Process of extraction of lactoferrine and immunoglobulins of milk
Patent 4436658 Issued on March 13, 1984. Estimated Expiration Date: 
May 12, 2002. 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.
May 12, 2002. 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 3234199 3487064 3547900 Chromatographic fractionation of whey Ultrafiltration process for the recovery of proteins from milk Method of separating proteins by ion exchange Process for extracting proteins from milk using silica and anion exchange resins Whey protein recovery WITHDRAWN Patent #: 4291067 InventorsAssigneeApplicationNo. 06/377316 filed on 05/12/1982US Classes:530/387.1, Immunoglobulin, antibody, or fragment thereof, other than immunoglobulin antibody, or fragment thereof that is conjugated or absorbed426/271, INVOLVING ION EXCHANGE, SEQUESTERING OR CHELATING MATERIAL426/657, From animal530/366, Separation, purification or synthesis530/395, Glycoprotein, e.g., mucins proteoglycans, etc.530/400, Metal containing, e.g., chromoproteins, ferritin, ferredoxins, etc.530/415, Selective absorbtion, e.g., Ca phosphate sorbents, etc.530/832Milk; colostrumExaminersPrimary: Schain, Howard E.Attorney, Agent or FirmInternational ClassesA23J 1/20 (20060101)A23J 1/00 (20060101) Foreign Application Priority Data1981-05-15 FRAbstractFrom an aqueous medium derived from milk substantially free from caseins, proteins are extracted, particularly lactoferrine and immunoglobulins, by adsorption on a solid support. The aqueous medium is weakly basic, while elution is effected by means of an acid solution.Other References
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