Polyolefin composition and method of coating molded article obtained therefrom
CA 1292819 C · Owner: Kuribayashi, Hideyuki · Inventors: Doi, Toshiki; Kuribayashi, Hideyuki; Shinonaga, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A polyolefin composition and a method of coating a urethane coating on a molded article obtained therefrom are disclosed. The composition comprises a polyolefin and a modified polymer obtained by graftcopolymerizing an unsaturated dicarboxylic acid or an anhydride thereof to a specific ethylene-propylene-based copolymer. The molded article obtained from the composition has an increased impact strength and improved workability in finishing, particularly coating with an urethane coating.
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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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
- 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.