Agglomeration of particulate material mixed prior to addition of polymer
Patent 5100467 Issued on March 31, 1992. Estimated Expiration Date: 
August 16, 2010. 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.
August 16, 2010. 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 ReferencesProcess for agglomerating ore concentrate utilizing clay and dispersions of polymer binders or dry polymer binders Patent #: 4767449 InventorsAssigneeApplicationNo. 568415 filed on 08/16/1990US Classes:75/772, With synthetic polymer, natural polymer, or carbohydrate427/221Resin, rubber, or hardenable oil containing coatingExaminersPrimary: Andrews, MelvynAttorney, Agent or FirmInternational ClassC22B 001/244Foreign Application Priority Data1989-08-18 GBAbstractIron ore particles or other water insoluble non-swellable particulate material is converted into pellets or other agglomerates by mixing with substantially dry binder in the presence of moisture and is then bonded into agglomerates. The binder comprises substantially dry bentonite and particulate polymeric material, and the bentonite is blended with the insoluble particulate material and moisture before addition of the polymeric material. | |
