BLANKOPHOR GMBH & CO. KG Patent applications |
Patent application number | Title | Published |
20160060814 | Use of Micronized Cellulose and Fluorescent Whitening Agent for Surface Treatment of Cellulosic Materials - A combination of micronized cellulose and fluorescent whitening agents for surface treatment of cellulosic sheet-formed materials, e.g. paper, board or cotton fabric, and to preparations including the micronized cellulose and the fluorescent whitening agents. The combination enables improved fluorescent whitening and optical brightening of the cellulosic materials. | 03-03-2016 |
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 |
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 |
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 |
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 |
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 |