Multi-acid multi-base graft copolymer dispersants
US9718984B2 · kind B2 · utility
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6References
12Claims
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Key dates
| Filing date | Sep 5, 2014 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Sep 5, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition comprising particulate solid, an organic medium and a dispersant comprising a polyacrylic copolymer functionalized with a polyether and reacted with an aminic polybasic species.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.