US20080287902A1 - Tampon pledget for increased by-pass leakage protection - Google Patents

Tampon pledget for increased by-pass leakage protection Download PDF

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Publication number
US20080287902A1
US20080287902A1 US12/122,880 US12288008A US2008287902A1 US 20080287902 A1 US20080287902 A1 US 20080287902A1 US 12288008 A US12288008 A US 12288008A US 2008287902 A1 US2008287902 A1 US 2008287902A1
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United States
Prior art keywords
pledget
pad
tampon
tampon pledget
absorbency
Prior art date
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Abandoned
Application number
US12/122,880
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English (en)
Inventor
Keith Edgett
Robert Jorgensen
Eugene Dougherty, JR.
Yinka Abdul
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Playtex Products LLC
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Playtex Products LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Playtex Products LLC filed Critical Playtex Products LLC
Priority to US12/122,880 priority Critical patent/US20080287902A1/en
Assigned to PLAYTEX PRODUCTS, INC. reassignment PLAYTEX PRODUCTS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ABDUL, YINKA, DOUGHERTY, EUGENE, JR, EDGETT, KEITH, JORGENSEN, ROBERT
Publication of US20080287902A1 publication Critical patent/US20080287902A1/en
Priority to US13/624,243 priority patent/US9877877B2/en
Priority to US15/840,428 priority patent/US11154430B2/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2071—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the outer layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • A61F13/2065—Tampons folded from sheets of material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • A61F13/2068—Tampons made from several layers

Definitions

  • the present invention is related generally to tampon pledgets. More particularly, the present invention is related to tampon pledgets that exhibit increased bypass leakage protection.
  • the novel tampon pledget according to the present invention includes one or more of the following properties: increased absorbency rate; high absorbent capacity and fluid retention; rapid expansion potential; and ease of ejection of the pledget from the applicator.
  • the one or more properties are achieved by using a modified dual cross-pad, folded, compressed tampon pledget design.
  • the cross pads are nearly identical in area prior to forming. It has been found that this feature provides the correct tampon length in body and the proper diameter for insertion into a woman's vagina. Additionally, it provides a more uniform fiber weight distribution across the entire length of the formed pledget, which unexpectedly results in improved absorption and reduced pledget ejection forces.
  • the one or more bottom pads 12 is thicker, hence statistically heavier, than the one or more top pads 14 .
  • the one or more bottom pads have a pad weight that is statistically greater than 50% of the total weight of the tampon pledget.
  • the one or more top pads 14 have the remaining weight of the tampon pledget, namely a pad weight that is less than 50% of the total tampon pledget weight.
  • the tampon pledgets of the present invention not only absorb liquid faster and provide more rapid expansion, they also allow for lower pledget weights overall in order to achieve the required syngyna absorbency specifications, as regulated by the FDA Federal Register 821.430.
  • FIG. 1 is top view of a tampon pledget prior to formation according to the present invention
  • FIG. 2 is a side view of a formed tampon pledget according to the present invention.
  • FIG. 3 is a cut away view of the tampon pledget of FIG. 2 taken along line A-A;
  • FIG. 4 is a graph depicting tampon slice density data for a Regular absorbency, non-deodorant pledget according to the present invention versus a prior art pledget;
  • FIG. 5 is a graph depicting tampon slice density data for a Regular absorbency, deodorant pledget according to the present invention versus a prior art pledget;
  • FIG. 6 is a graph depicting tampon slice density data for a Super absorbency, non-deodorant pledget according to the present invention versus a prior art pledget;
  • FIG. 7 is a graph depicting tampon slice density data for a Super absorbency, deodorant pledget according to the present invention versus a prior art pledget;
  • FIG. 8 is a graph depicting tampon slice density data for a Super Plus absorbency, non-deodorant pledget according to the present invention versus a prior art pledget;
  • FIG. 9 is a graph depicting tampon slice density data for a Super Plus absorbency, deodorant pledget according to the present invention versus a prior art pledget.
  • the present invention provides a unique tampon pledget designed for various tampon sorts with one or more enhanced features including, but not limited to, increased absorption potential, increased absorbency rate, increased expansion rate, improved fiber weight distribution along the length of the formed pledget, or any combinations thereof.
  • enhanced features are achieved by constructing the tampon pledget with certain pad lay-up ratios, fiber weight distributions, fibers and/or fiber blends, or any combinations thereof.
  • a tampon pledget having increased bypass leakage protection results.
  • the enhanced features do not compromise the desired pledget geometry, pre-expansion. Therefore, applicator modifications are not required to house the pledget of the present invention.
  • Pad lay-up 10 includes one or more bottom pads 12 and one or more top pads 14 . While pad lay-up 10 depicts the one or more bottom pads 12 and one or more top pads 14 in a cross-pad configuration, it should be understood that the pad lay-up can be configured in any suitable shape, including, but not limited to cross, chevron, diamond, circular, oval, square, rectangle, or any combinations thereof, that achieve one or more of the desired properties according to the present invention.
  • the pad lay-up ratio is defined as the ratio of the area of one or more bottom pads 12 to the area of one or more top pads 14 .
  • the area of the one or more pads is calculated in a single plane. Therefore, while stacking of multiple pads may be done, it does not increase the calculated area of the one or more pads.
  • the one or more top pads 14 each has a length dimension 15 and a width dimension 16 .
  • the one or more bottom pads 12 each have a length dimension 17 and a width dimension 18 .
  • the one or more top pads 14 each have a length dimension 15 between about 2 inches and about 6 inches. In another embodiment, the one or more top pads 14 each have a length between about 3.5 inches and about 5 inches. In yet another embodiment, the one or more top pads 14 each have a length about 4 inches.
  • the one or more top pads 14 each have a width dimension 16 between about 1 inches and about 4 inches. In another embodiment, the one or more top pads 14 each have a width between about 1.5 inches and about 3 inches. In yet another embodiment, the one or more top pads 14 each have a width about 2 inches.
  • the one or more bottom pads 12 each have a length dimension 17 between about 2 inch and about 6 inches. In another embodiment, the one or more bottom pads 12 each have a length between about 3.5 inches and about 5 inches. In yet another embodiment, the one or more bottom pads 12 each have a length about 4 inches.
  • the one or more bottom pads 12 each have a width dimension 18 between about 1 inch and about 4 inches. In another embodiment, the one or more bottom pads 12 each have a width between about 1.5 inches and about 3 inches. In yet another embodiment, the one or more bottom pads 12 each have a width about 2 inches.
  • the pad lay-up ratio is between about 1:1.2 to about 1.2:1. In another embodiment of the present invention, the pad lay-up ratio is about 1:1.
  • the one or more bottom pads 12 are thicker, hence statistically heavier, than the one or more top pads 14 .
  • the one or more bottom pads 12 have a pad weight that is statistically greater than 50% of the total weight of the tampon pledget.
  • the one or more top pads 14 have the remaining weight, namely a pad weight that is less than 50% of the total tampon pledget weight.
  • the fluid intake rate is faster through the lighter, one or more top pads 14 , while fluid is more efficiently stored in the one or more bottom pads 12 , which form the inner absorbent core of the tampon pledget when formed.
  • the tampon pledgets of the present invention have enhanced absorption capacity, absorbent rates, and expansion rates, which lead to better bypass leakage protection.
  • Suitable materials for use in forming the one or more bottom pads and/or the one or more top pads include, but are not limited to, cellulosic, rayon, cotton, pulp, superabsorbent, absorbent foam, multilobal fiber, or any combinations thereof.
  • the tampon pledget may include a liquid permeable coverstock or overwrap material, if desired.
  • Suitable coverstock materials may include, but are not limited to, rayon, cotton, bicomponent fibers, or other suitable natural or synthetic fibers known in the art. Rayon, polyethylene, polypropylene and blends of these are particularly suited for use as coverstock material.
  • a formed tampon pledget according to the present invention is depicted generally by reference numeral 20 .
  • the one or more bottom pads and one or more top pads are arranged in a cross pattern, then centered, as depicted in FIG. 1 .
  • the pads are then folded using an auger provided in a tampon-forming machine like that which is commercially available from Playtex Hauni Machines (Richmond, Va.) such that the one or more bottom pads form an inner core 26 and the one or more outer pads form an outer layer 28 .
  • the folded pads are then transferred into heated oven tubes, which compress the pads into the final self-sustaining cylindrical shape for assembly into a tampon applicator.
  • a withdrawal cord 22 is added to pledget 20 by means of threading a needle to the base 24 of the pledget during tampon assembly.
  • Withdrawal stings are typically made of mercerized cotton treated with an anti-wick (a Nalan hydrophobic wax) coating to reduce string absorbency and wicking.
  • Tampon strings are commercially available from Coats LLC (UK). Strings are typically threaded through a hole and then a loop is tied into a knot such that the final string hangs down about 4.5 inches from the base of the tampon pledget to allow the string to be easily located by the tampon wearer.
  • Tampon pledgets may be either scented or unscented. Scented pledgets are typically obtained by spraying on a mix of deodorant (typically a proprietary mixture comprised of one or more fragrances, available from a fragrance house such as Givaudan (Switzerland)) blended together with a nonionic surfactant (e.g. the Tween 20 described above). When desired, about 0.125 g of blend may be sprayed on the one or more top pads and/or one or more bottom pads of each pledget just prior to pledget forming.
  • deodorant typically a proprietary mixture comprised of one or more fragrances, available from a fragrance house such as Givaudan (Switzerland)
  • a nonionic surfactant e.g. the Tween 20 described above.
  • a Regular absorbency pledget is comprised of two fibrous nonwoven pads, both about 2′′ ⁇ 4′′, oriented perpendicular to each other.
  • the nonwoven inner absorbent core pad (bottom pad in cross-pad configuration) is 100% viscose rayon fiber having a multilobal (“Y-shaped) geometry, marketed by Kelheim Fibres GmbH (Kelheim, Germany) under the GalaxyTM tradename.
  • the outer pad (top pad in the cross-pad configuration) is formed with a blend of 60% viscose staple rayon (such as the P-1 fiber that is available from Lenzing Fibers, Austria) and 40% multilobal rayon fiber, as described above.
  • the fiber typically may include a small percentage of a finish, such as sorbitan monolaurate nonionic surfactant (Tween 20), although a variety of finish chemistries may be used.
  • the Regular pledget weight is about 1.52 grams (g) (at 14% moisture).
  • the inner, absorbent core pad weight is about 0.63 g to about 1.25 g. In onee preferred embodiment, the absorbent core pad weight is about 0.84 g (at 14% moisture).
  • the outer pad is thinner and has a pad weight of about 0.51 g to about 1.05 g (at 14% moisture). In one preferred embodiment, the outer pad has a pad weight of about 0.68 g (at 14% moisture).
  • the final pledget length for a Regular absorbency tampon pledget according to the present invention is about 1.875 inches.
  • a Super absorbency pledget is formed from two fibrous nonwoven pads, both about 2′′ ⁇ 4′′, oriented perpendicular to each other.
  • the nonwoven inner absorbent core pad (bottom pad in cross-pad configuration) is 100% viscose rayon fiber having a multilobal (“Y-shaped) geometry, marketed by Kelheim Fibres GmbH (Kelheim, Germany) under the GalaxyTM tradename.
  • the outer pad (top pad in the cross-pad configuration) is formed with a blend of 60% viscose staple rayon (such as the P-1 fiber that is available from Lenzing Fibers, Austria) and 40% multilobal rayon fiber, as described above.
  • the fiber typically may include a small percentage of a finish, such as sorbitan monolaurate nonionic surfactant (Tween 20), although a variety of finish chemistries may be used.
  • the pledget weight is about 2.27 g (at 14% moisture).
  • the inner pad weight is between about 0.94 g to about 1.78 g (at 14% moisture). In one preferred embodiment, the inner pad weight is about 1.26 g (at 14% moisture).
  • the outer pad weight is between about 0.76 g to about 1.46 g (at 14% moisture). In one preferred embodiment, the outer pad weight is about 1.01 g (at 14% moisture).
  • a Super Plus absorbency pledget is formed from two fibrous nonwoven pads, both about 2′′ ⁇ 4′′, oriented perpendicular to each other.
  • Super Plus tampons are formed with 100% multilobal Galaxy rayon in both inner and outer pads.
  • the total pledget weight is about 3.14 g (at 14% moisture).
  • the inner pad has a weight between about 1.27 g to about 2.33 g (at 14% moisture). In one preferred embodiment, the inner pad has a weight of about 1.70 g (at 14% moisture).
  • the outer pad has a weight between about 1.08 g to about 2.00 g. In one preferred embodiment, the outer pad has a pad weight of about 1.44 g (at 14% moisture).
  • the Super absorbency webs formed were a wide web (a 60% viscose rayon/40% multilobal blend) and a narrow web targeted for the outer pads, with 100% ML Galaxy fiber wide webs targeted for the inner absorbent core pads.
  • the Super Plus absorbency webs formed, both wide and narrow, were both made of 100% ML.
  • Roll weights were targeted to achieve the desired pad weights for 2′′ ⁇ 4′′ inner and outer pads.
  • Regular, Super and Super Plus absorbency tampon pledgets were formed on a Hauni forming machine. The formed pledgets were then tested in the laboratory. Results of the testing are summarized below in the Tables.
  • Table 1 shows the individual pad weights for the tampons made according to this invention. Note the differences in individual pad weights.
  • Table 2 provides a summary of results for Super absorbency tampons roughly in accordance with the present invention. As you can see, the average absorbency for the Super sort was 10.79 grams, which meets the specification of 9-12 grams. The average ejection force for the Super sort was 16.61 oz.
  • Target weight 2.35 gm.
  • Super Wide Target Outside Pad (1.05 gm.) & Super Narrow Target Inside Pad (1.30 gm.) (GG Phase 1 - P13AT24 Web Made on Nov. 10, 2006) 225° F. Oven Temperature, Standard Super White Barrels
  • Table 3 provides results for Super Plus tampons made roughly in accordance with this invention. As you can see, the average absorbency for the Super Plus sort was 13.01 grams, which meets the specification of 12-15 grams. The average gm/gm for the Super Plus sort was 4.19 grams. The average ejection force for the Super Plus sort was 24.82 oz.
  • Results reported in Tables 2 and 3 above are for tampon pledgets made with standard barrels.
  • a subsequent study was done on 33 super and 33 super plus tampons made with barrels containing erucamide. This provided not only comparable results in terms of absorbency but also significantly lower ejection forces.
  • Tables 4 and 5 provide a summary of those results for Super and Super Plus non-deodorant (non-deo) tampons respectively. As you can see, results are favorable for ejection force, absorbency and gram per gram absorbency capacity relative to results for comparable prior art tampons.
  • GATS uses a patent-based method to reliably determine absorption characteristics. By employing a sensitive scale, slide, and software, the GATS can run either horizontal or vertical absorption studies by manipulating test plates. Either or both the capillary and structural liquid intake of a desired substrate can be assessed by GATS.
  • the GATS is commercially available form MK Systems.
  • the GATS is widely used in the many industries, including nonwoven, tissue, paper towel, textile, and powder based areas. Any solid material that absorbs liquid can be measured with the GATS, using a method that takes user-variability out of testing. After each test has been completed, data is then downloaded to a PC. The liquid source is automatically refilled.
  • the GATS monitors the rate at which a liquid is absorbed onto a test plate. Tests are started either by solenoid action or by the placement of a sample onto the plate. An internal microprocessor takes several readings of the scale's output every second. The test stops when the flow rate drops below a predetermined rate or a predetermined time.
  • test plate is attached to a vertical leveling mechanism. This prevents the formation of excess hydrostatic head during a test.
  • the test plate is lowered at the same rate at which the liquid level in the reservoir drops. This eliminates the effects of gravity, providing a truer profile of the material's absorptive characteristics.
  • the balance is very accurate (+/ ⁇ 0.001 g). This accuracy and precision provides the necessary discrimination for an accurate profiling of the absorbency of a given material.
  • ASTM American Society for Testing and Materials
  • ASTM Standard Test Method for Sorption of Bibulous Paper Products (Sorptive Rate and Capacity Using Gravimetric Principles). Test method ASTM D5802-95 was followed, except as noted on the next page.
  • the dry mass of the tampon is the mass of the fiber capsule with the string cut flush to the tampon. (The strings were cut, because it interfered with absorption measurements, by becoming immersed in the fluid.)
  • the tests were performed on GATS with a special attachment that held the tampon vertically over the fluid hole and imposed lateral pressure over much of their periphery, using four curved pieces of Teflon connected arranged at 90 degrees with respect to one another and connected to a larger Plexiglas enclosure by a spring.
  • the pressure applied was such that the tampon could expand somewhat during absorption of fluid.
  • the applied pressure was to mimic the pressure typically exerted by the vaginal walls. This provided an absorptive capacity comparable to what is seen in a typical syngyna absorbency test.
  • Results were then summarized in a series of excel spreadsheets. Tables 6 through 6f provide a summary of the results for rates of absorbency estimated at the five-second mark after tampon absorption had started. Results were comparable at the 2 and 10 second marks as well. Rates of absorbency of tampons are most relevant at the shorter times. If the rates are too slow at these times, bypass leakage becomes more likely. As you can see from the Tables, rates of absorbency for the tampon pledgets according to the present invention at these times are faster and thus superior to those rates for commercially available prior art tampon pledgets.
  • the tampon pledgets according to the present invention were tested to determine the fiber weight distribution across the entire length of the formed pledget.
  • EdgeCraft electric food slicer or equivalent electronic or dial calipers, tampon barrel-pledget holding device(s) (1-Regular & 1-Super), Sartorius BP110 Digital Scales or equivalent, and pin gauges.
  • Pledget ⁇ ⁇ Density Mass ⁇ ⁇ of ⁇ ⁇ Pledget Cross ⁇ ⁇ Section ⁇ ⁇ Area ( Pin ⁇ ⁇ Gage ⁇ ⁇ Meas . ) ⁇ Plastic ⁇ ⁇ Ring ⁇ ⁇ Thickness ( 0.125 ′′ )

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
US12/122,880 2007-05-17 2008-05-19 Tampon pledget for increased by-pass leakage protection Abandoned US20080287902A1 (en)

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US12/122,880 US20080287902A1 (en) 2007-05-17 2008-05-19 Tampon pledget for increased by-pass leakage protection
US13/624,243 US9877877B2 (en) 2007-05-17 2012-09-21 Tampon pledget for increased bypass leakage protection
US15/840,428 US11154430B2 (en) 2007-05-17 2017-12-13 Tampon pledget for increased bypass leakage protection

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US93054707P 2007-05-17 2007-05-17
US12/122,880 US20080287902A1 (en) 2007-05-17 2008-05-19 Tampon pledget for increased by-pass leakage protection

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WO2010120619A1 (fr) * 2009-04-15 2010-10-21 Playtex Products, Llc Compresse de tampon avec protection améliorée contre les fuites de contournement
WO2012150515A2 (fr) 2011-05-03 2012-11-08 Kimberly-Clark Worldwide, Inc. Tampon hygiénique intégral et son procédé de fabrication
US20130018347A1 (en) * 2007-05-17 2013-01-17 Playtex Products, Llc Tampon pledget for increased bypass leakage protection
WO2013093675A1 (fr) 2011-12-21 2013-06-27 Kimberly-Clark Worldwide, Inc. Procédé de fabrication d'un tampon
US8845837B2 (en) 2012-10-31 2014-09-30 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons
US9211217B2 (en) 2012-10-31 2015-12-15 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons by forming a softwind with contact elements
US9259360B2 (en) 2006-11-08 2016-02-16 Edgewell Personal Care Brands, Llc. Tampon pledget for increased bypass leakage protection
US9308134B2 (en) 2012-10-31 2016-04-12 Kimberly-Clark Worldwide, Inc. Tampon method of manufacture
US9522087B2 (en) 2012-10-31 2016-12-20 Kimberly-Clark Worldwide, Inc. Method of manufacturing tampons with contact elements
US9566194B2 (en) 2014-10-03 2017-02-14 Eat Don't Talk, Inc. Tampon
US9662249B2 (en) 2002-09-12 2017-05-30 Edgewell Personal Care Brands, Llc. Ergonomic tampon applicator
US9744081B2 (en) * 2012-03-05 2017-08-29 Robbin Field Riordan Tampon with looped string
US9883975B2 (en) 2008-05-06 2018-02-06 Edgewell Personal Care Brands, Llc Tampon pledget with improved by-pass leakage protection
US10105267B2 (en) 2003-05-02 2018-10-23 Edgewell Personal Care Brands, LLC> Tampon assembly having a shaped pledget
EP3534858B1 (fr) 2016-11-07 2021-03-24 The Procter & Gamble Company Tampon
US11389337B2 (en) 2016-05-25 2022-07-19 Edgewell Personal Care Brands, Llc Menstrual device and applicator system

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US20130018347A1 (en) 2013-01-17
CA2686252C (fr) 2013-02-19
WO2008144624A1 (fr) 2008-11-27
US11154430B2 (en) 2021-10-26
MX2009012397A (es) 2010-04-27
US9877877B2 (en) 2018-01-30
MX339638B (es) 2016-06-02
CA2798648A1 (fr) 2008-11-27
CA2686252A1 (fr) 2008-11-27
JP5335773B2 (ja) 2013-11-06
US20180125725A1 (en) 2018-05-10
JP2010527281A (ja) 2010-08-12

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