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:
Jun. 05, 2012
Filed:
Aug. 28, 2006
Tanja Seebeck, Bensheim, DE;
Juergen Tropsch, Roemerberg, DE;
Lars Kissau, Wachenheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to a phosphate-free cleaning formulation for machine dishwashing, comprising as components: a) 1 to 20% by weight of copolymers of a1) 50 to 93 mol % acrylic acid and/or of a water-soluble salt of acrylic acid, a2) 5 to 30 mol % of methacrylic acid and/or of a water-soluble salt of methacrylic acid and a3) 2 to 20 mol % of at least one nonionic monomer of the formula (I), b) 1 to 50% by weight of complexing agents chosen from the group consisting of glycine-N,N-diacetic acid derivatives and glutamic acid-N,N-diacetic acid and salts thereof, c) 1 to 15% by weight of low-foaming nonionic surfactants, d) 0 to 30% by weight of bleaches and optionally bleach activators, e) 0 to 60% by weight of further builders, f) 0 to 8% by weight of enzymes, g) 0 to 50% by weight of one or more further additives, such as anionic or zwitterionic surfactants, bleach catalysts, alkali carriers, corrosion inhibitors, antifoams, dyes, fragrances, fillers, organic solvents and water, where the sum of components a) to g) is 100% by weight.