https://patents.google.com/patent/WO1996029556A1
WO1996029556A1 - Freeze-drying process and apparatus - Google Patents
A freeze-drying process includes a freezing step of rotating the vial (1) about its longitudinal axis at a speed not less than that required to maintain by...
freeze drying processapparatusgooglepatents
https://birck.research.purdue.edu/press/purdue-research-hub-to-transform-freeze-drying-process-used-to-make-lifesaving-drugs-preserve-food/
Purdue research hub to transform freeze-drying process used to make lifesaving drugs, preserve food...