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:
Jan. 10, 2012
Filed:
May. 20, 2010
Applicants:
Tanja Seebeck, Bensheim, DE;
Juergen Tropsch, Roemerberg, DE;
Lars Kissau, Wachenheim, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/37 (2006.01); C11D 1/66 (2006.01); C11D 3/33 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phosphate-free detergent formulation for machine dishwashing is provided. The formulation contains as main components: copolymers of a monoethylenically unsaturated monocarboxylic acid and/or of a salt thereof, and an alkoxylated, monoethylenically unsaturated monomer, wherein the copolymer has a mean molecular weight Mof from 30 000 to 500 000 g/mol and a K value of from 40 to 150, measured at pH 7 in 1% by weight aqueous solution at 25° C.; complexing agents; low-foaming nonionic surfactants; bleaches and, optionally, bleach activators; further builders; enzymes; and one or more further additives.