Dietary supplementation with essential metal picolinates
Patent 4315927 Issued on February 16, 1982. Estimated Expiration Date: 
August 8, 2000. 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 8, 2000. 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 2974043 Increasing metals in biological tissue Method of nutritional supplementation for zinc and methionine by ingesting 1:1 zinc methionine complexes Biological assimilation of metals Patent #: 4167564 InventorApplicationNo. 06/176234 filed on 08/08/1980US Classes:514/188, Hetero ring is six-membered consisting of one nitrogen and five carbons426/2, TREATMENT OF LIVE ANIMAL426/74PRODUCT WITH ADDED PLURAL INORGANIC MINERAL OR ELEMENT FORTIFICATIONExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassesA23K 1/16 (20060101)A23K 1/175 (20060101) A23L 1/304 (20060101) C07D 213/00 (20060101) C07D 213/79 (20060101) AbstractThe levels of essential metals in the mammalian system can be precisely controlled by administering these metals in the form of exogenously synthesized coordination complexes of picolinic acid. The complexes are characterized by the following structural formula: ##STR1## wherein M represents the metallic cation and n is equal to the cation's valence.Other References
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