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. 16, 2020
Filed:
Sep. 27, 2016
Applicants:
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Inventors:
Scott Backer, Phoenixville, PA (US);
Severine Ferrieux, Grasse, FR;
Paul Mercando, Pennsburg, PA (US);
Eric P. Wasserman, Collegeville, PA (US);
Assignees:
Rohm and Haas Company, Philadelphia, PA (US);
Union Carbide Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/00 (2006.01); C11D 3/37 (2006.01);
U.S. Cl.
CPC ...
C11D 3/3769 (2013.01); C11D 3/378 (2013.01); C11D 3/3757 (2013.01);
Abstract
A phosphorus-free automatic dishwashing detergent composition comprising 2.5 to 8 wt % of a first polymer comprising polymerized units of: (i) 55 to 85 wt % of a C-Cmonoethylenically unsaturated carboxylic acid, (ii) 2 to 30 wt % of a C-Cmonoethylenically unsaturated dicarboxylic acid and (iii) 2 to 15 wt % of a C-Cmonoethylenically unsaturated tertiary amine; and having Mfrom 2,000 to 100,000.