Elastomeric composition and process for the production thereof
CA 1261990 A · Owner: Uniroyal Chemical Company, Inc. · Inventors: Wingrove, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Elastomeric compositions produced by curing a blend of (A) ethylene/alphaolefin/nonconjugated polyene terpolymer; and (B) acrylonitrile/conjugated diene copolymer, utilizing a curing agent comprising sulfur a, sulfur cure accelerator and a peroxide curative exhibit desirable properties. Also disclosed is a process for preparing such elastomers.
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.