Organic compounds
US11351096B2 · kind B2 · utility
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1References
19Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 6, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Mar 6, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/594
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a process for preparing an encapsulated fragrance composition. The composition comprises a plurality of microcapsules dispersed in a dispersion medium. The microcapsules comprise a core and a shell around the core. The process comprises the consecutive steps of: The process comprises the additional step of adding a polyisocyanate (B), which is different from polyisocyanate (A).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.