Fire-retardant polyamide composition having good heat resistance
CA 1338392 C · Owner: Mitsui Petrochemical Industries, Ltd. · Inventors: Ikejiri, Fumitoshi; Sakai, Hideki; Ishiwatari, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition comprising (I) a thermally stable polyamide such as an aromatic polyamide (II) a, halogenated polystyrene or a halogenated polyphenylene oxide, and (III) sodium antimonate has excellent fire retardancy and excellent thermal stability during molding. The thermal stability of the composition is further enhanced by including (IV) a hydrotalcite-type complex hydroxide or (V) magnesium oxide and/or zinc oxide.
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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 June 11, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2013.
- 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.