Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2006-12-12
2006-12-12
Tran, Thao T. (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S424200, C428S424800
Reexamination Certificate
active
07147923
ABSTRACT:
A flexible window is formed by a multi-layer sheet having a transparent flexible base layer and one or more transparent flexible protective layers, wherein the protective layers have a greater abrasion resistance than the base layer. The base layer and the protective layers are formed of substantially plasticizer-free polymeric materials.
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Hager Patrick J.
Janssen Jeffrey R.
Roberts Gary P.
3M Innovative Properties Company
Little Douglas B.
Tran Thao T.
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