Process for the preparation of microcapsules
US12220677B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2019 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of microcapsules, in particular isocyanate-based microcapsules with improved stability to carboxylic acid and aldehyde-containing active ingredients as core material. In addition, the present invention relates to microcapsules obtainable by the process according to the invention. In addition, the present invention relates to microcapsules, suspensions of such microcapsules, and the use of the microcapsules and suspensions as a component in detergents, fabric softeners, cleaning products, scent boosters (fragrance enhancers) in liquid or solid form, cosmetics, personal care products, agricultural products, or pharmaceutical products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.