Polymer compositions
CA 1337880 C · Owner: Matsuura, Kazuo · Inventors: Kuroda, Nobuyuki; Matsuura, Kazuo; Shikatani, Yutaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A polymer composition which is superior in processability, exhibits an extremely superior electroconductive characteristic when doped using an electron acceptor and which comprises. (A) a copolymer represented by the following general formula (I):, (I), wherein R1 is a hydrogen atom or a hydrocarbon residue having 1 to 20 carbon atoms, R2 is a hydrogen atom a, hydrocarbon residue having 1 to 20 carbon atoms furyl, pyridyl, nitrophenyl, chlorophenyl or methoxyphenyl, n, and x are each an integer not smaller than 2; and (B) one or more compounds selected from the group consisting of: polypyrrole compounds represented by the following general formula (II):, (II), wherein R3 R4 and R5 are each …
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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 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2013.
- 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.