Polyacetal resin composition
CA 1270085 C · Owner: Ikenaga, Yukio · Inventors: Tanimura, Keizo; Yamawaki, Masami; Ikenaga, Yukio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polyacetal Resin Composition, Abstract of the Disclosure A polyacetal resin composition comprises polyactal resin, carbon black and a polypropylene glycol/polyethylene glycol ether copolymer. It is improved in the antistatic property the stability, to heat and mechanical 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 June 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- 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.