Novel drug delivery system for antitussives
Patent 4929508 Issued on May 29, 1990. Estimated Expiration Date: 
July 26, 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.
July 26, 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 2808360 3244588 3456060 3784702 Thixotropic compositions easily convertible to pourable liquids Patent #: 4427681 InventorsApplicationNo. 224601 filed on 07/26/1988US Classes:424/439, Food or edible as carrier for pharmaceutical424/440, Candy, candy coated or chewing gum424/441Chewable tablet or waferExaminersPrimary: Page, Thurman K.Attorney, Agent or FirmInternational ClassA61K 047/00AbstractA drug delivery system comprising a core material comprising a drug, and a hydrophobic matrix coating the core. The coating delays hydration of the drug and masks the taste of the drug. The coating comprises an emulsifier, an edible fatty acid or wax and a glyceride. The delivery system can be incorporated into various food products, pharmaceutical preparations and proprietary products. | |
