Molded plastic food and beverage container and method

Details Molded plastic food and beverage container and method Molded plastic food and beverage container and method

1997-01-21

2000-06-20

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 122, 220 6212, 220 6213, 220 6222, 428 367, 4284744, 4284752, 4284758, 4284761, 4284763, 428483, B32B 2708, B32B 2730, B32B 2736, B32B 3300

Patent

active

060775785

ABSTRACT:
A multilayered container and a process for forming the same are disclosed. The container includes a support wall formed from a plastic having an undesirable substance therein and polymerized to a level less than that necessary to prevent the undesirable substance from migrating from the plastic into the contents when the contents are in contact with the support wall. A protective wall is provided adjacent the support wall and adapted to be positioned between the support wall and the contents. The protective wall is formed from a material which limits the migration of undesirable substance from the support wall into the contents.

REFERENCES:
patent: 3804663 (1974-04-01), Clark
patent: 4741936 (1988-05-01), Nohara et al.
patent: 4741970 (1988-05-01), Fairchok et al.
patent: 4808482 (1989-02-01), Benge et al.
patent: 5049647 (1991-09-01), Al-Ghatta
patent: 5693283 (1997-12-01), Fehn
patent: 5759653 (1998-06-01), Collette et al.
"Barrier Polymers" in the Kirk Othmer Encyclopedia of Chemical Technology, Fourth Edition, John Wiley & Sons, vol. 3, pp. 931-962, 1992.

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