Patent · US Active

Lyophilization system and method

US9651305B2 · kind B2 · utility

4Cited by
8References
8Claims
0Family size

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Key dates

Filing dateNov 17, 2015
Grant dateMay 16, 2017
Priority date
Expiry dateNov 17, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P37/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

System and method for lyophilization or freeze-drying is provided. During the freezing step, the material or solution to be frozen is initially brought to a temperature near or below its freezing temperature after which the pressure in the freeze-dryer chamber is reduced to induce nucleation of the material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.