The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 27, 2018
Filed:
May. 09, 2014
Weylchem Wiesbaden Gmbh, Wiesbaden, DE;
Gerd Reinhardt, Kelkheim, DE;
Michael Best, Bad Soden, DE;
Miriam Ladwig, Dietzenbach, DE;
Andreas Schottstedt, Hofheim, DE;
Mathias Groeschen, Waldbrunn-Hintermeilingen, DE;
Sven Gebhard, Liederbach, DE;
WEYLCHEM WIESBADEN GMBH, Wiesbaden, DE;
Abstract
The invention relates to a bleaching-agent co-granule containing a bleach activator, a metal-containing bleach catalyst comprising at least one ligand from the group consisting of di- or trimethyltriazacyclononane and derivatives of these, and a homo- or copolymeric polycarboxylate or its salts or partial neutralizates having a pH in the range from 3 to 9. The bleaching-agent co-granule is obtained in an anhydrous granulating process, preferably by compaction at a temperature below 100° C. The invention also relates to the method of using the bleaching-agent co-granule in dishwasher detergents and to a detergent comprising said bleaching-agent co-granule.