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:
Nov. 06, 2012
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
A phosphate-free dishwasher detergent which contains a builder, bleaching agents, and also a) a copolymer comprising i) monomers from the group of mono- or polyunsaturated carboxylic acids; ii) monomers of general formula R(R)C═C(R)—X—R; and iii) optionally further monomers, and b) a nonionic surfactant of general formula R—CH(OH)CHO-(AO)-(A'O)-(A″O)-(A′″O)—R. The detergent has good cleaning and rinsing results which are comparable to those of phosphate-containing dishwasher detergents or even outdo them.