Controlled release pharmaceutical composition
Patent 4828836 Issued on May 9, 1989. Estimated Expiration Date: 
May 19, 2007. 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.
May 19, 2007. 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 ReferencesCompressed chewable antacid tablet and method for forming same Iodophor composition Particulate composition and process for making same Patent #: 4698264 InventorsAssigneeApplicationNo. 07/052580 filed on 05/19/1987US Classes:424/419, Natural or synthetic resin424/418, Protein or derivative or polysaccharide or derivative424/464, Tablets, lozenges, or pills424/499, Contains proteins or derivative or polysaccharides or derivative514/54, Polysaccharide514/57Cellulose or derivativeExaminersPrimary: Kight, JohnAssistant: Nutter, Nathan M. Attorney, Agent or FirmInternational ClassA61K 9/20 (20060101)Foreign Application Priority Data1986-06-05 GBAbstractA solid, controlled release, pharmaceutical composition comprising an active ingredient incorporated in a controlled release matrix comprising a water soluble polydextrose.The controlled release matrix may also contain at least one of a digestibele C8 --C50 substituted or unsubstituted hydrocarbon, especially a C12 --C36 fatty alcohol, and a polyalkylene glycol, especially polyethylene glycol. Optionally, the matrix may contain a cellulose ether, especially a hydroxyalkylcellulose or a carboxyalkylcellulose. | |
