Thermoplastic polyester resin composition
CA 1307368 C · Owner: Nakatsuji, Hiroshi · Inventors: Nakano, Michio; Nakatsuji, Hiroshi; Nakai, Mikio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a flame-retardant thermoplastic polyester resin composition consisting essentially of: (a) a thermoplastic polyester; (b) from 0.001 to 5 parts by weight based, upon 100 parts by weight of the thermoplastic polyester of a, phosphoric compound having the formula: (I), (where Ar and Ar', which may be the same or different each, represent aryl or substituted aryl groups having 6 to 23 carbon atoms), (c) from 0.001 to 5 parts by weight based upon 100 parts, by weight of the thermoplastic polyester of a hindered phenolic, compound, (d) from 2 to 40 parts by weight based upon 100 parts, by weight of the thermoplastic polyester of a bromine based, flame retarding agent and (e) from 1 …
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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 September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.