Freeze dry process and structure

Details Freeze dry process and structure Freeze dry process and structure

1985-03-04

1986-07-01

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 36, 34 92, F26B 506, F26B 300, F26B 1330

Patent

active

045971889

ABSTRACT:
A vacuum-chamber, batch-process, freeze dryer system, of the type usable for pharmaceutical, diagnostic and chemical processing applications, incorporates extensive regulation of a carrier gas injected in minute quantities into an evacuated vacuum chamber and a distribution system which regulates a more even flow over each of a plurality of material holding containers held within the evacuated vacuum chamber of the carrier gas.

REFERENCES:
patent: 3192643 (1965-07-01), Rieutord
patent: 3269025 (1966-08-01), Dryden et al.
patent: 3381746 (1968-05-01), Wiegmann et al.
patent: 3384978 (1968-05-01), Cox
patent: 3672068 (1972-06-01), Wilkison
patent: 3795986 (1974-03-01), Sutherland et al.
patent: 4033048 (1977-07-01), Van Ike
patent: 4178697 (1979-12-01), Sutherland

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