Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Reexamination Certificate
2008-02-25
2008-12-23
Chen, Vivian (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
C428S412000, C428S480000, C525S437000, C525S444000, C525S448000, C528S302000, C528S305000, C528S307000, C528S308000, C528S308600
Reexamination Certificate
active
07468204
ABSTRACT:
Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.
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Chien Bert T.
Denker Martin E.
Derks Kristopher J.
Hebrink Timothy J.
Johnson Matthew B.
3M Innovative Properties Company
Chen Vivian
Pralle Jay R.
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