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. 05, 2017
Filed:
Aug. 05, 2009
Nadine Warkotsch, Duesseldorf, DE;
Johannes Zipfel, Duesseldorf, DE;
Arnd Kessler, Monheim, DE;
Christian Nitsch, Duesseldorf, DE;
Arno Dueffels, Duesseldorf, DE;
Thomas Holderbaum, Hilden, DE;
Nadine Warkotsch, Duesseldorf, DE;
Johannes Zipfel, Duesseldorf, DE;
Arnd Kessler, Monheim, DE;
Christian Nitsch, Duesseldorf, DE;
Arno Dueffels, Duesseldorf, DE;
Thomas Holderbaum, Hilden, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
Phosphate-free dishwasher detergents which contain a builder, bleaching agents, a nonionic surfactant, and also a) a copolymer comprising i) sulfonic acid group-containing monomers, ii) further ionic and/or nonionic monomers, b) methyl glycine diacetic acid. The detergents according to the invention have good cleaning and rinsing results which are comparable to those of phosphate-containing dishwasher detergents or even outdo them.