Patent · US Active

Device and method for freeze-drying

US12146709B2 · kind B2 · utility

0Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2019
Grant dateNov 19, 2024
Priority date
Expiry dateAug 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.