Scratch resistant propylene polymer composition
CA 2562429 C · Owner: Dow Global Technologies Llc · Inventors: Van Riel, Norwin; Van Poucke, Jeroen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are propylene compositions comprising a propylene polymer a , substantially linear ethylene polymer linear ethylene polymer or combinations thereof, a low molecular weight polymer and optionally a filler. Said propylene polymer compositions have improved processability with a good balance of stiffness and toughness and demonstrate improved scratch resistance in injection molded articles.
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
- Filed April 5, 2005 and granted February 17, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.