Patent application number | Description | Published |
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 |
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 |
20120199302 | DISULFO-TYPE FLUORESCENT WHITENING AGENT COMPOSITIONS - The present invention relates to fluorescent whitening agent compositions containing at least two specific disulfo-type fluorescent whitening agents for optically whitening paper or board. | 08-09-2012 |
20120211188 | DISULFO-TYPE FLUORESCENT WHITENING AGENTS - Concentrated aqueous fluorescent whitening agent preparations are disclosed for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent. | 08-23-2012 |
20120214011 | DISULFO-TYPE FLUORESCENT WHITENING AGENTS IN COATING APPLICATIONS - Disulfo-type fluorescent whitening agents for optically brightening coating slips contain a synthetic binder and a different synthetic co-binder. In addition, a coating slip and its use for preparing coated papers are disclosed. | 08-23-2012 |
20130126117 | 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 a combination of specific terminal groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press. | 05-23-2013 |
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 |