Food containers of nylon 6,6/6t
CA 2113072 A1 · Owner: Leboeuf, Christian · Inventors: Leboeuf, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A retortable moulded plastic food container a food package made , therefrom and a process for making the food package is disclosed. The container is made from a composition consisting essentially of: (a) a polymeric material selected from: (A) 80 to 100 wt.% of a polyamide which is a condensation product of adipic acid terephthalic acid and hexamethylenediamine wherein the terephthalic acid is in an amount of from 45 to 100 mole % of the diacid content of the polyamide, (B) 80 to 100 wt.% of a polyamide which is a condensation product of terephthalic acid isophthalic acid and, hexamethylenediamine wherein the mole ratio of terephthalic acid to isophthalic acid is from 1:1 to 3:1 (C) 80 to …
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
- Filed June 19, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2014.
- 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.