Water-insoluble polysaccharide hydrogel foam for medical applications
Patent 5089606 Issued on February 18, 1992. Estimated Expiration Date: 
August 13, 2010. 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.
August 13, 2010. 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 1365183 2441729 2756874 2918375 3455701 Contraceptive suppository Vaginal suppository Polymeric acid contraceptive devices Settable alginate compositions Protective gel composition for treating white phosphorus burn wounds InventorsApplicationNo. 566269 filed on 08/13/1990US Classes:536/54, Sulfur containing424/44, Gas produced in situ by chemical reaction424/445, Dressings604/85Liquid stream passes through reservoir containing treating materialExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmForeign Patent References
International ClassesA61M 005/08A61L 015/42 A61L 025/00 A61K 031/715 AbstractA water-insoluble polysaccharide hydrogel foam and a method and article of preparing a homogeneously foamed hydrogel from a two component aqueous system of water-soluble polysaccharides bearing pendant carboxylate groups. The hydrogel foam, when it incorporates an antimicrobial, has particular utility as a surgical preparation for vaginal or rectal surgery.Other References
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