Title:
凝縮した霜から発生させた氷晶の、圧力差による分布を用いた凍結乾燥サイクルの凍結ステップにおける制御された核形成
Document Type and Number:
Japanese Patent JP6389270
Kind Code:
B2
Abstract:
A method of controlling and enhancing the nucleation of product in a freeze dryer, wherein the product is maintained at a predetermined temperature and pressure in a chamber of the freeze dryer, and a predetermined volume of condensed frost is created on an inner surface of a condenser chamber separate from the product chamber and connected thereto by a vapor port. The opening of the vapor port into the product chamber when the condenser chamber has a pressure that is greater than that of the product chamber creates gas turbulence that breaks down the condensed frost into ice crystals that rapidly enter the product chamber for even distribution therein to create uniform and rapid nucleation of the product in different areas of the product chamber.
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| JPS63222433 | FREEZE VACUUM DRYING METHOD |
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Inventors:
Lin, wager
Application Number:
JP2016557074A
Publication Date:
September 12, 2018
Filing Date:
September 18, 2014
Export Citation:
Assignee:
MILLROCK TECHNOLOGY,INC.
International Classes:
F26B5/06
Foreign References:
| WO2014028119A1 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark