Method and composition for reducing silica based evaporator scaling
US-2017009354-A1 · Jan 12, 2017 · US
Acidic compositions including reducing agents for scale and decolorization of metal stains
US9103038B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9103038-B2 |
| Application number | US-201213482289-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 29, 2012 |
| Priority date | May 29, 2012 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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An acidic destaining composition for removing hard water and metal stains is disclosed. The composition comprises an acid in combination with a reducing agent and may preferably be formulated as a solid.
First claim
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What is claimed is: 1. An acidic metal stain removal/decolorization composition comprising: from about 0.01% to about 40% by weight of an organic or inorganic acid; from about 10% to about 50% by weight of a solidification agent; from about 0.0001% to about 10% by weight of a defoamer; and from about 0.01% to about 10% by weight of a reducing agent with the remainder being water; wherein the composition provides an aqueous solution of a pH less than 7.…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9103038B2 cover?
- An acidic destaining composition for removing hard water and metal stains is disclosed. The composition comprises an acid in combination with a reducing agent and may preferably be formulated as a solid.
- Who is the assignee on this patent?
- Mohs Thomas R, Bergerson Jennifer, Ecolab Usa Inc
- What technology area does this patent fall under?
- Primary CPC classification C23F14/02. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).