Thermoplastic/elastomeric composition
CA 1267244 C · Owner: Abc Plastic Molding · Inventors: Sadrmohaghegh, Changize
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic/elastomer composition useful for the manufacture of air, heater and air conditioner ducts and air, protective covers includes 45 to 70 parts by weight polypropylene 20 to 45 parts by weight ethylene-propylene-diene terpolymer elastomer (EPDM) 0 to 10 parts by weight low density polyethylene 0 to 10 parts by weight calcium carbonate 0 to 5 parts by, weight oil and 1 part by weight stabilizer. The preferred composition contains 47 parts by weight polypropylene 45 parts by, weight EPDM, 5 parts by weight CaCO3 2 parts by weight oil and, 1 part by weight stabilizer.
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 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
- 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.