Biological assimilation of metals
Patent 4167564 Issued on September 11, 1979. Estimated Expiration Date: 
September 11, 1996. 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.
September 11, 1996. 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 2982690 3168541 3367834 3463858 3466312 InventorAssigneeApplicationNo. 05/508067 filed on 09/23/1974US Classes:514/6Heavy metal containing (e.g., hemoglobin, etc.)ExaminersPrimary: Waddell, Frederick E.Attorney, Agent or FirmInternational ClassesA61K 38/01 (20060101)A61K 31/185 (20060101) A61K 31/30 (20060101) A61K 31/295 (20060101) A61K 31/315 (20060101) A61K 31/195 (20060101) A61K 31/28 (20060101) A61K 31/40 (20060101) A61K 31/415 (20060101) A61K 31/403 (20060101) A61K 31/405 (20060101) A61K 31/555 (20060101) AbstractA method for improving the stability of amino acid-metal complexes or chelates and enhancing the uptake of these complexes into biological tissues. This method comprises forming the metal complexes with amino acids or hydrolyzed proteins and incorporating into them a buffer system which controls the pH of the complex and its surrounding media. This uptake is accomplished by the system of amino acid active transport into the blood stream from which the complex is then carried throughout the entire body.Other References
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