Packaging shaped articles, e.g., opaque bottles, and process...

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

Reexamination Certificate

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Details

C428S034100, C428S034400, C428S034500, C428S036400, C428S036600, C428S036920, C264S500000

Reexamination Certificate

active

07544405

ABSTRACT:
Packaging/storage shaped articles, for example, opaque bottles suited for storing and shielding such products as milk away from the adverse effects of visible and UV radiation, are manufactured by first providing/formulating precursor compositions which include a polyester or polylactone thermoplastic matrix having at least one mineral filler distributed therethrough, the mineral filler containing a titanium oxide and/or zinc sulfide and also having from 2% to 40% by weight of the composition, and thence converting the composition into such packaging/storage shaped article, notably by injection-blow molding.

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