Patent ID: 11906464
Assignee: ATONARP INC.
Field: Measurement (Instruments)
Classification: CPC G  F  H | IPC F  G

Claim 4:
5. A non-transitory computer readable medium storing a program product configured to be performed by a system controller of a lyophilization system that includes:
a chamber for freeze drying a product;
a vacuum unit for placing the chamber at a negative pressure;
a gas supplying unit for supplying a gas for pressurization purposes to the chamber; and
a line for supplying at least a part of exhaust gas from the chamber to a sensor for gas analyzing,
the program product, when executed, causes the system controller to perform a process of monitoring an amount of moisture in the exhaust gas using the sensor and measuring an end point of freeze-drying process performed in the chamber by a ratio of the amount of moisture to a flow rate of the gas for pressurization purposes to the chamber.