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:
Sep. 18, 2012
Filed:
Jun. 15, 2011
Dorota Sendor-muller, Dusseldorf, DE;
Johannes Zipfel, Dusseldorf, DE;
Arnd Kessler, Monheim am Rhein, DE;
Christian Nitsch, Dusseldorf, DE;
Sven Muller, Duisburg, DE;
Dorota Sendor-Muller, Dusseldorf, DE;
Johannes Zipfel, Dusseldorf, DE;
Arnd Kessler, Monheim am Rhein, DE;
Christian Nitsch, Dusseldorf, DE;
Sven Muller, Duisburg, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
The invention relates to a phosphate- and bleach-free automatic dishwashing agent containing: a) 5 to 60 wt % citrate, b) (hydrogen) carbonate, c) 2 to 40 wt % ethylenediamine disuccinic acid, wherein the weight ratio of the components b) and c) is between 1:5 and 10:1, and wherein said automatic dishwashing agent is characterized by good cleaning performance, particularly improved cleaning of tea.