Polypropylene-base resin composition
CA 1314644 C · Owner: Abe, Masaru · Inventors: Yokote, Sachio; Kawai, Yoichi; Abe, Masaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A polypropylene-base resin composition comprising a polypropylene-base resin and carbon black in an amount of 0.01 - 0.6 wt.% based on the polypropylene-base resin and being suitable for use in the production of molded articles having excellent paintability. The polypropylene-base resin comprises 100 parts by weight of a crystalline ethylene-propylene block copolymer, 7 to 60 parts by weight of a thermoplastic elastomer and 3 to 30 parts by weight of an inorganic filler.
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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 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.