Thermoplastic resin composition
CA 1332009 C · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Maruyama, Takashi; Mizuno, Yukio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a thermoplastic resin composition which is improved in compatibility between polyphenylene ether and thermoplastic polyester and is excellent in processability and impact strength. This composition comprises: (A) 100 parts by weight of a composition comprising 95 - 5 % by weight of a polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the following formula:, (wherein R1, R2, R3, R4 and R5 which may be identical or different, each represents a hydrogen atom a, halogen atom, a hydrocarbon radical or a substituted hydrocarbon radical and at least one of them is a hydrogen atom) and 5 - 95 % by weight of a …
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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 September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
- 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.