Multilayer trash bag film
CA 1202162 A · Owner: Union Carbide Corporation · Inventors: Horner, Jerome T.; Craver, Joseph N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multilayer plastic film suitable for use in the manufacture of garbage and trash bags wherein the film comprises a first outer layer of low pressure. low density polyethylene, a core layer of high pressure, low density polyethylene and a, second outer layer of high pressure low density, polyethylene.
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 March 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 2003.
- 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.