Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Polymeric dye – e.g. – a chromophore pendant from an addition...
Patent
1987-12-31
1990-03-20
Schofer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Polymeric dye, e.g., a chromophore pendant from an addition...
526245, C09B 6910, C08F 1820
Patent
active
049098063
ABSTRACT:
Chromophoric-moiety-containing, polymeric materials, containing at least one fluoroaliphatic radical, which are useful as dyes or colorants for fluorine-containing liquids, as coatings or components of coatings which are colored, light-absorbing, or fluorescing and characteristic properties of fluorocarbon polymers, e.g. chemical inertness and hydrophobicity; and a method of detecting leaks in normally sealed devices, e.g. electronic devices, using a coating which includes the polymeric material, and a bath of a fluorine-containing liquid in which the coating is soluble.
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Kirn Walter N.
Maki Eloise J.
Minnesota Mining and Manufacturing Company
Sarofin N.
Schofer Joseph L.
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