Masking films
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United States of America Patent
Stats
-
May 1, 1990
Grant Date -
N/A
app pub date -
Jan 5, 1989
filing date -
Jan 8, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Masking films, having the advantageous properties of both those masking films having an intermediate adhesive layer and those masking films having a high-adhesion masking layer without an intermediate adhesive layer, include a masking layer which incorporates a cellulose ester component, a polyurethane and one or more colorants selected from dyes and pigments.
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