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:
Mar. 05, 2024
Filed:
Oct. 08, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Scott Backer, Phoenixville, PA (US);
Marianne Creamer, Warrington, PA (US);
Randara Pulukkody, Landsdale, PA (US);
Severine Ferrieux, Grasse, FR;
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
An automatic dishwashing composition is provided including a builder; a phosphonate; a nonionic surfactant; and a dispersant polymer, comprising: structural units of formula I wherein each Ris independently selected from a hydrogen and a —C(O)CHgroup; and structural units of formula II wherein each Ris independently selected from a hydrogen and a —CHgroup; and wherein the automatic dishwashing composition contains ≤0.1 wt % of dispersant polymer having a lactone end group and wherein the dispersant polymer has a weight average molecular weight of 1,500 to 10,000 Daltons.