymer or water-insoluble product can form with a, low or high molecular compound containing one or more active hydrogen or hydrophobic groups, a composite material which may be …
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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.