Refrigeration – Cooled enclosure – Portable receptacle
Patent
1981-07-15
1983-03-22
Capossela, Ronald C.
Refrigeration
Cooled enclosure
Portable receptacle
62 78, 435284, F25D 308
Patent
active
043770770
ABSTRACT:
An enclosed device and method for controlled freezing of cell cultures, especially eucaryotic cell cultures, contained in cell culture vials by means of a conventional freezer includes a container and top, a supporting grid and supporting grid base within the container for supporting the cultire vials and a compatible liquid refrigerant in a volume of at least fifteen times the culture volume and at a level to totally immerse all of the cultures to be frozen. Compatible liquid refrigerants include the straight chain aliphatic alcohols, preferrably ethanol and methanol.
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"Instructions for BF-5 Biological Freezer", Form 11-361-B, Mar. 1975, pp. 1-4.
"Planer Mini-Freezer R202/200R", Advertising Literature, four pp., undated.
Biotech Research Laboratories, Inc.
Capossela Ronald C.
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