Molded or formed poly(arylene thioether-ketone) articles
CA 1304876 C · Owner: Iizuka, Yo · Inventors: Kouyama, Toshitaka; Katto, Takayuki; Satake, Yoshikatsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a molded or formed poly(arylene thioether-ketone) article made of a thermoplastic material which comprises 100 parts by weight of a melt-stable poly(arylene thioether-ketone) (PTK) and if desired, up to 100 parts by weight of at least one of thermoplastic resins and/or up to 300 parts by weight of at least one of fibrous fillers and/or at least one of inorganic fillers. The PTK has predominant recurring units of the formula wherein the -CO- and -S- are in the, para position to each other and has a melting point, Tm of 310-380°C a residual melt crystallization, enthalpy .DELTA.Hmc (420°C/10 min) of at least 10 J/g a, melt crystallization temperature, Tmc (420°C/10 min) of …
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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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- 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.