Polymer blends of polycarbonate styrene terpolymer and abs resin
CA 1331063 C · Owner: Parsons, Charles F. · Inventors: Parsons, Charles F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
POLYMER BLENDS OF POLYCARBONATE, STYRENE TERPOLYMER AND ABS RESIN ABSTRACT OF THE INVENTION:, Polymer blend compositions comprise polycarbonate, styrene-acrylonitrile-maleic anhydride terpolymer and ABS resin. The ABS resin is included in the blends in amounts less than 20 weight percent and contains at least 40 weight percent of a diene rubber substrate. The blends exhibit high heat deflection temperatures and good impact strength and modulus.
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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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
- 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.