Method for preparation of acetoacetylated polyols
US11802104B2 · kind B2 · utility
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5References
9Claims
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Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention discloses a method for preparation of an acetoacetylated polyol by reaction of a polyol with deketene in the presence of a base and in the absence of a solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.