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:
Oct. 08, 2013
Filed:
Mar. 13, 2012
Dorota Sendor-muller, Dusseldorf, DE;
Johannes Zipfel, Dusseldorf, DE;
Arnd Kessler, Monheim am Rhein, DE;
Volker Blank, Leverkusen, DE;
Thorsten Bastigkeit, Wuppertal, DE;
Christian Nitsch, Dusseldorf, DE;
Thomas Eiting, Dusseldorf, DE;
Dorota Sendor-Muller, Dusseldorf, DE;
Johannes Zipfel, Dusseldorf, DE;
Arnd Kessler, Monheim am Rhein, DE;
Volker Blank, Leverkusen, DE;
Thorsten Bastigkeit, Wuppertal, DE;
Christian Nitsch, Dusseldorf, DE;
Thomas Eiting, Dusseldorf, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
The present invention is a phosphate-free automatic dishwashing agent containing a builder, said agent comprising: a) a copolymer A comprising i) at least one mono- or polyunsaturated carboxylic acid monomer, ii) at least one mono- or polyunsaturated sulfonic acid monomer, and iii) at least one additional nonionic monomer; and b) an acrylic acid homopolymer B, wherein the weight ratio of copolymer A to homopolymer B is between 10:1 and 1:3. The present agent is characterized by excellent residue inhibition, good cleaning, and clear rinsing performance in automatic dishwashing.