Resorbable surgical cements
February 3, 2012. 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 ReferencesCombinations of sparingly soluble calcium phosphates in slurries and pastes as mineralizers and cements Plaster of Paris as a bioresorbable scaffold in implants for bone repair Surgical cements Dental gypsum compositions in low-dusting powdery form Bony or dental filling biomaterials and processes for preparation thereof Resorbable bioactive calcium phosphate cement Patent #: 5149368 InventorApplicationNo. 830381 filed on 02/03/1992US Classes:106/35, Dental106/157.5, Elemental sulfur or inorganic sulfur compound424/602, Calcium containing424/696, Calcium containing sulfur compound (e.g., calcium sulfate, etc.)501/1CERAMIC COMPOSITIONSExaminersPrimary: Klemanski, HeleneAssistant: Einsmann, Margaret Attorney, Agent or FirmInternational ClassC09K 003/00AbstractA new surgical cement is disclosed. This surgical cement comprises a hardened cement formed from a mixture comprising a cementing component selected from the group consisting of calcium components having a solubility in water at 25° C. in the range of about 0.5 × 10-2 M to about 20 × 10-2 M and mixtures thereof; a setting component selected from the group consisting of water soluble salts of polyfunctional carboxylic acids containing 2 to about 10 carbon atoms, water soluble dibasic phosphate salts and mixtures thereof; and water in an amount effective to form a paste from the mixture which paste hardens into said hardened cement which is biocompatible.Other References
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