Apparatus for coating small solids
Patent 5198029 Issued on March 30, 1993. Estimated Expiration Date: 
February 19, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 19, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2494337 3004861 3886895 Apparatus for the continuous production and coating of granulates in fluidized layer Apparatus for the thermal conversion of gypsum Horizontal fluid bed retorting process Method for coating phosphor particles Patent #: 4585673 InventorsAssigneeApplicationNo. 839744 filed on 02/19/1992US Classes:118/303, Coating moving mass of solid particulate work34/589, With plural treating zones or compartments118/716, Means to coat or impregnate particulate matter422/142Sequentially arrangedExaminersPrimary: Chiesa, Richard L.Attorney, Agent or FirmInternational ClassB05C 005/00AbstractThe present invention is directed to an apparatus useful for fluidizing small particulate solids having a diameter of less than about 50 microns in average particle size, and at least partially enveloping these small solids with a coating material or a precursor thereto. The basis apparatus of this invention includes a cross-current multi-stage fluid bed reactor having N fluid beds in flow communication with one another, wherein Nࣙ2.Other References
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