JP6185179B2 - オーゼティックセル形成構造体を含む吸収性物品 - Google Patents
オーゼティックセル形成構造体を含む吸収性物品 Download PDFInfo
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- JP6185179B2 JP6185179B2 JP2016540452A JP2016540452A JP6185179B2 JP 6185179 B2 JP6185179 B2 JP 6185179B2 JP 2016540452 A JP2016540452 A JP 2016540452A JP 2016540452 A JP2016540452 A JP 2016540452A JP 6185179 B2 JP6185179 B2 JP 6185179B2
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- layer
- ligament
- dimension
- absorbent article
- ligaments
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Description
「吸収性物品」とは、身体の滲出物を吸収して収容する装置を指し、より具体的には、身体から排出される種々の滲出物を吸収して収容するために、着用者の身体に接して、又はその近傍に配置される装置を指す。吸収性物品としては、おむつ(乳幼児用おむつ及び成人失禁用おむつ)、パンツ、生理用ナプキン若しくはパンティーライナーなどの婦人用保護吸収性物品、胸当て、介護用マット、よだれ掛け、拭き取り布、並びに同様のものを挙げることができる。本明細書で使用する時、用語「滲出物」は、限定するものではないが、尿、血液、膣排泄物、母乳、汗及び糞便を含む。本発明の好ましい吸収性物品は使い捨て吸収性物品であり、より好ましくは、使い捨ておむつ及び使い捨てパンツである。
2.54cmの幅及び25.4cmの長さを有する材料の長方形状部片を、部片をその上部の2.54cm幅の縁部に沿ってその全幅に沿って保持することによって、鉛直姿勢で維持する。反対の下縁部上に材料の全幅に沿って1分間、10Nの力を加える(25℃及び50%の相対湿度で行う。サンプルは、試験に先立って、これらの温度及び湿度条件において2時間、事前調整しておかなければならない)。
吸収性物品における多くの用途などの、多くの用途のために、最初は扁平であるが、縦寸法に沿って伸長されると、同時にキャリパ(即ち、厚さ)が増大する構造体を有することが非常に望ましいであろう。
リガメントは弾性、非弾性又は高非弾性であってもよい。また、リガメントは伸展性、非伸展性又は高非伸展性であってもよい。リガメントは、不織布、フィルム、紙、又はシート状発泡体、織布、編地、又はこれらの材料の組み合わせで作製されてもよい。これらの材料の組み合わせは、積層体、例えば、フィルムと不織布の積層体、であってもよい。
構造体(100)の縦寸法に沿った力を加えた時の、第1の層及び第2の層(110、120)の、互いに対する反対縦方向の最大変位を規定することが望ましい場合がある。これは、停止補助具(160、180、190)を提供することによって促進することができる。
a)第1の層及び第2の層(110、120)が、例えば、第1の層及び/又は第2の層(110、120)の横方向縁部(114、124)の一方の方向の、リガメント(130)が設けられている領域の縦方向外方にあってもよい、少なくとも1つの層対層付着領域(160)内で互いに付着される。この層対層付着領域(160)は、第1の層及び第2の層(110、120)の一方が少なくとも1つの所定の余裕部を有するように提供される。余裕部は、2つの隣り合ったリガメントの間にあってもよいか、又は代替的に、若しくはそれに加えて、層対層付着領域(160)と、層対層付着領域(160)に最も近接したリガメントのリガメント付着領域(135、136)との間にあってもよい。また、組み合わさって構造体の最大限可能な伸長を規定する、1つを超える所定の余裕部を提供することも可能である。余裕部は、構造体(100)がその初期の扁平構成になっている時に、一種のたるみ(170)を形成することができる。即ち、余裕部における第1の層及び/又は第2の層の縦寸法は、余裕部が設けられている区域内の構造体の縦寸法よりも大きい。このような停止補助具の一例が図1A、図1B、図2、図3及び図6に示される)。代替的に、余裕部は、余裕部が設けられるべき区域内の第1の層又は第2の層(110、120)の材料を、この区域内においてそれぞれの層の伸展性を創出するように適合させることによって、生み出すことができる。材料を適合させることは、材料を変更することによって行うことができ、例えば、余裕部を形成するためにself加工(selfing)すること(余裕部内におけるそれぞれの第1の層又は第2の層の材料を、それを比較的たやすく伸展可能にするために、弱化すること)、穴を作ること、又は伸展性材料を用いることによって行うことができる。代替的に、第1の層又は第2の層は、余裕部の区域内では、異なる材料で作製されてもよく、余裕部内の材料を伸展性にする。
層間停止補助具及び/又は層−リガメント間停止補助具は非弾性又は高非弾性であってもよい(余裕部が、材料を弾性的に伸展可能にするように材料を変更することによって設けられる場合には、余裕部を除く)。また、層間停止補助具及び/又は層−リガメント間停止補助具は非伸展性又は高非伸展性であってもよい(余裕部が、材料を伸展可能にするように材料を変更することによって設けられる場合には、余裕部を除く)。
本発明の構造体は吸収性物品における多種多様の用途を見いだすことができる。
引張強度
引張強度は、Zwick Roell GmbH &Co.KG,Ulm,ドイツから入手可能である、TestExpert 11.0ソフトウェアを利用する、コンピュータインタフェースを有する伸長引張試験機Zwick Roell Z2.5を用いて一定の速度で測定する。測定される力がセルの限度の10%〜90%以内であるロードセルを用いる。可動式(上部)空気圧つかみ具及び固定式(下部)空気圧つかみ具の双方に、試験片の幅よりも広いゴム張りの把持部を装着する。試験は全て、約23℃+2℃及び約45%±5%の相対湿度に維持された調整室内で行う。
引張強度=ピーク力(N)/試験片の幅(cm)
ロープ/糸状材料の場合:引張強度=ピーク力(N)
曲げ剛性は、Lorentzen & Wettre GmbH,Darmstadt,ドイツから市販されているLorentzen & Wettre曲げ抵抗試験機(Bending Resistance Tester、BRT)Model SE016機器を用いて測定する。材料(例えば、リガメント並びに第1の層及び第2の層)の剛性を、SCAN−P29:69に従い、DIN 53121(3.1「2点法」)による要求事項に対応して測定する。分析のために、規格において挙げられている38.1mm×50mmの試験片の代わりに、25.4mm×50mmの長方形試験片を用いた。したがって、曲げ力はmN単位で指定され、曲げ抵抗は、以下にある式に従って測定した。
平均測定キャリパは、Mitutoyo Absolute caliper device model ID−C1506、株式会社ミツトヨ、日本を用いて測定する。
構造体の弾性率は、コンピュータインタフェースを有する引張試験機(好適な機器は、Zwick Roell GmbH &Co.KG,Ulm,ドイツから入手可能な、TestExpert 11.0ソフトウェアを利用するZwick Roell Z2.5である)を用い、測定される力がセルの限度の10%〜90%以内であるロードセルを用いて、一定の構造体圧縮速度で測定する。プランジャプレート(500)をしっかりと締め付けるために、可動式上部固定式空気圧つかみ具にゴム張りの把持部を装着する。固定式下部つかみ具は、100mm×100mmの寸法を有するベースプレート(510)である。ベースプレート(510)の表面はプランジャプレート(500)と垂直である。プランジャプレート(500)を上部つかみ具に固定するために、上部つかみ具をベースプレート(510)の上面(515)の上方20mmまで下に下げる。上部つかみ具を閉じ、プランジャプレート(500)がしっかりと締められたことを確認する。プランジャプレート(500)は3.2mmの幅及び100mmの長さを有する。構造体と接触することになるプランジャプレート(500)の縁部(520)は、r=1.6mmの衝突縁部半径を有する曲面を有する。分析のために、ゲージ長を、直立構成における構造体のキャリパ(図11参照)よりも少なくとも10%高く設定する。クロスヘッド及びロードセルをゼロ点調整する。プランジャプレート(500)の幅は構造体の横断方向と平行でなければならない。
構造体実施例の作製:
各構造体のために、打ち抜き型又はかみそりナイフを用いて、150mmの縦寸法及び25mmの横寸法を有する不織布の2つの部片を切り出す。これらの不織布は構造体の第1の層及び第2の層になる予定である。打ち抜き型又はかみそりナイフを用いて、10mmの縦寸法(これは、最終的な構造体内において4mmの自由中間部分の縦寸法を生じさせることになり、その一方で、各横方向縁部上の3mmは第1の層及び第2の層にそれぞれ付着される)及び25mmの横寸法を有する4つのリガメント(実施例1、2、4及び5)、別に、6つのリガメント(実施例3)を切り出す。最終的な構造体内でリガメントの第1の横方向縁部になる予定の側縁部の近傍の各リガメントの第1の表面上に、3mmの長さ及び25mmの幅を有する両面テープ(例えば、3Mから入手できる3M両面医療テープ1524−3M(44g/m2))を貼り、最終的な構造体内でリガメントの第2の横方向縁部になる予定の側縁部の近傍の各リガメントの第2の表面上に、第2のテープを貼る。テープの幅をリガメントの横寸法とそろえる。
Claims (16)
- 構造体を含む吸収性物品であって、前記構造体は、縦寸法、及び前記縦寸法と垂直な横寸法を有し、前記構造体の前記縦寸法に沿った力を加えると、前記縦寸法に沿って伸長することができ、これにより、前記構造体は同時に、初期の扁平構成から直立構成へ変形することができ、
前記構造体は第1の層と第2の層とを含み、各層は、内面及び外面、2つの離間配置された横方向縁部によって限定される前記構造体の前記縦寸法と平行な縦寸法、並びに2つの離間配置された縦方向縁部によって限定される前記構造体の前記横寸法と平行な横寸法、を有し、前記第1の層及び前記第2の層は少なくとも部分的に互いに重なり、前記縦寸法に沿った力を加えると、前記第1の層は前記第2の層に対して前記構造体の縦寸法に沿って反対方向に変位することができ、
前記構造体は、前記第1の層及び前記第2の層が互いに重なる領域の少なくとも一部の内部で前記第1の層と前記第2の層との間に設けられたリガメントを更に含み、
各リガメントは、2つの離間配置された前記リガメントの横方向縁部によって限定される縦寸法、及び2つの離間配置された前記リガメントの縦方向縁部によって限定される横寸法を有し、
各リガメントは、第1のリガメント付着領域内の前記リガメントの横方向縁部の一方又はその近傍部分において前記第1の層の前記内面に付着され、第2のリガメント付着領域内の前記リガメントの他方の横方向縁部又はその近傍部分において前記第2の層の前記内面に付着され、前記第1のリガメント付着領域と前記第2のリガメント付着領域との間の各リガメントの領域は自由中間部分を形成し、
前記リガメントは、前記構造体の前記縦寸法に沿って互いから離間配置され、前記第1のリガメント付着領域及び前記第2のリガメント付着領域内における前記第1の層及び前記第2の層に対する全てのリガメントの前記付着は、前記構造体の前記縦寸法に沿った力を加えると、前記リガメントの前記自由中間部分が初期の扁平構成から直立構成へ変形することができ、それゆえ、前記構造体を全体として初期の扁平構成から直立構成へ変形させるようになされており、前記直立は、前記構造体の前記縦寸法及び前記横寸法と垂直な方向である、吸収性物品。 - 前記構造体において、前記リガメントが、それらの直立構成において、Z字状形状、C字状形状、T字状形状、又は両T字状形状のいずれかを取る、請求項1に記載の吸収性物品。
- 前記構造体が、1つ以上の停止補助具を含み、前記停止補助具は、前記縦寸法に沿って前記力が加え続けられた時に、前記縦寸法に沿って反対方向に前記第2の層に対する前記第1の層の最大変位を規定し、前記停止補助具によって規定される前記最大変位は、このような停止補助具が存在しない場合に前記リガメントによってもたらされる前記最大変位よりも小さい、請求項1又は2に記載の吸収性物品。
- 前記1つ以上の停止補助具が、
a)少なくとも1つの付着領域内で互いに付着される前記第1の層及び前記第2の層であって、前記少なくとも1つの層対層付着領域は、前記構造体がその初期の扁平構成になっている時には、前記第1の層及び前記第2の層の一方が1つ以上の余裕部を有するように設けられ、前記余裕部は好ましくは、前記層対層付着領域と、前記層対層付着領域に最も近接した前記リガメントとの間に設けられ、前記余裕部は、前記構造体がその直立構成へ移行されると、まっすぐに伸び、及び/若しくは伸展することができる、前記第1の層及び前記第2の層、並びに
b)前記第1の層から前記第2の層へ延在し、第1の層間停止補助具付着領域内において前記第1の層に付着され、第2の層間停止補助具付着領域内において前記第2の層に更に付着される層間停止補助具であって、前記層間停止補助具には、前記構造体がその初期の扁平構成になっている時には、前記第1の層間停止補助具付着領域と前記第2の層間停止補助具付着領域との間の層間停止補助具余裕部が設けられ、前記余裕部は、前記構造体がその直立構成へ移行されると、まっすぐに伸び、及び/若しくは伸展することができる、層間停止補助具、並びに
c)前記第1の層又は前記第2の層から前記リガメントのうちの1つへ延在し、第1の層−リガメント間停止補助具付着領域内において前記第1の層又は前記第2の層に付着され、第2の層−リガメント間停止補助具付着領域内において前記リガメントに付着される層−リガメント間停止補助具であって、前記層−リガメント間停止補助具には、前記構造体がその初期の扁平構成になっている時には、前記第1の層−リガメント間停止補助具付着領域と前記第2の層−リガメント間停止補助具付着領域との間の層−リガメント間停止補助具余裕部が設けられ、前記余裕部は、前記構造体がその直立構成へ移行されると、まっすぐに伸び、及び/若しくは伸展することができる、層−リガメント間停止補助具、並びに
d)前記第1の層及び前記第2の層、並びに前記第1の層と前記第2の層との間の前記リガメントの少なくとも一部分を取り囲む包囲式停止補助具であって、前記包囲式停止補助具は、少なくとも1つの包囲式停止補助具付着領域内において、前記第1の層、前記第2の層及び/又は1つ以上のリガメントに付着され、前記包囲式停止補助具はそれ自身に更に付着され、前記第1の層及び前記第2の層、並びに前記第1の層と前記第2の層との間の前記リガメントの少なくとも一部分の周りに規定の周長を有する閉じた輪を形成し、前記包囲式停止補助具の前記周長は前記構造体の直立構成における前記構造体の最大キャリパを規定し、前記キャリパは前記構造体の前記横寸法及び前記縦寸法と垂直である、包囲式停止補助具、並びに
e)a)〜d)の任意の組み合わせ、
からなる群から選択される、請求項3に記載の吸収性物品。 - 前記構造体の前記第1の層及び前記第2の層が、少なくとも、停止補助具に含まれる、余裕部が設けられる区域の外部では、非弾性、好ましくは非弾性かつ非伸展性である、請求項1〜4のいずれか一項に記載の吸収性物品。
- 前記構造体において、前記リガメントが配置される区域及び隣り合ったリガメント間の区域が約0.01MPa〜約0.3MPa(約0.01N/mm2〜約0.3N/mm2)の弾性率を有する、請求項1〜5のいずれか一項に記載の吸収性物品。
- 前記構造体において、構造体の前記初期の扁平構成における前記リガメントの前記縦寸法が前記第1の層及び前記第2の層の前記縦寸法と実質的に平行である、請求項1〜6のいずれか一項に記載の吸収性物品。
- 前記直立構成が、前記縦寸法に沿って加えられた前記力の解放時に、実質的に完全にその初期の扁平構成に戻る、請求項1〜7のいずれか一項に記載の吸収性物品。
- 前記構造体において、前記リガメントが、引張強度、曲げ剛性、又は引張強度及び曲げ剛性が互いに異なる、請求項1〜8のいずれか一項に記載の吸収性物品。
- 前記構造体において、前記構造体の縦方向中心の方向に設けられる1つ以上のリガメントが、前記構造体の前記横方向縁部の方向に設けられる前記リガメントよりも高い引張強度及び/又は高い曲げ剛性を有する、請求項1〜9のいずれか一項に記載の吸収性物品。
- 前記構造体において、前記リガメントのうちの少なくともいくつかの前記横寸法が前記第1の層及び前記第2の層の前記横寸法よりも小さく、前記第1の層及び前記第2の層の前記横寸法よりも小さい横寸法を有する前記リガメントの脇に、横方向に隣り合ったリガメントが配置される、請求項1〜10のいずれか一項に記載の吸収性物品。
- 前記構造体において、1つ以上のリガメントにおいて、前記第1のリガメント付着領域及び/又は前記第2のリガメント付着領域に直接隣接する前記自由中間部分のそれらの部分が、前記リガメントの残りの自由中間部分と異なる曲げ剛性、異なる引張強度、又は異なる曲げ剛性及び引張強度を有する、請求項1〜11のいずれか一項に記載の吸収性物品。
- 前記構造体において、前記第1の層及び前記第2の層が、前記構造体の前記横方向縁部の一方において折り重ねられる単一の連続した材料で作製され、それにより、前記第1の層の前記横方向縁部の一方は前記第2の層の前記横方向縁部の一方と一致し、これらの横方向縁部は前記第1の層及び前記第2の層の境界面に位置する、請求項1〜12のいずれか一項に記載の吸収性物品。
- 前記吸収性物品が、おむつ、パンツ及び生理用ナプキンからなる群から選択され、前記構造体が、前側腰部構造、後側腰部構造、ランディング区域、1つ又は2つの前側耳部、1つ又は2つの後側耳部のうちの1つ以上に含まれる、請求項1〜13のいずれか一項に記載の吸収性物品。
- 前記構造体の前記縦寸法が前記吸収性物品の横方向中心線と実質的に平行であり、前記構造体の前記横寸法が前記吸収性物品の縦方向中心線と実質的に平行である、請求項14に記載の吸収性物品。
- 前記構造体の前記横方向縁部又はその近傍における前記第1の層及び前記第2の層の区域が前記吸収性物品に付着される、請求項1〜15のいずれか一項に記載の吸収性物品。
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US201314022267A | 2013-09-10 | 2013-09-10 | |
US14/022,267 | 2013-09-10 | ||
PCT/US2014/054483 WO2015038456A1 (en) | 2013-09-10 | 2014-09-08 | Absorbent articles comprising auxetic cell forming structures |
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JP6185179B2 true JP6185179B2 (ja) | 2017-08-23 |
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US (1) | US20150073372A1 (ja) |
EP (1) | EP3043759A1 (ja) |
JP (1) | JP6185179B2 (ja) |
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WO (1) | WO2015038456A1 (ja) |
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JP2016533841A (ja) * | 2013-09-10 | 2016-11-04 | ザ プロクター アンド ギャンブル カンパニー | セル形成構造体 |
EP2995289A1 (en) * | 2014-09-10 | 2016-03-16 | The Procter and Gamble Company | Multi-level cell forming structures and their use in disposable consumer products |
US10716716B2 (en) | 2015-03-18 | 2020-07-21 | The Procter & Gamble Company | Absorbent article with leg cuffs |
WO2016149603A1 (en) | 2015-03-18 | 2016-09-22 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
CN108093621A (zh) | 2015-03-18 | 2018-05-29 | 宝洁公司 | 带有腰衬圈元件和腿箍的吸收制品 |
BR112017019874A2 (pt) | 2015-03-18 | 2018-05-29 | Procter & Gamble | artigo absorvente com braçadeiras para as pernas |
CN107405226B (zh) | 2015-03-18 | 2021-02-05 | 宝洁公司 | 具有腿箍的吸收制品 |
WO2016149593A1 (en) | 2015-03-18 | 2016-09-22 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
BR112017019872A2 (pt) | 2015-03-18 | 2018-05-29 | The Procter & Gamble Company | artigo absorvente com punhos para as pernas |
WO2016149589A1 (en) | 2015-03-18 | 2016-09-22 | The Procter & Gamble Company | Absorbent article with leg cuffs |
WO2016149596A1 (en) | 2015-03-18 | 2016-09-22 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
WO2016149595A1 (en) | 2015-03-18 | 2016-09-22 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
WO2018183672A1 (en) | 2017-03-31 | 2018-10-04 | Kimberly-Clark Worldwide, Inc. | Absorbent article with an exudate management layer |
AU2018244777B2 (en) | 2017-03-31 | 2023-02-02 | Kimberly-Clark Worldwide, Inc. | Absorbent article with an exudate management layer |
US11596561B2 (en) * | 2017-03-31 | 2023-03-07 | Kimberly-Clark Worldwide, Inc. | Absorbent article with an exudate management layer |
CN110403764B (zh) * | 2019-07-26 | 2021-05-04 | 福建恒安集团有限公司 | 一种平角裤式卫生巾的制备方法 |
KR102447724B1 (ko) * | 2021-12-31 | 2022-09-27 | 한국과학기술연구원 | 신축 균일도가 향상된 신축성 기판 및 그 제조 방법 |
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US3860003B2 (en) | 1973-11-21 | 1990-06-19 | Contractable side portions for disposable diaper | |
US5098755A (en) * | 1990-11-21 | 1992-03-24 | Tanquary Albert C | Textured thermoplastic elastomeric film, articles comprising same, and method of making such textured thermoplastic elastomeric film and articles |
US5221274A (en) | 1991-06-13 | 1993-06-22 | The Procter & Gamble Company | Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge |
US5518801A (en) * | 1993-08-03 | 1996-05-21 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior |
DE69417057T2 (de) | 1993-11-19 | 1999-07-15 | Procter & Gamble | Absorbierende artikel mit multidirektionalen dehnbaren seitenflügeln |
US5554145A (en) | 1994-02-28 | 1996-09-10 | The Procter & Gamble Company | Absorbent article with multiple zone structural elastic-like film web extensible waist feature |
SE502549C2 (sv) * | 1994-03-18 | 1995-11-13 | Moelnlycke Ab | Absorberande artikel, såsom en blöja, innefattande ett öppningsförsett toppskikt |
US5554142A (en) * | 1994-11-30 | 1996-09-10 | The Procter & Gamble Company | Absorbent article having multiple effective height transverse partition |
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US5569234A (en) | 1995-04-03 | 1996-10-29 | The Procter & Gamble Company | Disposable pull-on pant |
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US5650214A (en) * | 1996-05-31 | 1997-07-22 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior and soft, cloth-like texture |
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US6989075B1 (en) * | 2000-11-03 | 2006-01-24 | The Procter & Gamble Company | Tension activatable substrate |
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WO2007046069A1 (en) | 2005-10-21 | 2007-04-26 | The Procter & Gamble Company | Absorbent article comprising auxetic materials |
US7812214B2 (en) * | 2006-02-28 | 2010-10-12 | Kimberly-Clark Worldwide, Inc. | Absorbent article featuring a laminated material with a low Poisson's Ratio |
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EP2762116A1 (en) * | 2013-02-01 | 2014-08-06 | The Procter & Gamble Company | Diaper with separator sheet |
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2014
- 2014-09-08 US US14/479,838 patent/US20150073372A1/en not_active Abandoned
- 2014-09-08 EP EP14771471.1A patent/EP3043759A1/en not_active Withdrawn
- 2014-09-08 CN CN201480049954.XA patent/CN105530901A/zh active Pending
- 2014-09-08 WO PCT/US2014/054483 patent/WO2015038456A1/en active Application Filing
- 2014-09-08 JP JP2016540452A patent/JP6185179B2/ja not_active Expired - Fee Related
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