Use of 2-aminoethanol as additive in aqueous suspensions of calcium carbonate comprising materials
US9293237B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | May 31, 2011 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | May 16, 2032 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/08
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Use of 2-aminoethanol as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.