Resorbable bioactive phosphate containing cements
Patent 5262166 Issued on November 16, 1993. Estimated Expiration Date: 
April 17, 2011. 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, 2011. 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.InventorsApplicationNo. 687586 filed on 04/17/1991US Classes:424/423, Surgical implant or material106/35, Dental106/690, Phosphate based cement106/691, Specified filler or organic material containing623/924MATERIAL CHARACTERISTICExaminersPrimary: Page, Thurman K.Assistant: Azpuru, C. Attorney, Agent or FirmForeign Patent References
International ClassesA61F 002/02A61F 002/28 C09K 003/10 AbstractA surgical cement of high biocompatibility, useful in orthopedic, maxillofacial and dental applications, comprising a calcium alkali phosphate cement with relatively high surface pH of about 7 or higher, and having a wide variety of chemical compositions, permitting flexibility in controlling the bioresorption rate by changing the chemical composition of the cementing powder. | |
