Coating processes – Applying superposed diverse coating or coating a coated base
Reexamination Certificate
2006-05-23
2006-05-23
Chen, Bret (Department: 1762)
Coating processes
Applying superposed diverse coating or coating a coated base
C427S240000, C427S248100, C427S282000, C427S294000, C204S192100
Reexamination Certificate
active
07048971
ABSTRACT:
Invisible logos may be made by forming a hydrophilic coating and a hydrophobic coating on a substrate surface, so that a portion of the hydrophilic coating and a portion of the hydrophobic coating are exposed. The invisible logos are undetectable to the human eye, but may be temporarily viewed in response to stimuli.
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Amin & Turocy LLP
Chen Bret
Innovation Chemical Technologies, Ltd.
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