Engineering plastic composition and an article made of the same
CA 1331900 C · Owner: Yamaguchi, Makoto · Inventors: Yamaguchi, Makoto; Saito, Toranosuke; Niki, Akihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Japan 63-216875 1988/08/31 (JP) Japan 63-304605 1988/11/30, (JP) Japan 63-304606 1988/11/30 (JP) Japan 63-304607 1988/11/30, (JP) Japan 63-304608 1988/11/30 (JP) Japan 1-15682 1989/01/25, (57) 10 Claims NO DRAWING, (1), - 86 -, ABSTRACT OF THE DISCLOSURE An engineering plastic composition with excellent flowability, heat stability, and desirable mechanical properties is provided. The composition comprises an engineering plastic material and at least one p-quaterphenyl derivative of specific formula.
Read the whole patent
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 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 6, 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.