High vinyl polybutadiene rubber having enhanced cure characteristics
CA 1339237 C · Owner: Wideman, Lawson Gibson · Inventors: Castner, Kenneth Floyd; Wideman, Lawson Gibson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
High vinyl polybutadiene rubber has a combination of properties which makes it highly suitable for utilization in many applications. For instance high, vinyl polybutadiene possesses a number of properties that make it desirable for utilization in building tires. However, high vinyl polybutadiene rubber does not generally have optimal cure characteristics. More specifically, high vinyl polybutadiene rubber has a slow cure rate and in some cases the ultimate degree of cure which can be attained is lower than desired. This invention discloses a high vinyl polybutadiene rubber which has enhanced cure characteristics. The high vinyl polybutadiene rubbers of this invention are prepared by lightly …
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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 August 5, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2014.
- 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.