Antiseptic-containing alginate impression material
Patent 4959220 Issued on September 25, 1990. Estimated Expiration Date: 
October 12, 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.
October 12, 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 ReferencesOral composition containing zirconium-bonded synthetic amorphous silicate Prolonged release microcapsules and their production Synthetic resin product containing compound included in cyclodextrin and process for the production of the same Algin based dental impression material containing biocidal component Patent #: 4836853 InventorsAssigneeApplicationNo. 256566 filed on 10/12/1988US Classes:424/490, Coated (e.g., microcapsules)424/495, Ethyl cellulose424/497Containing solid synthetic polymersExaminersPrimary: Cashion, Merrell C. Jr.Assistant: Prater, P. L. Attorney, Agent or FirmInternational ClassA61K 009/16Foreign Application Priority Data1987-10-12 JPAbstractAn antiseptic-containing alginate impression material contains 0.01 to 7 parts by weight of an antiseptic such as glutaraldehyde and chlorohexydine gluconate per 100 parts by weight of a cured product of an alginate impression material. The antiseptic may be encapsulated in a microcapsule or clathrated in a cyclodextrin. | |
