Flame-retardant resin composition
CA 1058348 A · Owner: Unitika Ltd. · Inventors: Yasue Kenji; Hirose, Isamu; Shinoura, Daisuke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A resin composition comprising: (a) an aromatic copolyester comprising terephthalic acid isophthalic acid and, a halogen-free bisphenol; and (b) a halogen-containing aromatic copolyester containing terephthalic acid isophthalic acid and, at least in part a bisphenol bearing a halogen substituent(s) as a comonomer. Molded articles prepared from such a resin composition possess excellent mechanical properties electrical, properties and flame-retardant capabilities.
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 July 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
- 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.