RU2428724C2 - Рельефные микроструктуры поверхности с оптическими эффектами и способ их получения - Google Patents

Рельефные микроструктуры поверхности с оптическими эффектами и способ их получения Download PDF

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Publication number
RU2428724C2
RU2428724C2 RU2008148828/28A RU2008148828A RU2428724C2 RU 2428724 C2 RU2428724 C2 RU 2428724C2 RU 2008148828/28 A RU2008148828/28 A RU 2008148828/28A RU 2008148828 A RU2008148828 A RU 2008148828A RU 2428724 C2 RU2428724 C2 RU 2428724C2
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Russia
Prior art keywords
relief
microstructure
template
microstructures
elevations
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RU2008148828/28A
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English (en)
Russian (ru)
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RU2008148828A (ru
Inventor
Мартин ШТАЛЬДЕР (CH)
Мартин ШТАЛЬДЕР
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Ролик Аг
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Application filed by Ролик Аг filed Critical Ролик Аг
Publication of RU2008148828A publication Critical patent/RU2008148828A/ru
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00865Applying coatings; tinting; colouring
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29Securities; Bank notes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/324Reliefs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/328Diffraction gratings; Holograms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/405Marking
    • B42D25/43Marking by removal of material
    • B42D25/445Marking by removal of material using chemical means, e.g. etching
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0263Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0268Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284Diffusing elements; Afocal elements characterized by the use used in reflection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Credit Cards Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
RU2008148828/28A 2006-05-12 2007-05-07 Рельефные микроструктуры поверхности с оптическими эффектами и способ их получения RU2428724C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06113901A EP1855127A1 (en) 2006-05-12 2006-05-12 Optically effective surface relief microstructures and method of making them
EP06113901.0 2006-05-12

Publications (2)

Publication Number Publication Date
RU2008148828A RU2008148828A (ru) 2010-08-10
RU2428724C2 true RU2428724C2 (ru) 2011-09-10

Family

ID=36997641

Family Applications (1)

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RU2008148828/28A RU2428724C2 (ru) 2006-05-12 2007-05-07 Рельефные микроструктуры поверхности с оптическими эффектами и способ их получения

Country Status (9)

Country Link
US (2) US8840146B2 (https=)
EP (4) EP1855127A1 (https=)
JP (1) JP5570210B2 (https=)
CN (2) CN101443681B (https=)
BR (1) BRPI0711415B1 (https=)
ES (1) ES2510515T3 (https=)
RU (1) RU2428724C2 (https=)
TW (1) TWI437276B (https=)
WO (1) WO2007131375A1 (https=)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1855127A1 (en) 2006-05-12 2007-11-14 Rolic AG Optically effective surface relief microstructures and method of making them
JP4961944B2 (ja) 2006-10-24 2012-06-27 凸版印刷株式会社 表示体及び印刷物
DE102008005019B4 (de) 2008-01-17 2010-08-05 Ovd Kinegram Ag Folienelement sowie die Verwendung dieses Folienelements
DE102008007620A1 (de) * 2008-02-04 2009-08-27 Hologram Industries Research Gmbh Verfahren zur Individualisierung von Volumenhologrammen und damit hergestellte Sicherheitselemente
WO2009125769A1 (ja) * 2008-04-08 2009-10-15 株式会社ニコン 光学素子及びその製造方法、光学装置
EP3040747B1 (en) * 2008-04-18 2022-06-22 Toppan Printing Co., Ltd. Display and labeled article
JP2012517919A (ja) * 2009-02-18 2012-08-09 ロリク アーゲー 表面レリーフ微細構造、関連するデバイスおよびそれらを作製する方法
CN105068168A (zh) 2009-12-01 2015-11-18 凸版印刷株式会社 显示体及带标签的物品
EP2585862B8 (en) 2010-06-25 2017-10-11 Andrew Richard Parker Optical effect structures
JP2012078447A (ja) * 2010-09-30 2012-04-19 Toppan Printing Co Ltd 表示体及びラベル付き物品
EP2441593B1 (en) * 2010-10-13 2020-04-15 Hueck Folien Gesellschaft m.b.H. Security element with achromatic features
CN102455592B (zh) * 2010-10-22 2013-12-04 比亚迪股份有限公司 一种菲林的制作方法
IT1402447B1 (it) * 2010-11-10 2013-09-13 Plasma Solution S R L Realizzazione di etichette anticontraffazione dotate di grafica identificativa nascosta.
FR2968239B1 (fr) * 2010-12-07 2012-12-21 Hologram Ind Produit securise et methode de fabrication dudit produit securise
DE102011014114B3 (de) * 2011-03-15 2012-05-10 Ovd Kinegram Ag Mehrschichtkörper und Verfahren zur Herstellung eines Mehrschichtkörpers
WO2012143426A1 (en) 2011-04-20 2012-10-26 Rolic Ag Asymmetric optically effective surface relief microstructures and method of making them
WO2013073462A1 (ja) * 2011-11-14 2013-05-23 大日本印刷株式会社 偽造防止用マーカーシート及びその製造方法、偽造防止機能付与部材、偽造防止機能を備えた物品
DE102011121588A1 (de) 2011-12-20 2013-06-20 Giesecke & Devrient Gmbh Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen
EP2635006B1 (en) * 2012-03-02 2018-12-19 LG Electronics, Inc. Mobile terminal comprising an image module provided thereon
JP2013182269A (ja) * 2012-03-05 2013-09-12 Oji Holdings Corp 光拡散体および光源ユニット
FR2989474B1 (fr) * 2012-04-13 2014-11-28 Hologram Ind Composant optique de securite, fabrication d'un tel composant et produit securise equipe d'un tel composant
DE102012105571B4 (de) * 2012-06-26 2017-03-09 Ovd Kinegram Ag Dekorelement sowie Sicherheitsdokument mit einem Dekorelement
US20140009838A1 (en) * 2012-07-03 2014-01-09 3M Innovative Properties Company Decorative film articles utilizing fresnel lens films
EP2927714B1 (en) * 2012-11-29 2020-04-01 Tomoegawa Co., Ltd. Anisotropic optical film
US9939682B2 (en) 2013-02-15 2018-04-10 E-Vision, Llc Liquid crystal alignment layers and method of fabrication
WO2015172190A1 (en) * 2014-05-16 2015-11-19 Innovia Security Pty Ltd Hybrid security device for security document or token
AT515845B1 (de) * 2014-06-10 2017-05-15 Hueck Folien Gmbh Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements mit lichtstreuenden Strukturen
WO2016065331A2 (en) 2014-10-24 2016-04-28 Wavefront Technology, Inc. Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
EP3591442A1 (en) 2015-03-31 2020-01-08 Andrew Richard Parker Optical effect structures
CN104766537A (zh) * 2015-04-15 2015-07-08 四川云盾光电科技有限公司 一种基于微纳结构的激光散射图像显示方法
US11054551B2 (en) 2015-04-16 2021-07-06 Rolic Ag Multiple image scattering device
US9751618B2 (en) * 2015-05-06 2017-09-05 The Boeing Company Optical effects for aerodynamic microstructures
EP3795367A1 (en) 2015-07-13 2021-03-24 Wavefront Technology, Inc. Optical products
WO2017025336A1 (en) * 2015-08-07 2017-02-16 Rolic Ag Azimuthally modulated scattering device
EP3572852B1 (en) 2015-10-19 2020-12-09 Toppan Printing Co., Ltd. Display, article with display, and method of observing display
JP6907943B2 (ja) 2016-01-07 2021-07-21 凸版印刷株式会社 光学素子、および光学素子付き物品
US12589611B2 (en) 2016-04-22 2026-03-31 Hueck Folien Gesellschaft M.B.H. Optical switch devices
EP3405353A4 (en) 2016-04-22 2019-11-06 Wavefront Technology, Inc. OPTICAL SWITCHING DEVICES
JP6834344B2 (ja) 2016-05-06 2021-02-24 凸版印刷株式会社 表示体
WO2017191842A1 (ja) 2016-05-06 2017-11-09 凸版印刷株式会社 表示体
JP7140123B2 (ja) 2017-07-26 2022-09-21 凸版印刷株式会社 光学構造体および認証体
US10802185B2 (en) * 2017-08-16 2020-10-13 Lumentum Operations Llc Multi-level diffractive optical element thin film coating
US10712475B2 (en) 2017-08-16 2020-07-14 Lumentum Operations Llc Multi-layer thin film stack for diffractive optical elements
WO2019077419A1 (en) 2017-10-20 2019-04-25 Wavefront Technology, Inc. OPTICAL SWITCH DEVICES
CN107817541B (zh) * 2017-10-31 2019-09-17 武汉华星光电技术有限公司 抗眩盖板的制作方法
CA3134512A1 (en) 2019-04-19 2020-10-22 Wavefront Technology, Inc. Optical switch devices
WO2021243231A2 (en) * 2020-05-29 2021-12-02 Nike, Inc. Structurally-colored articles and methods for making and using structurally-colored articles
US12360391B2 (en) 2020-10-07 2025-07-15 Wavefront Technology, Inc. Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
EP4217773A4 (en) 2020-10-07 2024-10-23 Wavefront Technology, Inc. OPTICAL PRODUCTS, TEMPLATES FOR MANUFACTURING OPTICAL PRODUCTS AND METHODS FOR MANUFACTURING TEMPLATES AND OPTICAL PRODUCTS
CN112185237B (zh) * 2020-10-28 2025-03-14 武汉华工图像技术开发有限公司 一种加密数码标识及其制备方法
EP4067102A1 (en) 2021-04-02 2022-10-05 Kaunas University of Technology An optical device with ordered scatterer arrays for secure identity and a method of producing the same
CN113866171B (zh) * 2021-12-02 2022-03-18 武汉飞恩微电子有限公司 电路板点胶检测方法、设备及计算机可读存储介质
DE102022109228A1 (de) * 2022-04-14 2023-10-19 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge sowie Herstellungsverfahren
CN115032805B (zh) * 2022-06-28 2025-03-07 绍兴燃腾光电科技股份有限公司 分束器、光学组件及其应用
WO2025247588A1 (en) 2024-05-31 2025-12-04 Rolic Technologies AG Optical security device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2154303C2 (ru) * 1994-07-02 2000-08-10 Леонхард Курц ГмбХ унд Ко Структурное устройство с рельефной структурой дифракционного действия
RU2004136313A (ru) * 2002-05-14 2005-05-10 Леонхард Курц Гмбх Унд Ко. Кг (De) Оптически изменяемый элемент
JP2005326455A (ja) * 2004-05-12 2005-11-24 Dainippon Printing Co Ltd 光回折構造体

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329410A (en) * 1979-12-26 1982-05-11 The Perkin-Elmer Corporation Production of X-ray lithograph masks
US5084351A (en) 1979-12-28 1992-01-28 Flex Products, Inc. Optically variable multilayer thin film interference stack on flexible insoluble web
EP0525477B1 (de) 1991-07-26 1998-09-16 Rolic AG Orientierte Photopolymere und Verfahren zu ihrer Herstellung
ATE208049T1 (de) * 1993-08-06 2001-11-15 Commw Scient Ind Res Org Diffraktives gerät
EP0712012A1 (en) * 1994-11-09 1996-05-15 International Business Machines Corporation Authentication label and authenticating pattern incorporating diffracting structure and method of fabricating them
JPH09121363A (ja) * 1995-08-17 1997-05-06 Eastman Kodak Co エイリアシングを防止するための波長選択性を有する位相型低域通過光学フィルタおよびその製造方法
US6162306A (en) * 1997-11-04 2000-12-19 Kawasaki Steel Corporation Electromagnetic steel sheet having excellent high-frequency magnetic properities and method
DE19940389A1 (de) * 1999-08-25 2001-03-01 Wilex Biotechnology Gmbh Selektive Inhibitoren des Urokinase-Plasminogen Aktivators
HK1044960A1 (zh) * 1999-10-19 2002-11-08 Rolic Ag 拓撲結構化的聚合物塗層
GB9928126D0 (en) * 1999-11-30 2000-01-26 Secr Defence Bistable nematic liquid crystal device
JP3391763B2 (ja) * 2000-03-03 2003-03-31 沖電気工業株式会社 マスクの製造方法
US6322938B1 (en) * 2000-05-22 2001-11-27 The United States Of America As Represented By The Secretary Of The Air Force Nanolithography for multi-passband grating filters
EP1305656A4 (en) * 2000-07-31 2006-03-08 Rochester Photonics Corp STRUCTURED UMBRELLAS FOR REGULATED DIFFUSION OF LIGHT
US6686042B1 (en) * 2000-09-22 2004-02-03 Flex Products, Inc. Optically variable pigments and foils with enhanced color shifting properties
US6686027B1 (en) * 2000-09-25 2004-02-03 Agra Vadeko Inc. Security substrate for documents of value
JP3753673B2 (ja) * 2001-06-20 2006-03-08 セイコーエプソン株式会社 液晶表示装置の製造方法
US6510200B1 (en) * 2001-06-29 2003-01-21 Osmic, Inc. Multi-layer structure with variable bandpass for monochromatization and spectroscopy
US6855408B2 (en) * 2002-01-25 2005-02-15 Showa Denko K.K. Composite metal material and method for manufacturing the same, etched metal material and method for manufacturing the same and electrolytic capacitor
KR100501247B1 (ko) 2002-04-17 2005-07-18 광주과학기술원 아조벤젠 물질을 이용한 에칭 마스크
US6862141B2 (en) * 2002-05-20 2005-03-01 General Electric Company Optical substrate and method of making
EP1400838A1 (en) 2002-09-19 2004-03-24 Rolic AG Thin films with corrugated surface topologies and method to produce them
US6902871B2 (en) * 2002-10-03 2005-06-07 Lumera Corporation Method for manufacturing polymer microstructures and polymer waveguides
US6958207B1 (en) * 2002-12-07 2005-10-25 Niyaz Khusnatdinov Method for producing large area antireflective microtextured surfaces
CN1823295A (zh) * 2003-07-17 2006-08-23 皇家飞利浦电子股份有限公司 制造反射镜以及包括这种反射镜的液晶显示器件的方法
US7252869B2 (en) * 2003-10-30 2007-08-07 Niyaz Khusnatdinov Microtextured antireflective surfaces with reduced diffraction intensity
DE102004003984A1 (de) * 2004-01-26 2005-08-11 Giesecke & Devrient Gmbh Gitterbild mit einem oder mehreren Gitterfeldern
JP2005215642A (ja) * 2004-02-02 2005-08-11 Shin Sti Technology Kk フォトマスク及び拡散反射板の製造方法
JP4649222B2 (ja) * 2004-03-31 2011-03-09 キヤノン株式会社 結像レンズの製造方法
US7268948B2 (en) * 2004-03-31 2007-09-11 Canon Kabushiki Kaisha Optical element and optical scanning device using the same
US6979521B1 (en) * 2004-06-29 2005-12-27 Matsushita Electric Industrial Co., Ltd. Method of making grayscale mask for grayscale DOE production by using an absorber layer
JP5039548B2 (ja) 2004-07-21 2012-10-03 ロリク アーゲー 異方性光学デバイス及びその作製方法
EP1855127A1 (en) * 2006-05-12 2007-11-14 Rolic AG Optically effective surface relief microstructures and method of making them

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2154303C2 (ru) * 1994-07-02 2000-08-10 Леонхард Курц ГмбХ унд Ко Структурное устройство с рельефной структурой дифракционного действия
RU2004136313A (ru) * 2002-05-14 2005-05-10 Леонхард Курц Гмбх Унд Ко. Кг (De) Оптически изменяемый элемент
JP2005326455A (ja) * 2004-05-12 2005-11-24 Dainippon Printing Co Ltd 光回折構造体

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Publication number Publication date
US8840146B2 (en) 2014-09-23
TW200745620A (en) 2007-12-16
TWI437276B (zh) 2014-05-11
CN102495525B (zh) 2015-09-09
CN102495525A (zh) 2012-06-13
EP2565686B1 (en) 2018-04-04
EP1855127A1 (en) 2007-11-14
CN101443681A (zh) 2009-05-27
ES2510515T3 (es) 2014-10-21
EP2565686A1 (en) 2013-03-06
EP3355087B1 (en) 2025-12-17
JP2009536883A (ja) 2009-10-22
US20090179418A1 (en) 2009-07-16
RU2008148828A (ru) 2010-08-10
JP5570210B2 (ja) 2014-08-13
US20140106091A1 (en) 2014-04-17
EP2021837B1 (en) 2014-07-09
CN101443681B (zh) 2012-01-11
WO2007131375A1 (en) 2007-11-22
US10350843B2 (en) 2019-07-16
BRPI0711415A2 (pt) 2011-11-01
EP3355087A1 (en) 2018-08-01
BRPI0711415B1 (pt) 2019-01-02
EP2021837A1 (en) 2009-02-11

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