Thermoplastic molding compositions of aromatic polyether sulfone and hydrogenated nitrile rubber
CA 1338296 C · Owner: Buding, Hartmuth · Inventors: Eichenauer, Herbert; Ott, Karl-Heinz; Buding, Hartmuth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thermoplastic molding compositions of A) 70 to 99.5% by weight of a thermoplastic aromatic polyether sulfone or mixtures of several thermoplastic polyether sulfones and B) 30 to 0.5% by weight of a hydrogenated nitrile rubber. It has been found that mixtures of thermoplastic aromatic polyether sulfones and hydrogenated nitrile rubbers show high toughness good, processability and high weathering resistance and may be used for example for exterior parts of motor vehicles.
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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 April 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 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.