Process for the preparation of polyacrylamides using an eco-friendly lubricant composition
US11787889B2 · kind B2 · utility
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Key dates
| Filing date | Mar 23, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Mar 23, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2225/0405
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for preparing water-soluble polymers in powder form by polymerization of water-soluble monoethylenically unsaturated monomers comprising the successive steps:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.