Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof
CA 1314112 C · Owner: Satake, Yoshikatsu · Inventors: Sakaguchi, Yasuo; Shiiki, Zenya; Kaneko, Takashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Heat-resistant resin composition comprising (A) 100 parts by weight of a polytarylene sulfide) of a substantially linear structure containing 50% by weight or higher of recurring units of the formula and a logarithmic viscosity number of 0.1 to 1.0 d?/g; (B) from 0.01 to less than 25 parts by weight of a melt-stable poly(arylene thioether-ketone) having predominant recurring units of the formula wherein the -CO- and -S- are in the, para position to each other and having a melting point, of 310-380°C a residual melt crystallization enthalpy of at least 10 J/g, a melt crystallization temperature of at least 210°C and a reduced viscosity of 0.2 to 2 d?/g; and (C) at least one of fibrous …
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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 March 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 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.