Solvent-resistant, compatible blends of polyphenylene ethers and thermoplastic polyester mixtures
CA 1333429 C · Owner: Brown, Sterling Bruce · Inventors: Lowry, Richard Charles; Brown, Sterling Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Solvent-resistant resin blends with a wide variety of desirable impact and tensile properties are prepared from a polyphenylene ether having a low proportion of unneutralized amino nitrogen, a mixture of a poly(alkylene dicarboxylate) and a polyarylate, an aromatic polycarbonate as a compatibilizing agent, and, optionally at least one elasto-, meric polyphenylene ether-compatible impact modifier.
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 December 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 6, 2011.
- 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.