Method of producing absorbing wound dressing
July 5, 2004. 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 3854981 Compressed catamenial tampons with improved capabilities for absorbing menstrual fluids Disposable absorbent articles containing particulate, free-flowing, insoluble swellable polymers Porous cellulose beads Fibers of high fluid-holding capacity Absorbent material for aqueous physiological fluids and process for its production Porous shaped article of regenerated cellulose adapted for medical use Catamenial device with an absorbent layer having admixture of discrete superabsorbent and introfying particles Production of fibrous sliver having particulate matter distributed therethrough Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same Inventors
ApplicationNo. 06/627485 filed on 07/05/1984US Classes:264/7, Coated particles264/101, VACUUM TREATMENT OF WORK264/140, To form particulate product (e.g., flakes, etc.)264/15, SPHEROIDIZING OR ROUNDING OF SOLID PARTICLES264/233, Washing of article264/344, To remove entrained material from article264/49, By treating occluded solids264/9, By vibration or agitation523/111Compositions for use in tape adhesives, binder or impregnate for a body fluid adsorbent device, e.g., a surgical adhesive tape, etc.ExaminersPrimary: Czaja, Donald E.Assistant: Lorin, Hubert C. Attorney, Agent or FirmInternational ClassesA61L 15/16 (20060101)A61L 15/22 (20060101) Foreign Application Priority Data1981-09-30 DDAbstractA process of making a wound dressing is suggested, in which a technical conventional viscose solution is mixed with a polysaccharide derivative; the mixture is treated at increased temperatures such that it is thermally coagulated; the coagulate is wetted with a polyalkylene glycol and dried, whereby a particulate structure of the wound dressing is produced. | |
