Mixtures of polyamides and graft polymers of styrene and acrylonitrile on polybutadiene
CA 1135892 A · Owner: Bayer Aktiengesellschaft · Inventors: Binsack, Rudolf; Brassat, Bert; Nielinger, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polymer compositions comprising amorphous polyamides and graft polymers consisting of polybutadiene and grafted units of styrene and acrylonitrile. The new compositions have outstanding properties such as toughness rigidity and high, tracking resistance which makes them suitable for the production of components in machine construction, of technical apparatus in the manufacture of motor vehicles and in the electrical sector.
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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 November 16, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 1999.
- 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
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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.