Environmentally friendly histological tissue freezing process

Details Environmentally friendly histological tissue freezing process Environmentally friendly histological tissue freezing process

1991-10-18

1994-03-01

Makay, Albert J.

Refrigeration

Processes

Treating an article

62293, 62320, 62114, 128DIG27, F25D 1702

Patent

active

052896897

ABSTRACT:
histological tissue freezing process is provided. The process includes spraying a chemical, tetrafluoroethane, onto a portion of a histological tissue specimen before sectioning thereof. The use of tetrafluoroethane has the advantages of not causing ozone depletion, reduced global warming potential and producing a colder spray. A spray can for spraying the chemical is also provided.

REFERENCES:
patent: 3462969 (1969-08-01), Grasenick et al.
patent: 4865028 (1989-09-01), Swart
patent: 5023007 (1991-06-01), Grava et al.
patent: 5042261 (1991-08-01), Yeakel et al.

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