Multilayer tablet
Patent 6254886 Issued on July 3, 2001. Estimated Expiration Date: 
September 11, 2018. 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, 2018. 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 ReferencesShelf life and subsequent growth of lactobacillus acidophilus, propionibacterium shermanii and leuconostoc citrovorum in dietary fiber based supplement preparation Granular product of dried microorganism cells and manufacturing method therefor Timed-release tablets for biological degradation of organic matter Immunoglobulin and fiber-containing composition for human gastrointestinal health Antimicrobial composition Patent #: 5705152 InventorsAssigneeApplicationNo. 151733 filed on 09/11/1998US Classes:424/464, Tablets, lozenges, or pills424/472, Layered unitary dosage forms435/252.1, Bacteria or actinomycetales; media therefor435/252.9, Lactobacillus, pediococcus, or leuconostoc435/255.2SaccharomycesExaminersPrimary: Dudash, DianaAssistant: Berman, Alysia Attorney, Agent or FirmInternational ClassesA61K 009/20A61K 009/24 C12N 001/20 C12N 001/16 Foreign Application Priority Data1997-12-19 EPAbstractThe invention relates to multilayer tablets which are constructed of two, three or more layers, one layer containing probiotic microorganisms, while the other layers contain foodstuff ingredients valuable in nutritional physiology, such as vitamins, minerals, etc. The tablets are distinguished by a high stability or activity over a long period with respect to the microorganisms used and are thus very well suited for keeping in storage.Other References
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