Compatibilization of polycarbonate blends
CA 1263487 C · Owner: General Electric Company · Inventors: Rosenquist, Niles Rosenquist; Tyrell, John Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition comprising an admixture of a. an aromatic carbonate polymer, b. a polyolefin or modified polyolefin in sufficient quantity to impact modify the aromatic carbonate polymer, and, c. an amount of catalyst sufficient to compatibilize a and b selected from the group consisting of basic compounds of alkali or alkaline earth metals.
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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 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.