Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Reexamination Certificate
2007-08-07
2007-08-07
Miggins, Michael C. (Department: 1772)
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
C428S035700, C428S304400, C428S308400, C428S318600, C428S402000
Reexamination Certificate
active
10325062
ABSTRACT:
A foam thermoplastic container e.g. cup, bowl molded from expandable thermoplastic particles e.g. expandable polystyrene, has a film made of a thermoplastic resin e.g. solid polystyrene, rubber-modified polystyrene, PET, polyethylene, polypropylene, fused to its inner sidewall surface by heat and pressure to create a barrier to resist the leakage of liquid and food with oil and/or fatty components and to increase the rim strength of the container. The thermoplastic resin film can be fused to the outer surface of the container for printing purposes and/or to create a barrier and/or can be fused to the base surfaces of the container. The molding machine used to form the foam container is used to fuse the film to the container.
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Cowan David Allen
Kwok John C.
Piispanen Dennis H.
Russell Jeffory E.
Tang Jiansheng
Kikel Suzanne
Matz Gary F.
Miggins Michael C.
NOVA Chemicals Inc.
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