US 12,371,639 B2
Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use
Carter M. Silvernail, Saint Paul, MN (US); Erik C. Olson, Saint Paul, MN (US); Michel M. Lawrence, Saint Paul, MN (US); Richard D. Johnson, Saint Paul, MN (US); and Steven J. Lange, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Nov. 21, 2023, as Appl. No. 18/516,685.
Application 18/516,685 is a continuation of application No. 17/303,682, filed on Jun. 4, 2021, granted, now 11,859,155.
Application 17/303,682 is a continuation of application No. 15/974,130, filed on May 8, 2018, granted, now 11,053,458, issued on Jul. 6, 2021.
Application 15/974,130 is a continuation of application No. 14/260,901, filed on Apr. 24, 2014, granted, now 9,994,799, issued on Jun. 12, 2018.
Application 14/260,901 is a continuation in part of application No. 13/965,339, filed on Aug. 13, 2013, granted, now 9,023,784, issued on May 5, 2015.
Application 14/260,901 is a continuation in part of application No. 13/614,020, filed on Sep. 13, 2012, granted, now 8,871,699, issued on Oct. 28, 2014.
Prior Publication US 2024/0150676 A1, May 9, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/36 (2006.01); C11D 3/04 (2006.01); C11D 3/08 (2006.01); C11D 3/20 (2006.01); C11D 3/37 (2006.01); C11D 3/39 (2006.01)
CPC C11D 3/365 (2013.01) [C11D 3/044 (2013.01); C11D 3/08 (2013.01)] 20 Claims
 
1. A detergent composition comprising:
a phosphinosuccinic acid adduct comprising a phosphinosuccinic acid and mono-, bis- and oligomeric phosphinosuccinic acid adducts;
an alkalinity source comprising an alkali metal hydroxide, metasilicate, and/or silicate; and
an oxidizing agent comprising a chlorine, a hypochlorite and/or a chloramine, wherein a use solution of the detergent composition comprises about 1 ppm to about 2,000 ppm of the phosphinosuccinic acid adduct and from about 100 ppm to about 20,000 ppm of the alkalinity source and has a pH between about 10 and 13.5.