Multibranched acid terminated oligomers of itaconic acid including vinylidine unsaturations
US12415888B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Jan 29, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed at multibranched acid terminated oligomers of itaconic acid. Such multibranched acid terminated oligomers also contain six or more vinylidine groups providing unsaturations that can then be relied upon for subsequent Michael nucleophilic addition type reactions. The subject oligomers have particular use for treatment of damaged hair or skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.