Phenylene ether resin based thermoplastic compositions
CA 1300784 C · Owner: Smalling, Richard Justin · Inventors: Thompson, Peter Hall; Smalling, Richard Justin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic composition is provided which comprises a phenylene ether resin, a rubber modified high impact vinyl aromatic resin, and a styrenic homopolymer which has a number average molecular weight of 65,000 to 120,000. The composition has good impact and tensile strength while exhibiting a lower melt viscosity than other thermoplastic compositions known in the art.
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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.