Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Patent
1993-09-09
1996-01-09
Willis, Jr., Prince
Bleaching and dyeing; fluid treatment and chemical modification
Bleaching
Chemical
8107, 81081, 8109, 81161, 8194, 8196, 8181, 8648, 252 87, 25230121, 162 72, 162 74, 162 76, 162 79, D06L 312, D21C 100
Patent
active
054825148
ABSTRACT:
The present invention relates to the addition of photosensitising compounds to woodpulps and mixtures thereof for enhancing their whiteness, brightness and chromaticity, as well as to the paper making fibres so obtained and the use thereof.
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Ciba-Geigy Corporation
Diamond Alan D.
Dohmann George R.
Willis Jr. Prince
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