Class 432/70 - At regenerator or recuperator (e.g., slag pocket, etc.)

Subclass of Class 432 - Heating
Definition: Apparatus in which the separator is positioned in a gas
No. of patents: 2
Last issue date: 05/06/1986

Number	Title	Issue Date
4587020	Chromatographic plate A chromatographic plate comprising a support having a plurality of linear grooves engraved on the rear is disclosed. Each of said grooves have a uniform depth of a half or less as large as the thickness of the support and serves to guide a cutter. After t...	05/06/1986
4323384	Preheater for compacted vitrifiable material A preheater in the form of a vertical column for treating a vitrifiable composition introduced into the column at the top and which moves through the column by the force of gravity. The vitrifiable composition, which ultimately moves from the column to fe...	04/06/1982

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