Unsaturated epoxy compound-unsaturated silane-filler-polyamide composition and processes therefor
CA 1077182 A · Owner: Teijin Limited · Inventors: Inokuchi, Norio; Ono, Tomoyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polyamide compositions comprising a polyamide an inorganic, filler, an unsaturated compound containing an epoxy group and an unsaturated, silane are disclosed and processes for their preparation. Typically the polyamide is nylon, the filler is clay quartz, silica, talc or wollastonite, the epoxy compound containing a double bond is a glycidyl derivative and the, silane is a vinyl-methyl or vinyl methoxyethoxy silane. These compositions show improved physical properties over known filled polyamides.
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 6, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 1997.
- 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.