Device and method for freeze-drying
US12146709B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2019 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Aug 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2223/6677
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a device and a method for freeze-drying products, wherein products are arranged in a drying chamber (2) for a freeze-drying process, wherein energy is supplied to the products arranged in the drying chamber (2) by means of microwaves at least during some parts of the freeze-drying process, and wherein the microwaves are generated by at least one microwave module (6) based on semiconductor technology. The invention also relates to the use of a microwave module (6) based on semiconductor technology in a freeze-drying process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.