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. 28, 2025
Filed:
Jun. 18, 2021
Rohm and Haas Company, Collegeville, PA (US);
Dow Silicones Corporation, Midland, MI (US);
Scott Backer, Phoenixville, PA (US);
Paul Mercando, Pennsburg, PA (US);
Ashutosh Umarvadia, Horsham, PA (US);
Severine Cauvin, Mons, BE;
Michael C. Mitchell, Norristown, PA (US);
Marianne Creamer, Warrington, PA (US);
Rohm and Haas Company, Collegeville, PA (US);
DOW SILICONES CORPORATION, Midland, MI (US);
Abstract
An automatic dishwashing composition is provided including a builder; a nonionic surfactant; and a dispersant polymer comprising: (a) >60 to <90 wt %, based on weight of the dispersant polymer, of structural units of formula I wherein each Ris independently selected from a hydrogen and a —CHgroup; and (b) >10 to <40 wt %, based on weight of the dispersant polymer, of structural units of formula II wherein each Ris independently selected from the group consisting of a Chydroxyalkyl group and a Calkoxy group; and wherein each Ris independently selected from a hydrogen and a methyl group.