Compositions for therapeutic percutaneous embolization and the use thereof
Patent 4795741 Issued on January 3, 1989. Estimated Expiration Date: 
May 6, 2007. 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.
May 6, 2007. 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 ReferencesCross-linked gels of hyaluronic acid and products containing such gels Patent #: 4582865 InventorsAssigneeApplicationNo. 07/047419 filed on 05/06/1987US Classes:514/21, Produced by or extracted from animal tissue514/781, Cellulose or derivative524/17, Protein or biologically active polypeptide DNRM excluding wheat flour or natural cereals which may contain protein ingredient524/27, Carbohydrate or derivative DNRM524/29, Atom other than O, H, C, S, or Group IA metal536/4.1O- or S- GlycosidesExaminersPrimary: Kight, JohnAssistant: Nutter, Nathan M. Attorney, Agent or FirmInternational ClassesA61K 47/00 (20060101)A61K 47/36 (20060101) A61K 49/04 (20060101) A61L 24/08 (20060101) A61L 24/00 (20060101) AbstractPercutaneous emboli are formed for therapeutic and/or corrective reasons by using a composition which includes crosslinked gells of hyaluronic acid (HA), hylan (HY) or mixed crosslinked gels of HA or HY with other materials, thrombin and cationic substances containing quaternary ammonium groups. Other optional materials include fillers and radio-opaque substances.Other References
Field of SearchProduced by or extracted from animal tissue |
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