Class 34/320 - With pressurized atmosphere

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the pressure within the treating vessel
No. of patents: 4
Last issue date: 12/20/2011

Number	Title	Issue Date
8079158	Process for separating and drying thermoplastic particles under high pressure A process for feeding a slurry of thermoplastic synthetic polymer particles such as polyethylene terephthalate homopolymers and copolymers in combination with a liquid such as water at a liquid temperature greater than the normal boiling point of the liquid, under a...	12/20/2011
6605474	Method and apparatus for determining temperature of and controlling the evaporation of liquid samples A method is described for evaporating liquid samples contained in sample holders mounted within a chamber and rotated by the rotor during an evaporation process in which the pressure in the chamber is reduced below atmospheric and the sample holders are r...	08/12/2003
6286524	Wafer drying apparatus and method with residual particle removability enhancement A wafer dry cleaning method and apparatus capable of eliminating or suppressing adhesion of dust and particles on dried wafer surfaces while minimizing generation of water marks thereon. To achive this, the wafer dryer apparatus is configured including a ...	09/11/2001
5771601	Process for the dewatering of coal and mineral slurries Coal or other mineral slurry is dewatered by establishing a bed of the slurry and injecting a gas stream such as air into the bed to establish turbulent flow to strip moisture. This slurry may use particles in the range 0.5 mm to 30 mm with air injected a...	06/30/1998

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