Thermoplastic resin composition
CA 1319215 C · Owner: Sumitomo Dow Limited · Inventors: Motomatsu, Kazuhiko; Aoki, Hiromichi; Sato, Ichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, The invention relates to a thermoplastic resin composition having well balanced desirable physical properties such as chemical resistance drop weight impact, resistance and thermal stability. The composition comprises (A) a styrenic polymer and (B) a ternary polymer comprising 50 to 98.5 % by weight of an olefin 0.5 to 10 %, by weight of an unsaturated dicarboxylic acid anhydride and 1 to 40 % by weight of an unsaturated carboxylic acid alkyl ester, the weight proportion of the styrenic polymer (A) and the ternary polymer (B) being 100 : 0.5 - 200. The composition can be used for a variety of purposes e.g. in vehicles and light electrical appliances.
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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.