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Aqueous suspensions of calcium carbonate-comprising materials with low deposit built up
US9105372B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105372-B2 |
| Application number | US-201214240824-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 6, 2012 |
| Priority date | Nov 11, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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The present invention concerns an anti-deposit additive and a deposit and/or corrosion reducing aqueous slurry containing a calcium carbonate containing material. In particular, the present invention is directed to the use of at least one anionically charged comb polymer as an anti-deposit agent in an aqueous slurry comprising a calcium carbonate containing material.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of making a slurry comprising a calcium carbonate containing material comprising introducing at least one anionically charged comb polymer as an anti-deposit agent in an aqueous slurry comprising a calcium carbonate containing material, wherein the at least one anionically charged comb polymer has a specific charge from −10 C/g to −250 C/g at pH 8, wherein the electrical conductivity of the slurry comprising the at least one anionically char…
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Classifications
- H01B1/125Primary
Electricity · 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 US9105372B2 cover?
- The present invention concerns an anti-deposit additive and a deposit and/or corrosion reducing aqueous slurry containing a calcium carbonate containing material. In particular, the present invention is directed to the use of at least one anionically charged comb polymer as an anti-deposit agent in an aqueous slurry comprising a calcium carbonate containing material.
- Who is the assignee on this patent?
- Omya Int Ag
- What technology area does this patent fall under?
- Primary CPC classification H01B1/125. Mapped technology areas include Electricity.
- 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).