Castable compositions containing unsaturated liquid vinylidene-terminated polymers
CA 1049186 A · Owner: B.F. Goodrich Company (The) · Inventors: Mccarthy, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
OF THE INVENTION, compositions comprising a liquid binylidene-terminated polymer containing olefinic unsaturation in the polymeric backbone, a polymerizable vinyl monomer and a free-radical, catalyst system are readily castable. Upon heating the com-, position cures to yield an elastomeric vulcanizate having a tensile strength in excess of 400 psi. The castable compositions are useful as caulks, sealants, potting compounds en-, capsulants, and to prepare molded articles and the like.
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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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.