Zeolite particles retaining silver ions having antibacterial properties
Patent 4911898 Issued on March 27, 1990. Estimated Expiration Date: 
December 28, 2008. 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.
December 28, 2008. 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 2008131 2512053 2595290 2882243 2882244 3013985 3268444 3382039 3406123 Dry method for recycling iodine-loaded silver zeolite InventorsAssigneeApplicationNo. 301909 filed on 12/28/1988US Classes:423/700, ZEOLITE424/618, Silver604/360Containing inhibitor to ammonia or bacteria formationExaminersPrimary: Doll, JohnAssistant: Breneman, R. Bruce Attorney, Agent or FirmInternational ClassC01B 033/28Foreign Application Priority Data1983-01-21 JPAbstractZeolite particles retaining silver ions having bacteriostatic properties on their ion-exchangeable sites in an amount up to 41% of the zeolite's exchange capacity are described.Other References
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