Microbiocidal composition and articles prepared therefrom
Patent 4113851 Issued on September 12, 1978. Estimated Expiration Date: 
April 15, 1996. 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 15, 1996. 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 3721652 Iodophors and a process for their preparation Patent #: 3984341 InventorsApplicationNo. 05/677135 filed on 04/15/1976US Classes:424/447, Bandages with incorporated medicaments424/672, Iodophors424/78.25, Complexed with molecular halogen or compound containing only halogen atoms604/304, Bandage, pad, or shield placed on body for sustained treatment thereof606/228Suture or ligatureExaminersPrimary: Turner, A. A.International ClassesA01N 59/12 (20060101)A61L 17/00 (20060101) A61L 15/16 (20060101) A61L 15/46 (20060101) AbstractA long acting antimicrobial and especially antibacterial composition (a) free elemental iodine (b) a polymeric linear polymer formed from the recurrence of the 2-pyrrolidone monomer ##STR1## HAVING A MOLECULAR WEIGHT OF 1,000 TO 500,000 AND PREFERABLY WHEREIN N IS SUFFICIENTLY LARGE TO FORM A POLYMER HAVING AN INHERENT VISCOSITY OF AT LEAST 2.0 AND PREFERABLY FROM 3.0 TO 5.0 DECILITERS PER GRAM. AND (C) A HIGH MOLECULAR WEIGHT ISOTONIC ACIDIC MATERIAL PREFERABLY A POLYCARBOXYLATED ACID POLYMER SUCH AS POLYACRYLIC ACID OR A POLYCARBOXYLATED VINYL RESIN HAVING A MOLECULAR WEIGHT OF AT LEAST 10,000 AND PREFERABLY BETWEEN 250,000 AND 300,000 GRAM MOLECULAR WEIGHT UNITS. Ointments, dressings and sutures all are made from this polymer complex.Other References
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