Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2005-08-09
2005-08-09
Chen, Vivian (Department: 1773)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C428S402240, C428S195100, C428S522000, C428S403000, C428S407000, C428S3550AC, C347S105000, C347S106000, C525S902000, C523S201000
Reexamination Certificate
active
06926957
ABSTRACT:
A film receptive to a variety of different classes or kinds of inks, such as water based inks, solvent based inks and UV cured inks. The film includes a water based latex polymer, such as transparent film-forming core/shell latex polymers, a polar polymer, such as polymers having an ionic component to increase the receptivity of the coating to water-based inks, and a surfactant, such as an alkyaryl sulfonate, to prevent agglomeration of the latex polymer before it is formed into film. The preferred latex polymer is a core/shell latex polymer. The preferred polar polymer is chemically compatible with latex polymers and is sufficiently ionic or polar to improve the printability onto the film of water-based inks. The surfactant, which may be in the latex as manufactured or may be added separately, has a molecular structure that includes at least one hydrophobic moiety and at least one anionic group such as sulfates, sulfonates and the like.
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Engel Michael R.
Kausch William L.
Peterson Jeffrey A.
3M Innovative Properties Company
Bodes Carolyn A.
Chen Vivian
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