(under subclass 768) Process in which the cake or its solid constituent is destroyed or removed from the liquid fraction thereof.
(1) Note. Process which recite a nominal step of waste treatment, i.e., dewatering in combination with an incineration step are not proper for this subclass and are provided for in subclass 346 of Class 110. However, processes which provide significant steps of liquid treatment in combination with an incineration step are appropriate for this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
656, for a chromatograph process.
SEE OR SEARCH CLASS
110, Furnaces,
346, for processes of burning of solids which may include a nominal step of separation; and subclasses 219+ for apparatus provided with means for conditioning refuse to be incinerated prior to burning. 208, Mineral Oils: Processes and Products,
8, and 11 for the separation of mineral oils from solid natural sources (rock, shale, etc.).
423, Chemistry of Inorganic Compounds, appropriate subclasses for extracting, leaching, or dissolving processes therein provided for; and
658.5, for extracting, leaching, or dissolving processes not otherwise provided for.
