Peelable protective film
CA 1306323 C · Owner: Egami, Yoshio · Inventors: Miyazaki, Kohzoh; Egami, Yoshio; Yamada, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A peelable protective film is disclosed which, is processed from a composition comprising 100 parts by weight of an ethylene/methyl methacrylate copolymer from, 0.01 to 0.1 part by weight of an inorganic filler and, from 0.01 to 1.0 part by weight of a slip agent. The protective film of the invention, when wrapped around articles having a tacky surface, exhibits good adhesion to the substrate and has a low peeling strength and therefore, can be readily peeled away as required.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.