Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Reexamination Certificate
2008-04-22
2008-04-22
Nakarani, D. S (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
C428S421000, C428S425800, C428S425900, C428S463000, C428S520000, C428S522000
Reexamination Certificate
active
10491655
ABSTRACT:
A primer layer and a thermoformable film that includes the primer layer are provided. The primer layer includes a cross-linked adhesive polymer having a semicrystalline region and a polar region. The cross-linked adhesive polymer has a tensile strength at maximum elongation that is less than that of an otherwise identical adhesive polymer that has not been cross-linked. The primer layer can be an outer layer of the thermoformable film, can be positioned between two additional layers of the thermoformable film, or a combination thereof. The primer layer can be positioned in contact with a mold surface during a thermoforming process.
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3M Innovative Properties Company
Fulton Lisa P.
Lown Jean A.
Nakarani D. S
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