Magnetic separation method
Patent 4330399 Issued on May 18, 1982. Estimated Expiration Date: 
January 2, 2001. 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.
January 2, 2001. 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 3180691 3503504 3730201 Method of making available fuels from arctic environments Process and apparatus for separating magnetic particles within an ore Patent #: 4239619 InventorAssigneeApplicationNo. 06/222158 filed on 01/02/1981US Classes:209/214, Processes209/11, WITH HEAT TREATMENT209/232, Fluid suspension44/280, SOLID CARBONACEOUS FUEL DISPERSED IN A LIQUID MEDIUM (E.G., DISPERSED COAL, COKE, CARBON POWDER, PEAT, ETC.)505/933In liquid slurryExaminersPrimary: Hill, Ralph J.Attorney, Agent or FirmInternational ClassesB03C 1/033 (20060101)B03C 1/00 (20060101) B03C 1/02 (20060101) Foreign Application Priority Data1980-01-10 NLAbstractA method of separating more magnetic particles from less magnetic particles, contained in a fluid medium which is subjected to a magnetic field, in which as fluid liquified gas is used. | |
