| BLANKOPHOR GMBH & CO. KG Patent applications |
| Patent application number | Title | Published |
| 20110126996 | COMPOSITION AND PROCESS FOR WHITENING PAPER - The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press. | 06-02-2011 |
| 20110094694 | FLUORESCENT WHITENING AGENT COMPOSITIONS - The invention relates to a composition suitable for paper brightening, wherein the composition contains one or more specified fluorescent whitening agents with taurine groups. The composition is used for whitening paper, in particular at the wet-end, in the size press or by coating. | 04-28-2011 |