Process for the purification of industrial effluents
Patent 4079001 Issued on March 14, 1978. Estimated Expiration Date: 
March 14, 1995. 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.
March 14, 1995. 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 the purification of industrial effluents Polyamidepolyamine and polyanionic polymer pretreated non-cellulosic carrier adsorption agents Patent #: 3997483 InventorsAssigneeApplicationNo. 05/610791 filed on 09/05/1975US Classes:210/679, Utilizing exchange or sorbent material associated with inert material210/502.1, Sorptive component containing210/911, Cumulative poison210/928PAPER MILL WASTE (E.G., WHITE WATER, BLACK LIQUOR, ETC.) TREATEDExaminersPrimary: Wyse, Thomas G.Attorney, Agent or FirmForeign Application Priority Data1974-09-13 CHAbstractA process for the purification of industrial effluents which comprises bringing said effluents into contact with an adsorption material which contains a carrier that is pretreated with a precipitate of a basic nitrogenous polymeric compound with an activated clay mineral. | |
