Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Protective layer
Reexamination Certificate
2007-05-01
2007-05-01
Chen, Vivian (Department: 1773)
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Protective layer
C428S040100, C428S141000, C428S195100, C428S323000, C428S337000, C428S339000, C428S343000, C428S480000, C428S483000, C428S522000, C428S910000, C525S165000, C525S166000, C525S175000, C525S191000, C525S203000, C525S206000, C525S221000, C525S222000, C525S231000, C525S238000
Reexamination Certificate
active
10541234
ABSTRACT:
An antistatic film having an antistatic coating film on at least one surface of a polyester film, the antistatic coating film comprising a polymer having a polymerized unit represented by the following formula (1):wherein R1and R2each independently represent a hydrogen atom or a methyl group, R3represents an alkylene group having 2 to 10 carbon atoms, R4and R5each independently represent an alkyl group having 1 to 5 carbon atoms, R6represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or a hydroxyalkyl group having 2 to 10 carbon atoms, and Y−represents a halogen ion, a halogenated alkyl ion, a nitrate ion, a sulfate ion, an alkyl sulfate ion, a sulfonate ion or an alkyl sulfonate ion. The film is used in such applications requiring an antistatic property such as a protective film for a liquid crystal polarizing plate.
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Asada Takeshi
Kitazawa Satoshi
Kubo Koji
Watamabe Shigeyuki
Chen Vivian
Teijin Dupont Films Japan Limited
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