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US 5,269,815 AGranted
Process for the fluorescent whitening of hydrophobic textile material with disperse fluorescent whitening agents from super-critical carbon dioxide
AssigneeCiba-Geigy Corporation
InventorsWolfgang Schlenker, Dieter Werthemann, Claude Eckhardt
Life of this patent
Estimating the term…
Abstract
A process for the fluorescent whitening of hydrophobic textile materials, especially polyesters, wherein the textile material is treated with disperse fluorescent whitening agents in supercritical CO.sub.2.
Claims25
A process for the fluorescent whitening of a hydrophobic textile material, which comprises treating the textile material with a fluorescent whitening agent in supercritical carbon dioxide.
Dependencies are inferred from the claim text.