Method of obtaining a lyophilized product

Details Method of obtaining a lyophilized product Method of obtaining a lyophilized product

1980-03-17

1981-10-20

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

62 60, F26B 506

Patent

active

042952808

ABSTRACT:
A mixture of at least two liquid compositions, each having a material which is incompatible in the presence of moisture with a material in the other liquid composition, is cooled to a temperature slightly above its freezing point. The cooled mixture is charged into a container cooled substantially below the freezing point of the mixture so the mixture freezes instantly. The frozen mixture is lyophilized to provide a mass of dry matter.

REFERENCES:
patent: 2803888 (1957-08-01), Cerletti
patent: 3269905 (1966-08-01), Damaskus et al.
patent: 3579360 (1971-05-01), Rey et al.
patent: 3616543 (1971-11-01), Barclay
patent: 3862302 (1975-01-01), Price et al.
patent: 3932943 (1976-01-01), Briggs et al.
patent: 4001944 (1977-01-01), Williams
patent: 4060911 (1977-12-01), Weiler et al.
patent: 4162003 (1979-07-01), Bartos et al.

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