Polyamide compositions
CA 1063286 A · Owner: Asahi-Dow Limited · Inventors: Iwami, Isamu; Kawasaki, Hironobu; Kodama, Atsuro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A polyamide composition comprising 50 to 95 parts by weight of a polyamide and 50 to 5 parts by weight of an ethylenic copolymer of ethylene an, alkyl ester of unsaturated carboxylic acid an un-, saturated carboxylic acid and a metal salt of unsaturated carboxylic acid has excellent processability such as fluidity at melting and remarkably improved impact strength when molded. The polyamide composition may further contain one or more inorganic materials such as glass fiber without lowering physical properties.
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 September 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 25, 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.