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:
May. 10, 2022
Filed:
Mar. 21, 2019
Applicants:
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Inventors:
Robert Butterick, Swedesboro, NJ (US);
Eric Wasserman, Collegeville, PA (US);
Afua Sarpong Karikari, Bristol, PA (US);
Assignees:
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 11/00 (2006.01); C11D 3/00 (2006.01); C11D 3/37 (2006.01); C11D 1/14 (2006.01);
U.S. Cl.
CPC ...
C11D 11/0017 (2013.01); C11D 1/143 (2013.01); C11D 1/146 (2013.01); C11D 3/0036 (2013.01); C11D 3/3757 (2013.01); C11D 3/3769 (2013.01);
Abstract
A laundry detergent composition comprising an anti-redeposition agent, a surfactant, and optionally a builder, wherein the anti-redeposition agent is a polymer comprising polymerized units of: (a) from 5 to 40 wt % of at least one nitrogen-containing ethylenically unsaturated monomer having at least one pKa value from 6 to 11.5, and (b) from 60 to 95 wt % of at least one ethylenically unsaturated carboxylic acid monomer.