Process for making a thermoplastic resin composition
CA 1312685 C · Owner: Suzuki, Yasurou · Inventors: Sanada, Takashi; Nishio, Taichi; Abe, Hiroomi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for making a thermoplastic resin composition which comprises melting and mixing 100 parts by weight of polyphenylene ether (A) and 0.01 - 5.0 parts by weight of at least one compound (B) which contains in its molecule both (a) carbon-carbon double bond or carbon-carbon triple bond and (b) carboxyl group, acid anhydride group, acid amide group imide, group, carboxylic acid ester group epoxy group, amino, group or hydroxyl group in the presence of 0.01 % or more and less than 0.1 % by weight of radical initiator based on the polyphenylene ether (A), said polyphenylene ether (A) being obtained by oxidation-polymerization of at least one phenol compound represented by the formula:, …
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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 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 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.