Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Fluorescent dye – e.g. – stilbene – benzimidazole – benzoxazole,...
Reexamination Certificate
2005-08-30
2005-08-30
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...
C162S162000, C510S301000, C510S349000
Reexamination Certificate
active
06936078
ABSTRACT:
The invention relates to a fluorescent brightener pigment and the use of said pigment, which is derived from formaldehyde, for improving the whiteness of paper or textiles, or for incorporation in detergent compositions.
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Bischof Peter
Hutter Christiane
Puebla Claudio
Albemarle Corporation
Ciba Specialty Chemicals Corp.
Einsmann Margaret
Mansfield Kevin T.
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