Method for controlling wet film thickness of clear coatings by means of color-dissipating dye
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United States of America Patent
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-
Dec 3, 2002
Grant Date -
Feb 28, 2002
app pub date -
May 10, 2001
filing date -
Dec 22, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for controlling uniformity of applied film thickness of clear protective coatings by means of a color-dissipatable dye additive which dissipates within a reasonable timeframe, generally from hours to a few days, leaving the applied film with no evidence of its use during the application phase. The color additives temporarily impart color to an otherwise clear coating, and subsequently dissipate over a short period of time. An embodiment of this technology includes the addition of a compatibilizer carrier solution to increase the ease of measuring the dye for addition to the clear coating.
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