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Class Information
Number: 604/378
Name: Surgery > Means and methods for collecting body fluids or waste material (e.g., receptacles, etc.) > Absorbent pad for external or internal application and supports therefor (e.g., catamenial devices, diapers, etc.) > Containing layers having differing absorption characteristics (e.g., flow control, wicking, etc.)
Description: Subject matter wherein significance is attributed to a layer or the collecting means which is characterized by specific structure or composition which, by the nature of the material provides capillary action and allows the movement of the absorbed body liquids from one component of the collecting means or the movement of the absorbed body liquids from one portion of the component to another portion thereof in order to maintain that portion of the collecting means next to the body or body orifice as dry as possible.










Sub-classes under this class:

Class Number Class Name Patents
604/379 Compressed layer 231
604/381 Layer coated or treated to decrease absorbency 141
604/383 Needled or punched layer 286


Patents under this class:
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Patent Number Title Of Patent Date Issued
5601542 Absorbent composite Feb. 11, 1997
5599335 Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer Feb. 4, 1997
5599336 Absorbent hydrogel fines in absorbent structures Feb. 4, 1997
5599417 Method of manufacture of liquid retaining absorbent garment Feb. 4, 1997
H1634 Compound sanitary napkin Feb. 4, 1997
5595754 Sheets for animals, sheet, bags, daily goods, ink and packaging materials Jan. 21, 1997
5593399 Absorbent article which includes superabsorbent material located in discrete, elongate pockets placed in selected patterns Jan. 14, 1997
5591148 Sanitary napkin having an independently displaceable central core segment Jan. 7, 1997
5591149 Absorbent article having meltblown components Jan. 7, 1997
5591510 Layered fabric material having angled capillaries Jan. 7, 1997
5589256 Particle binders that enhance fiber densification Dec. 31, 1996
5582603 Multiple sliver absorbent product Dec. 10, 1996
5582904 Rewettable polyolefin fiber and corresponding nonwovens Dec. 10, 1996
5578024 Disposable body fluids absorbent padding Nov. 26, 1996
5576090 Sheet elastic complex used in sanitary products its manufacturing process, and its usages Nov. 19, 1996
5573524 Disposable diaper with refresh assembly Nov. 12, 1996
H1614 Body fitting compound sanitary napkin Nov. 5, 1996
5569226 Multilayered absorbent structures Oct. 29, 1996
5562645 Article with soft absorbent pulp sheet Oct. 8, 1996
5562647 Sanitary napkin having a fluid pervious peripheral masking member Oct. 8, 1996
5562650 Absorbent article having an improved surge management Oct. 8, 1996
5563179 Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids Oct. 8, 1996
5558655 Absorbent article with dry surface composite construction Sep. 24, 1996
5558656 Sanitary napkin having an internal shaping component Sep. 24, 1996
5558660 Absorbent article having a pocket cuff with a gluteal groove spacer Sep. 24, 1996
5556391 Surgical sponge device Sep. 17, 1996
5556392 Composite nonwoven material and application to any absorbent article of hygiene Sep. 17, 1996
5549589 Fluid distribution member for absorbent articles exhibiting high suction and high capacity Aug. 27, 1996
5545155 Absorbent article with plates Aug. 13, 1996
5545156 Absorbent article having a preformed member Aug. 13, 1996
5542940 Biodegradable disposable diaper Aug. 6, 1996
H1575 Apertured hydrophilic polymer film topsheet with improved absorbency and comfort properties Aug. 6, 1996
H1585 Absorbent article having a braided wicking structure Aug. 6, 1996
5536264 Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate Jul. 16, 1996
5536555 Liquid permeable, quilted film laminates Jul. 16, 1996
5533991 Bodyside cover for an absorbent article Jul. 9, 1996
5531726 Sphagnum moss composition for the production of sheeted absorbent and method for evaluating the potential of sphagnum moss material for absorbing liquid Jul. 2, 1996
5531727 Fluid absorbing article utilizing a flow control cover sheet Jul. 2, 1996
5531728 Absorbent structures containing thermally-bonded stiffened fibers and superabsorbent material Jul. 2, 1996
5529782 Dissolvable device for contraception or delivery of medication Jun. 25, 1996
5527300 Absorbent article with high capacity surge management component Jun. 18, 1996
5525407 Integrated absorbent structures with density and liquid affinity gradients Jun. 11, 1996
5522809 Absorbent adult fitted briefs and pads Jun. 4, 1996
5522811 Topsheet for use in disposable body fluid absorptive goods Jun. 4, 1996
5520673 Absorbent article incorporating high porosity tissue with superabsorbent containment capabilities May. 28, 1996
5514104 Absorbent articles May. 7, 1996
5514120 Liquid management member for absorbent articles May. 7, 1996
5509914 Thin flexible sanitary napkin Apr. 23, 1996
5509915 Thin absorbent article having rapid uptake of liquid Apr. 23, 1996
5505719 Multilayered absorbent structures Apr. 9, 1996

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