Increasing the absorption rate of insoluble drugs
Patent 4151273 Issued on April 24, 1979. Estimated Expiration Date: 
June 13, 1998. 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.
June 13, 1998. 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 2149005 2698822 3297804 3308217 3325362 3330727 3374146 InventorsAssigneeApplicationNo. 05/915007 filed on 06/13/1978US Classes:514/462, Spiro ring system514/468Polycyclo ring system having the hetero ring as one of the cyclosExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassesA61K 9/14 (20060101)A61K 9/20 (20060101) A61K 9/48 (20060101) A61K 31/34 (20060101) AbstractThe absorption in body fluids of poorly soluble drugs is enhanced by forming a glassy solid matrix of a carrier and the drug. A solution of the drug and the carrier is formed at an elevated temperature either with or without a solvent and chilled rapidly to form a solid mass which can be ground to a powder for oral administration in a tablet or capsule.Other References
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