WO2012043083A1 - 使い捨てのパンツ型着用物品 - Google Patents

使い捨てのパンツ型着用物品 Download PDF

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Publication number
WO2012043083A1
WO2012043083A1 PCT/JP2011/068586 JP2011068586W WO2012043083A1 WO 2012043083 A1 WO2012043083 A1 WO 2012043083A1 JP 2011068586 W JP2011068586 W JP 2011068586W WO 2012043083 A1 WO2012043083 A1 WO 2012043083A1
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WO
WIPO (PCT)
Prior art keywords
region
elastic member
chassis
body fluid
waistline region
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2011/068586
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
三嶋　祥宜
邦彦 桂川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
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 Unicharm Corp filed Critical Unicharm Corp
Priority to EP11828644.2A priority Critical patent/EP2623073B1/en
Priority to US13/819,731 priority patent/US9056029B2/en
Priority to CN201180047126.9A priority patent/CN103140199B/zh
Publication of WO2012043083A1 publication Critical patent/WO2012043083A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A61F13/49—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/494—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
    • A61F2013/4948—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means the edge leakage prevention means being elastic

Definitions

  • the present invention relates to a disposable pant-type wearing article that can be used as a disposable diaper or a disposable pant for incontinence patients.
  • a disposable pant-type wearing article having a pant-type chassis and a body fluid-absorbing panel bonded to the inner surface thereof is known and well known.
  • a pant-type diaper described in JP-A-2006-141494 includes an exterior sheet and an hourglass-shaped liquid absorber.
  • the exterior sheet is folded in two in the crotch region to form a pants-shaped chassis similar to a trunks type, and the liquid absorber is joined to the inner surface of the exterior sheet.
  • An elastic member is attached to the periphery of the bay portion formed in the exterior sheet in order to form the leg opening of the pants-type diaper.
  • An elastic member extending in the lateral direction is also attached to the front body portion and the rear body portion of the exterior sheet.
  • the pants-type diaper described in Patent Document 1 is intended to bring a liquid absorber integrated with the exterior sheet into close contact with the body by the action of an elastic member attached to the exterior sheet. Even if it is prepared separately, as a pants-type diaper, if you try to pull up the liquid absorber above the body after wearing it, the exterior sheet will also be pulled up, the bay entrance part of the exterior sheet There is a case where the leg elastic member attached to the periphery always approaches the base of the leg. Therefore, in the case where a leakage breaker standing up by the action of the elastic member is formed on both sides of the liquid absorber, when the leg elastic member is in such a state, the standing of the leakage breaker is hindered and the diaper Then, side leakage of body fluid is likely to occur.
  • the present invention includes a front waistline region, a rear waistline region, and a crotch region, each of which has an inner surface facing the wearer's skin, and a pant-shaped chassis,
  • a body fluid absorbing panel that extends in the center to the front waistline region and the rear waistline region and is joined to the inner surface of the chassis is provided with a waistline opening and a pair of leghole openings formed in the chassis. It is a disposable pants-type wearing article.
  • the chassis has a front portion including the front waistline region and a part of the crotch region, and a rear portion including the rear waistline region and a part of the crotch region.
  • a plurality of front elastic members extending in the width direction of the front waistline region and spaced apart from each other in the vertical direction of the front waistline region are attached to the front portion, and the lowermost portion of the front elastic members.
  • the at least one lowermost elastic member positioned at the end extends in a tensioned state along the front edge portion of each of the pair of leg openings, and is formed at a front portion of the crotch region between the pair of leg openings.
  • a plurality of rear elastic members extending in the width direction of the rear waist region and spaced apart from each other in the vertical direction of the rear waist region are attached to the rear portion, and the lowermost of the rear elastic members
  • the at least one lowermost elastic member located in the section extends in a tensioned state along the rear edge portion of each of the pair of leg openings, and in the rear portion of the crotch region between the pair of leg openings. It extends in a relaxed state as compared with the rear edge portion.
  • the body fluid-absorbing panel includes a front end portion that is bonded to the inner surface of the front waistline region, a rear end portion that is bonded to the inner surface of the rear waistline region, the front end portion, and the rear An intermediate portion that is between the end portions and in a non-bonded state with respect to the inner surface of the crotch region. Containment on both sides of the body fluid absorbent panel in the width direction has a propensity to stand up from the inner surface of the body fluid absorbent panel under the contracting action of an elastic member extending between the front end portion and the rear end portion. A flap is formed.
  • both side portions of the chassis in the width direction extend to a lower end portion of the body fluid absorbent panel located inside the crotch region in the vertical direction.
  • the front elastic member and the rear elastic member are included separately from the members forming the front and rear waist regions.
  • a panel member that does not occur is interposed between the front waistline region and the rear waistline region.
  • the lowermost elastic member of the front elastic member and the lowermost elastic member of the rear elastic member do not extend to the inner crotch portion of the crotch region, and the crotch Crosses the area.
  • the inner crotch portion of the crotch region does not include an elastic member extending in the front-rear direction in a tension state.
  • the front waistline region is pleated uniformly in the entire width direction by contraction of the front elastic member in a portion below the front end portion of the body fluid absorbent panel. It is formed and the width is uniform.
  • the rear waistline region has a pleat uniformly in the entire width direction due to contraction of the elastic member in a portion below the rear end portion of the body fluid absorbent panel. It is formed and the width is uniform.
  • both ends of the body fluid-absorbing panel having the containment flaps are joined to the inner surfaces of the front and rear waist regions of the pants-type chassis, respectively, in the crotch region of the body fluid-absorbing panel.
  • An intermediate part and the crotch region of the chassis are in a non-joined state.
  • the lowermost elastic members positioned in the front portion and the rear portion of the chassis and extending in the width direction of the chassis extend along the front edge portions of the pair of leg openings or along the rear edge portions. It extends.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 3.
  • FIG. 6 is a perspective view of the diaper of FIG. 5 in which the panel member is in an extended state.
  • deployment diaper obtained by the diaper of FIG.
  • FIG. 1 is a partially broken perspective view of a disposable pant-type diaper 1, wherein the front-rear direction, the width direction, and the height direction of the diaper 1 are indicated by double-headed arrows A, B, and C.
  • the height direction C is sometimes referred to as the vertical direction C.
  • the diaper 1 has a pants-type chassis 2 and a body fluid-absorbing panel 3 attached to the inner surface 2a of the chassis 2.
  • the chassis 2 can be called trunks-type pants or boxer-type pants, and has a front waistline region 6, a rear waistline region 7, and a crotch region 8 interposed between the front and rear waistline regions 6, 7. .
  • the chassis 2 is also folded in two at the crotch region 8, and the front and rear waist regions 6, 7 are overlapped with each other at the side edges 6 a, 7 a and joined to each other at the welding site 11.
  • Such a chassis 2 is formed with a waist opening 12 and a pair of leg openings 13.
  • a large number of pleats 15 that repeatedly undulate in the width direction B are formed in the front and rear waist regions 6 and 7 due to contraction of the front elastic member 21 and the rear elastic member 22 described later.
  • the body fluid absorbent panel 3 extends in the up-down direction C by being folded in two near the crotch region 8.
  • the intermediate portion 33 which is the crotch region of the body fluid absorbent panel 3 is separated from the crotch region 8 of the chassis 2 by a dimension D.
  • FIG. 2 shows a state where the front and rear waist regions 6 and 7 and the crotch region 8 are separated from each other in the front-rear direction A and the width direction by unbonding the welded portions 11 formed on the side edges 6a and 7a in the diaper 1 of FIG. It is a partially broken top view of the expansion
  • FIG. 2 only the outline of the body fluid-absorbing panel 3 is indicated by the imaginary line 12a. Therefore, FIG. 2 can be said to be a partially broken plan view of the chassis 2 in a substantial sense. is there.
  • the chassis 2 in FIG. 2 includes an inner sheet 10a and an outer sheet 10b that overlap each other and are bonded via a hot melt adhesive (not shown).
  • the front elastic member 21 is located in a front portion 16 defined by a center line P that bisects the dimension of the deployable diaper 1a in the front-rear direction A.
  • the front portion 16 includes a front waistline region 6 and a crotch region. 8 part.
  • the rear elastic member 22 is located in the rear portion 17 defined by the center line P, and the rear portion 17 includes the rear waistline region 7 and a part of the crotch region 8.
  • the front elastic member 21 includes a plurality of upper elastic members 21a extending in parallel with each other along the peripheral edge of the waistline opening 12 in FIG. 1, and a plurality of lower elastic members positioned below the upper elastic member 21a in FIG. 21b.
  • the lower elastic members 21b at least one lowermost elastic member 21c located at the lowermost portion is a front edge portion located at the front portion 16 in the peripheral portion 23 of the leg opening 13 (see FIG. 1).
  • the front portion 8a of the crotch region 8 extending along the line 23a and between the pair of leg openings 13 is crossed in the width direction B.
  • the lowermost elastic member 21c is attached to the front edge portion 23a at a high elongation rate and is in a tensioned state, but the front portion 8a of the crotch region 8 is in the front edge portion 23a. It is attached in a lower elongation rate or in a non-elongated state and is in a relaxed state as compared with the state in the leading edge portion 23a.
  • the rear elastic member 22 includes a plurality of upper elastic members 22a extending in parallel with each other along the peripheral edge of the waistline opening 12, and a plurality of lower elastic members 22b positioned below the upper elastic member 22a in FIG. Contains.
  • the lower elastic members 22b at least one lowermost elastic member 22c positioned at the lowermost portion extends along a rear edge portion 23b positioned at the rear portion 17 of the peripheral edge portion 23 of the leg opening 13.
  • the rear part 8b of the crotch region 8 between the pair of leg openings 13 is crossed.
  • Such a lowermost elastic member 22c is attached to the rear edge portion 23b at a high elongation rate and is in a tensioned state, but it is more difficult for the rear portion 8b of the crotch region 8 than in the rear edge portion 23b. It is attached in a low extension rate or non-extension state, and is in a relaxed state as compared with the state in the trailing edge portion 23b.
  • imaginary lines 12b and 12c drawn with respect to the chassis 2 indicate areas where the hot melt adhesive 14 is applied when the body fluid absorbent panel 3 is joined to the inner sheet 10a.
  • the body fluid absorbent panel 3 is joined to the chassis 2 only in the range indicated by the imaginary lines 12b and 12c.
  • the crotch region 8 of the chassis 2 and its vicinity It is in a non-joined state.
  • FIG. 3 is a partially broken plan view of the bodily fluid absorbent panel 3
  • FIG. 4 is a view showing a cut surface taken along the line IV-IV in FIG. 3 has the same front-rear direction A and width direction B in the front-rear direction A and the width direction B in FIG. 2 and is formed long in the front-rear direction E, and has a front end portion 31 and a rear end. It has an end portion 32 and an intermediate portion 33 between both end portions 31 and 32.
  • the bodily fluid absorbent panel 3 includes a liquid permeable top sheet 36, a liquid impermeable back sheet 37, and a bodily fluid absorbent core material interposed between the sheets 36 and 37. 38.
  • the top sheet 36 and the back sheet 37 extend from the periphery of the core member 38 and overlap each other, and are joined to each other via a hot melt adhesive (not shown) to form the periphery portion 3a of the body fluid absorbent panel 3.
  • a containment flap 41 is formed on each of both sides in the width direction B of the body fluid absorbent panel 3 by folding the top sheet 36 and the back sheet 37 that overlap each other at the folding portion 39 with the top sheet 36 inside. ing.
  • the containment flap 41 has a proximal edge 42 located near the bend 39 and a distal edge 43 parallel to the proximal edge 42.
  • a sleeve 44 is formed by folding the back sheet 37, and one or more elastic members 46 are attached to the inside of the sleeve 44 in an extended state.
  • a containment flap 41 has its front end portion 41a and rear end portion 41b joined to the inner surfaces of the front end portion 31 and the rear end portion 32 of the body fluid-absorbing panel 3 via a hot melt adhesive 48, and the containment flap 41
  • the intermediate portion 41 c of 41 can stand up from the intermediate portion 33 of the body fluid absorbent panel 3 to the upper portion of the intermediate portion 33 as the elastic member 46 contracts.
  • the body fluid-absorbing panel 3 thus formed is placed on the inner sheet 10a of the chassis 2 in FIG. 2, and the front end portion 31 and the rear end portion 32 are formed by the virtual line 12b and the virtual line 12c. Bonded to the indicated site via hot melt adhesive 14.
  • the chassis 2 of FIG. 2 to which the body fluid absorbent panel 3 is joined is folded along the center line P with the body fluid absorbent panel 3 inside, and the side edge 6a of the front waistline region 6 and the rear waistline region 7 are folded.
  • the side edge portion 7a is welded at the welding portion 11
  • the diaper 1 of FIG. 1 is obtained.
  • the elastic member 46 in the containment flap 41 contracts.
  • the intermediate portion 33 placed on the inner surface sheet 10a and bent at the center line P moves from the inner surface sheet 10a so as to be positioned above the crotch region 8 in the chassis 2, and an interval of the dimension D is generated (see FIG. 1).
  • the leg opening 13 in the chassis 2 is formed in substantially the same position in the height direction C with respect to the intermediate portion 33 that is the crotch region of the body fluid absorbent panel 3. Or is formed to be downward.
  • the intermediate part 33 of the body fluid absorbent panel 3 can be freely moved inside the chassis 2. Therefore, when the body fluid absorbent panel 3 gets in the way when trying to insert the leg into the leg opening 13 in order to wear the diaper 1, the body fluid absorbent panel 3 can absorb the body fluid so that the body fluid absorbent panel 3 does not get in the way. Panel 3 can be moved.
  • the bodily fluid absorbent panel 3 In the diaper 1 after wearing, when the bodily fluid absorbent panel 3 is lifted to fit the distal edge 43 of the containment flap 41 of the bodily fluid absorbent panel 3 around the buttocks and legs of the wearer, the bodily fluid absorption
  • the bottom elastic member 21c or 22c of the chassis 2 does not move upward or the crotch region 8 of the chassis 2 moves upward by being dragged by the movement of the conductive panel 3, so that the lowermost elastic member 21c , 22c and the crotch region 8 strongly press the body fluid-absorbing panel 3 from below the diaper 1 to prevent the containment flap 41 from standing up.
  • the lowermost elastic member 21 c does not surround the leg opening 13 while being elastically extended only by extending in the width direction B at the front portion 16 of the diaper 1, and the lowermost elastic member 22c also does not surround the leg opening 13 while being elastically extended. That is, a portion 51 (see FIG. 2) facing the inner crotch of the diaper wearer between the front portion 8a and the rear portion 8b of the crotch region 8 is an inner crotch portion of the chassis 2, and there is a front-rear direction of the inner crotch portion. Since there is no elastic member extending in the extended state, the portion 51 does not elastically adhere to the wearer's leg, specifically to the wearer's inner crotch.
  • Such a portion 51 can easily form a gap with the inner crotch, and the gap can act as a breathable portion that communicates with the inside and outside of the chassis 2 when the diaper 1 of FIG. 1 is worn. It works to prevent the inside of the steaming from getting steamed.
  • the lowermost elastic members 21c and 22c are in a tensioned state due to the high elongation rate in the front peripheral edge portion 23a and the rear peripheral edge portion 23b of the leg periphery opening 13, and the front portion of the crotch region 8 In the diaper 1, the crotch region 8 is contracted by the elastic member extending in the width direction B in the diaper 1 when the elongation rate is low or in the non-elongated state in the rear portion 8 b.
  • the pleats prevent the appearance of the crotch region 8 from deteriorating, and the pleats reduce the apparent dimension in the width direction B of the crotch region 8 so that the body fluid absorbent panel 3 can be easily seen from the outside of the chassis 2. Can be prevented.
  • the diaper 1 also has a front elastic member at portions 6b and 7b (see FIG. 2) that are not joined to the body fluid absorbent panel 3 even though the front waist region 6 and the rear waist region 7 overlap with the body fluid absorbent panel 3.
  • the shrinkage of 21b and the rear elastic member 22b is not restricted by the body fluid absorbent panel 3, and can be uniformly shrunk over the entire width direction B.
  • the pleats 15 are uniformly formed in the entire width direction B, and the dimension in the width direction B, that is, the width is also uniform, so that the side edges 6a and 7a in the chassis 2 are uniform. Extends in a straight line, and a diaper 1 having a good appearance can be obtained.
  • FIG. 5 is a view similar to FIG. 1 showing an example of the embodiment.
  • the pants-type diaper 1 in FIG. 5 has a chassis 2 that is different from the chassis 2 in FIG.
  • a side panel 61 is interposed between the front waistline region 66 and the rear waistline region 67 of the chassis 2 in FIG. 5, and the side panel 61 is folded in the drawing.
  • the front waistline region 66 and the rear waistline region 67 include the front elastic member 21 and the rear elastic member 22 arranged in the same layout as in FIGS. 1 and 2 between the inner surface sheet 10a and the outer surface sheet 10b. Elastically expands and contracts in the width direction B.
  • the side panel 61 can be formed of either a so-called inelastic sheet that does not have elastic extensibility, or a so-called elastic sheet that has elastic extensibility.
  • FIG. 6 is a perspective view of the diaper 1 in which the side panel 61 folded in FIG. 5 is extended in the waistline direction, and the diaper 1 is worn in this state.
  • both side edges 62 and 63 extending in the vertical direction C are joined to the side edge 66 a of the front waistline region 66 and the side edge 67 a of the rear waistline region 67 in the chassis 2.
  • Such a front waistline region 6 of the diaper 1 is formed by a front waistline region 66 of the chassis 2 and a part of each of the pair of side panels 61.
  • the waist opening 12 and the leg opening 13 of the diaper 1 are defined by the chassis 2 and the pair of side panels 61.
  • FIG. 7 shows the diaper 1 of FIG. 6 in which the side edge 66a of the front waistline region 66 of the chassis 2 and the side edge 62 of the side panel 61 are unbonded, and the diaper 1 is moved in the front-rear direction A and the width direction B. It is a partially broken top view of the expansion
  • the chassis 2 of the unfolded diaper 1a is the same as the unfolded diaper 1a of FIG. 2 in that it includes an inner sheet 10a, an outer sheet 19b, a front elastic member 21, and a rear elastic member 22. However, in the development diaper 1a in FIG.
  • the lowermost elastic members 21c and 22c are formed on the front edge portion 23a and the rear edge portion 23b formed by the chassis 2 in the peripheral edge portion 23 of the leg opening 13. Only exists.
  • the lowermost elastic members 21c and 22c in the embodiment of FIG. 6 can function in the same manner as the lowermost elastic members 21c and 22c in FIG.
  • the inner sheet 10 a and the outer sheet 10 b of the chassis 2 are made of a nonwoven fabric or woven fabric formed of thermoplastic synthetic fibers, a film formed of thermoplastic synthetic resin, or a laminate of nonwoven fabrics.
  • the laminated body of a body, a nonwoven fabric, and a film etc. can be used.
  • the inner sheet 10a and the outer sheet 10b are preferably breathable, and more preferably impermeable to liquid.
  • a non-woven fabric formed of thermoplastic synthetic fibers or an apertured film formed of thermoplastic synthetic resin can be used.
  • a film formed of a thermoplastic synthetic resin can be used as the liquid-impermeable back sheet 37.
  • the core material 38 in the body fluid-absorbing panel 3 is formed by coating a water-absorbing material such as pulverized pulp or a mixture of pulverized pulp and superabsorbent polymer particles with a tapping sheet formed of tissue paper or a liquid-permeable nonwoven fabric. Can be used.
  • the pant-type wearing article according to the present invention described taking the disposable pant-type diaper 1 as an example can also be used as pants for incontinence patients, training pants, and the like.

Landscapes

  • 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)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2011/068586 2010-09-30 2011-08-17 使い捨てのパンツ型着用物品 Ceased WO2012043083A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11828644.2A EP2623073B1 (en) 2010-09-30 2011-08-17 Disposable pull-on wearing article
US13/819,731 US9056029B2 (en) 2010-09-30 2011-08-17 Disposable pull-on wearing article
CN201180047126.9A CN103140199B (zh) 2010-09-30 2011-08-17 一次性短裤型穿用物品

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JP2010-223076 2010-09-30
JP2010223076A JP5745246B2 (ja) 2010-09-30 2010-09-30 使い捨てのパンツ型着用物品

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EP (1) EP2623073B1 (https=)
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JP5945446B2 (ja) * 2012-04-23 2016-07-05 ユニ・チャーム株式会社 吸収性物品
US20150320613A1 (en) 2014-05-08 2015-11-12 The Procter & Gamble Company Waist-to-side silhouettes of adult disposable absorbent articles and arrays
US10973709B2 (en) 2014-05-08 2021-04-13 The Procter & Gamble Company Hip-to-waist silhouettes of adult disposable absorbent articles and arrays
US10864117B2 (en) 2014-10-09 2020-12-15 The Procter & Gamble Company Length-to-waist and hip-to-side silhouettes of adult disposable absorbent articles and arrays
JP1547533S (https=) * 2015-02-27 2016-04-11
JP1557383S (https=) * 2015-07-10 2016-08-29
EP3370674B1 (en) 2015-11-06 2021-03-24 The Procter and Gamble Company Disposable absorbent article silhouettes and silhouette arrays
JP6359071B2 (ja) 2016-11-25 2018-07-18 大王製紙株式会社 トランクスタイプ使い捨ておむつ
JP1592702S (https=) 2017-04-18 2020-12-07
EP3644926B1 (en) * 2017-06-30 2025-08-27 The Procter & Gamble Company Hip-to-side silhouettes for boxer brief type disposable absorbent articles
CN109998790B (zh) * 2019-04-03 2024-08-16 黄山富田精工智造股份有限公司 一种吸收性物品
CN121731069A (zh) * 2020-06-30 2026-03-27 尤妮佳股份有限公司 内裤型吸收性物品

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EP2623073B1 (en) 2019-02-27
EP2623073A1 (en) 2013-08-07
JP5745246B2 (ja) 2015-07-08
US9056029B2 (en) 2015-06-16
JP2012075636A (ja) 2012-04-19
CN103140199B (zh) 2015-05-20
CN103140199A (zh) 2013-06-05
US20130184669A1 (en) 2013-07-18
EP2623073A4 (en) 2017-04-26
TW201228643A (en) 2012-07-16

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