US PATENT SUBCLASS 62 / 76
.~ With preliminary refrigerant manufacturing
Current as of:
June, 1999
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62 /
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REFRIGERATION
56
DF
PROCESSES
{28}
76
.~ With preliminary refrigerant manufacturing
DEFINITION
Classification: 62/76
(under subclass 56) Processes which includes producing a refrigerant and introducing it into a refrigerating system.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4, for processes and apparatus utilizing the endothermic action of a chemical reaction or the dissolving of a solid.
114, for processes employing diverse materials or a particular refrigerant in a refrigeration operation.
330, for related apparatus.
SEE OR SEARCH CLASS
252, Compositions, 67+, 70 and 71 for compositions and related processes of making them.
