Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2006-10-31
2006-10-31
Chen, Vivian (Department: 1773)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C428S327000, C428S480000, C428S910000, C264S288400, C264S290200, C528S302000, C528S308000, C528S308100, C528S308600
Reexamination Certificate
active
07128968
ABSTRACT:
Biaxially oriented polyester films which have at least one polyester-containing base layer (B) and at least one matt overlayer (A), the overlayer (A) comprising particles, preferably SiO2, which have a median diameter of from 2 to 10 μm and have a SPAN98 of ≦2, and the overlayer (A) comprising a polyester which has isophthalic acid units, feature in particular low opacity, high transparency, low gloss of the overlayer (A) and high processing reliability, and are therefore suitable as flexible packaging films even for use on high-speed packaging machinery.
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Hilkert Gottfried
Konrad Matthias
Peiffer Herbert
Mitsubishi Polyester Film GmbH
ProPat L.L.C.
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