US 12,467,020 B2
Pressed, self-solidifying, solid cleaning compositions and methods of making them
Roger L. Stolte, Saint Paul, MN (US); Michael Peter Dziuk, Saint Paul, MN (US); Melissa C. Meinke, Saint Paul, MN (US); and Matthew C. Porter, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Jul. 27, 2021, as Appl. No. 17/443,493.
Application 17/443,493 is a continuation of application No. 15/604,805, filed on May 25, 2017, granted, now 11,104,869.
Application 15/604,805 is a continuation of application No. 14/517,997, filed on Oct. 20, 2014, granted, now 9,862,915, issued on Jan. 9, 2018.
Application 14/517,997 is a continuation of application No. 12/288,355, filed on Oct. 17, 2008, granted, now 8,894,897, issued on Nov. 25, 2014.
Claims priority of provisional application 60/980,912, filed on Oct. 18, 2007.
Prior Publication US 2021/0355416 A1, Nov. 18, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/10 (2006.01); B28B 1/04 (2006.01); B28B 1/087 (2006.01); B28B 3/02 (2006.01); C11D 1/00 (2006.01); C11D 1/14 (2006.01); C11D 1/29 (2006.01); C11D 1/75 (2006.01); C11D 1/90 (2006.01); C11D 1/94 (2006.01); C11D 3/00 (2006.01); C11D 3/04 (2006.01); C11D 3/08 (2006.01); C11D 3/20 (2006.01); C11D 3/33 (2006.01); C11D 3/37 (2006.01); C11D 7/12 (2006.01); C11D 7/32 (2006.01); C11D 13/16 (2006.01); C11D 13/18 (2006.01); C11D 17/00 (2006.01)
CPC C11D 13/16 (2013.01) [B28B 1/04 (2013.01); B28B 1/087 (2013.01); B28B 3/02 (2013.01); C11D 1/00 (2013.01); C11D 1/14 (2013.01); C11D 1/29 (2013.01); C11D 1/75 (2013.01); C11D 1/90 (2013.01); C11D 1/94 (2013.01); C11D 3/0073 (2013.01); C11D 3/044 (2013.01); C11D 3/08 (2013.01); C11D 3/10 (2013.01); C11D 3/2086 (2013.01); C11D 3/33 (2013.01); C11D 3/3757 (2013.01); C11D 3/3761 (2013.01); C11D 3/3765 (2013.01); C11D 3/378 (2013.01); C11D 13/18 (2013.01); C11D 17/0047 (2013.01); C11D 17/0056 (2013.01); C11D 17/0065 (2013.01); C11D 17/0069 (2013.01); C11D 17/0073 (2013.01); C11D 17/0086 (2013.01); C11D 17/0091 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A flowable self-solidifying solid cleaning composition comprising:
up to about 15 wt-% water;
about 50 wt-% to about 70 wt-% sodium carbonate;
about 1 wt-% to about 5 wt-% sodium bicarbonate;
about 10 wt-% to about 30 wt-% sequestrant, wherein the sequestrant comprises a polymeric polycarboxylate;
about 0.1 wt-% to about 5 wt-% methylglycinediacetic acid or salt thereof; and
about 1 wt-% to about 5 wt-% sodium metasilicate;
wherein the solid cleaning composition is a flowable self-solidifying solid,
wherein the composition comprises less than about 0.5% phosphorous-containing compounds, and
wherein the composition is free of nitrilotriacetic acid and free of an active oxygen compound.