Articles for carrying chemicals
Patent 4371516 Issued on February 1, 1983. Estimated Expiration Date: 
July 17, 2001. 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 17, 2001. 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 2166074 3234091 3576760 3855712 InventorsAssigneeApplicationNo. 06/284025 filed on 07/17/1981US Classes:424/485, Natural gums, resin or latex424/422, Implant or insert424/427, Ocular424/436, Anal, rectal (e.g., suppositories, etc.)424/484, Matrices424/486Synthetic polymerExaminersPrimary: Jiles, Henry R.Assistant: Whittenbaugh, Robert C. Attorney, Agent or FirmInternational ClassesA61K 9/00 (20060101)A61K 9/20 (20060101) Foreign Application Priority Data1976-10-06 GBAbstractThe invention relates to shaped articles carrying chemicals, particular to pharmaceutical dosage forms carrying pharmaceuticals, which disintegrate rapidly in water. The shaped articles comprise an open matrix network of carrier material carrying the chemical. The articles may be prepared by subliming solvent from a composition comprising the chemical and a solution of the carrier material in a solvent, the composition being in the solid state in a mould. | |
