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. 30, 2020
Filed:
Mar. 19, 2018
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Sara B. Klamo, Houston, TX (US);
Edward D. Daugs, Midland, MI (US);
Scott Backer, Phoenixville, PA (US);
Severine Ferrieux, Valbonne, FR;
Paul Mercando, Pennsburg, PA (US);
Eric Wasserman, Collegeville, PA (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
An automatic dishwashing composition is provided including a dispersant polymer blend, comprising: an acrylic acid homopolymer; and a copolymer of acrylic acid and a sulfonated monomer; wherein the blend ratio of the acrylic acid homopolymer to the copolymer of 3:1 to 1:3; and a surfactant, wherein the surfactant is a fatty alcohol alkoxylate of formula I: wherein Ris a linear or branched, saturated Calkyl group; Ris a linear saturated Calkyl group; m has an average value of 22 to 42; n has an average value of 4 to 12; wherein m+n is an average value of 26 to 54; wherein the fatty alcohol alkoxylate has an average ethyleneoxy unit concentration per molecule, X, of >45 wt %; and, wherein the fatty alcohol alkoxylate has a ratio, Z, equal to X divided by n, wherein the ratio, Z, is <9.5.