Programmed release oral solid pharmaceutical dosage form
Patent 5629017 Issued on May 13, 1997. Estimated Expiration Date: 
April 17, 2015. 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.
April 17, 2015. 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 ReferencesProgrammed release oral solid pharmaceutical dosage form Programmed release oral solid pharmaceutical dosage form Patent #: 5445828 InventorsAssigneeApplicationNo. 422945 filed on 04/17/1995US Classes:424/476, Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof (e.g., chocolate)424/458, Containing discrete coated particles pellets, granules, or beads424/459, Organic coatings424/461, Containing polysaccharide (e.g., cellulose sugars, etc.)424/462, Containing solid synthetic polymers424/463, Coated capsules424/472, Layered unitary dosage forms424/474, Coated pills or tablets424/475, Organic coatings424/480, Cellulose or derivative424/482, Containing solid synthetic polymers424/494, Cellulose derivatives424/497, Containing solid synthetic polymers424/498, Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof514/784, Carboxylic acid or salt thereof514/785, Carboxylic acid ester514/786, Glyceride514/787BeeswaxExaminersPrimary: Page, Thurman K.Assistant: Spear, James M. Attorney, Agent or FirmInternational ClassesA61K 009/30A61K 009/42 A61K 009/56 Foreign Application Priority Data1990-07-04 ITAbstractA programmed release pharmaceutical dosage form comprising a core, containing the active ingredient, coated by a hydrophobic layer is described. Such dosage forms release the active ingredient after a pre-established no-release interval which does not depend on physiological factors.Field of SearchContaining waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof (e.g., chocolate)Containing discrete coated particles pellets, granules, or beads Organic coatings Coated capsules Tablets, lozenges, or pills Coated pills or tablets Organic coatings Cellulose or derivative Containing solid synthetic polymers Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof Cellulose derivatives Containing solid synthetic polymers Sustained or differential release type Sustained or differential release | |
