(under the class definition) Subject matter in which a refrigeration effect is produced by (1) a chemical reaction or (2) the dissolving of a solid in a liquid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
76, for processes involving preliminary manufacturing of a refrigerant, e.g., forming a brine, cooling and utilizing it.
330, for apparatus for manufacturing a refrigerant.
SEE OR SEARCH CLASS
126, Stoves and Furnaces,
263.01+, for a chemical reaction heater and see the Notes thereto. 206, Special Receptacle or Package,
219+, for a combination package including a rupturable partition.
