Particle containing at least a volatile substance and process for its preparation
US10933023B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2017 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Sep 19, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/621
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is directed to a particle containing at least a volatile substance comprising a core comprising at least one matrix material and the at least one volatile substance and at least one coating layer, whereby a first coating layer is a non-confluent layer comprising at least a carrier material, whereby optionally the non-confluent layer contains at least one hydrophobic substance, and optionally the particle is surrounded by at least one confluent layer and/or further non-confluent layer(s) as well as to a process for producing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.