COMPOSITIONS INCLUDING HARDNESS IONS AND GLUCONATE AND METHODS EMPLOYING THEM TO REDUCE CORROSION AND ETCH
First Claim
Patent Images
1. A hard surface cleaner comprising surfactant and about 0.01 to about 20 wt-% corrosion inhibitor;
- the corrosion inhibitor comprising;
about 1 to about 98 wt-% water soluble calcium salt and water soluble magnesium salt; and
about 1 to about 60 wt-% gluconate;
wherein the weight ratio of water soluble magnesium salt to water soluble calcium salt is about 1-2;
1-2;
the weight ratio of water soluble magnesium salt to gluconate is greater than 1;
1; and
the weight ratio of water soluble calcium salt to gluconate is about 1-19;
1;
13.
2 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to compositions including a water soluble magnesium salt, water soluble calcium salt, and gluconate, which have a beneficial effect on corrosion during cleaning. The present compositions can reduce corrosion of glass, aluminum, or steel. The present invention also relates to methods employing these compositions.
36 Citations
14 Claims
-
1. A hard surface cleaner comprising surfactant and about 0.01 to about 20 wt-% corrosion inhibitor;
- the corrosion inhibitor comprising;
about 1 to about 98 wt-% water soluble calcium salt and water soluble magnesium salt; and about 1 to about 60 wt-% gluconate; wherein the weight ratio of water soluble magnesium salt to water soluble calcium salt is about 1-2;
1-2;
the weight ratio of water soluble magnesium salt to gluconate is greater than 1;
1; and
the weight ratio of water soluble calcium salt to gluconate is about 1-19;
1;
13. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- the corrosion inhibitor comprising;
Specification