Oxygen scavenging high barrier polyamide compositions for packaging applications
CA 2407941 A1 · Owner: Socci, Edward P. · Inventors: Akkapeddi, Murali K.; Socci, Edward P.; Kraft, Timothy J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life packaging applications. Thus a , polyamide composition comprises a polyamide homopolymer copolymer, or blends , thereof, and at least one polyamide reactive oxidizable polydiene or , oxidizable polyether. The polyamide products are particularly suited to making barrier packaging articles such as monolayer or multi-layer films sheets, thermoformed containers and coinjection/coextrusion blow molded bottles comprising PET, polyolefin or polycarbonate as structural layers. Such articles are useful in a variety of oxygen-sensitive food beverage, pharmaceutical and health care …
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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 May 2, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 2, 2023.
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Timeline
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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.