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Bulk freeze drying using spray freezing and agitated drying with dielectric heating
专利权人:
IMA LIFE NORTH AMERICA INC.
发明人:
Arnab Ganguly,Francis W. Demarco,Ernesto Renzi,David Debo
申请号:
US15573718
公开号:
US10465985B2
申请日:
2016.05.25
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A freeze dryer processes aseptic bulk powder products. The freeze dryer freezes the product by mixing an atomized spray of product with sterile liquid nitrogen to produce a frozen powder. The frozen powder is freeze dried in a vessel by dielectrically heating the frozen powder using electromagnetic radiation such as microwave radiation or infrared radiation, and the frozen powder is continuously agitated using a sterilizable apparatus such as a series of vibrating shelves to maintain even heating and to prevent agglomeration.
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