Thermoplastic polymer blends of an epdm polymer having a high ethylene length index with polyethylene
CA 1104290 A · Owner: Goodrich (B.F.) Company (The) · Inventors: Carman, Charles J.; Herman, Richard M.; Batiuk, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A HIGH ETHYLENE LENGTH INDEX WITH POLYETHYLENE, ABSTRACT OF THE DISCLOSURE EPDM polymers having a high ethylene length index (ELI) are physically blended with polyethylene polymers. The blends exhibit superior tensile strength significantly, better than that predicted from their additive individual effects. The thermoplastic polymer blends are useful to prepare molded products, tubing, liners and like products. - 1 -
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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.