BLANKOPHOR GMBH & CO.KG
BLANKOPHOR GMBH & CO.KG Patent applications | ||
Patent application number | Title | Published |
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20140034258 | FLUORESCENT WHITENING AGENT COMPOSITIONS - The invention relates to a composition suitable for optically whitening paper or board, wherein the composition contains specified bis-triazinylamino-stilbene fluorescent whitening agents with carboxylic acid and/or sulfonic acid groups. The composition can be used for whitening paper in the pulp, size press or by coating. | 02-06-2014 |