Process for treating dosage forms
January 31, 2005. 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 3173839 3909444 Process for coating tablets with aqueous resin dispersions Sustained release pharmaceutical compositions Coating agents for solid medicaments Method for providing enteric coating on solid dosage forms Method for preparing preparations having controlled release of an active component Easily-swallowed, powder-free and gastric-disintegrable aspirin tablet thinly-coated with hydroxypropyl methylcellulose and aqueous spray-coating preparation thereof Pharmaceutical coating composition, and preparation and dosages so coated Method for providing enteric coating on solid dosage forms and aqueous compositions therefor Patent #: 4385078 InventorsApplicationNo. 06/696955 filed on 01/31/1985US Classes:428/403, Coated424/482, Containing solid synthetic polymers424/497, Containing solid synthetic polymers427/2.16, Retarded or controlled-release layer produced (e.g., enteric)428/407Including synthetic resin or polymerExaminersPrimary: Hoffman, James R.Attorney, Agent or FirmInternational ClassA61K 9/50 (20060101)AbstractThe problems of tackiness and long curing times usually associated with the treatment of dosage forms are overcome via the use of a new curing process. That process involves: (1) coating a drug with a sustained release formulation, (2) immediately coating with a water-soluble overcoat, (3) drying, and (4) recovering the coated dosage form. | |
