Ultra - rapid plasma freezing with halocarbon heat transfer liqu

Details Ultra - rapid plasma freezing with halocarbon heat transfer liqu Ultra - rapid plasma freezing with halocarbon heat transfer liqu

1987-02-09

1988-03-15

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62114, 252 67, F25D 1702

Patent

active

047304600

ABSTRACT:
Ultra rapid freezing of thin wall containers, preferably plastic bags or bottles, of blood plasma by direct contact with a low freezing temperature liquid mixture of a chlorofluorocarbon (CFC 113) and at least one of a group of fluorocarbons minimizes migration of toxins in the heat transfer liquid to the plasma and improves the percentage yield of blood soluble protein fractions extracted from the frozen plasma in a subsequent freeze drying process.

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patent: 4465610 (1984-08-01), Enjo et al.
patent: 4680939 (1987-07-01), Rojey et al.

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