TWI648158B - 防止缺陷形成之多層夾層 - Google Patents

防止缺陷形成之多層夾層 Download PDF

Info

Publication number
TWI648158B
TWI648158B TW104129077A TW104129077A TWI648158B TW I648158 B TWI648158 B TW I648158B TW 104129077 A TW104129077 A TW 104129077A TW 104129077 A TW104129077 A TW 104129077A TW I648158 B TWI648158 B TW I648158B
Authority
TW
Taiwan
Prior art keywords
resin
plasticizer
polymer interlayer
interlayer
hydroxyl content
Prior art date
Application number
TW104129077A
Other languages
English (en)
Chinese (zh)
Other versions
TW201613766A (en
Inventor
俊 盧
Original Assignee
美商索魯提亞有限公司
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 美商索魯提亞有限公司 filed Critical 美商索魯提亞有限公司
Publication of TW201613766A publication Critical patent/TW201613766A/zh
Application granted granted Critical
Publication of TWI648158B publication Critical patent/TWI648158B/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10559—Shape of the cross-section
    • B32B17/10577—Surface roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10605—Type of plasticiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/418—Refractive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/12—Photovoltaic modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
TW104129077A 2014-10-02 2015-09-02 防止缺陷形成之多層夾層 TWI648158B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/505,247 US20160096350A1 (en) 2014-10-02 2014-10-02 Multiple layer interlayer resisting defect formation
US14/505,247 2014-10-02

Publications (2)

Publication Number Publication Date
TW201613766A TW201613766A (en) 2016-04-16
TWI648158B true TWI648158B (zh) 2019-01-21

Family

ID=55631273

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104129077A TWI648158B (zh) 2014-10-02 2015-09-02 防止缺陷形成之多層夾層

Country Status (8)

Country Link
US (1) US20160096350A1 (OSRAM)
EP (1) EP3200994B1 (OSRAM)
JP (1) JP6671357B2 (OSRAM)
KR (1) KR102490779B1 (OSRAM)
CN (1) CN107107564B (OSRAM)
MX (1) MX382856B (OSRAM)
TW (1) TWI648158B (OSRAM)
WO (1) WO2016053701A1 (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9254625B2 (en) 2013-06-10 2016-02-09 Solutia Inc. Polymer interlayers having improved optical properties
US9809009B2 (en) * 2014-12-08 2017-11-07 Solutia Inc. Multiple layer interlayer having improved optical and sound insulation properties
US9975315B2 (en) 2014-12-08 2018-05-22 Solutia Inc. Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties
CN107207817B (zh) * 2014-12-08 2021-01-05 首诺公司 具有增强的光学特性的聚(乙烯醇缩醛)树脂组合物、层和夹层
US20160159051A1 (en) 2014-12-08 2016-06-09 Solutia Inc. Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties
US9963583B2 (en) 2014-12-08 2018-05-08 Solutia Inc. Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties
KR101806943B1 (ko) 2016-09-07 2017-12-08 애경유화 주식회사 유연성 pvc 수지 조성물
CN109922958A (zh) 2016-10-28 2019-06-21 可乐丽美国股份有限公司 楔形多层夹层和玻璃层压板
WO2020263594A1 (en) 2019-06-26 2020-12-30 Eastman Chemical Company Mixed ester terephthalate compositions useful as plasticizers
CN114096601B (zh) 2019-06-26 2024-03-29 伊士曼化工公司 用作增塑剂的环己烷二羧酸酯混合酯组合物
CN114008119A (zh) 2019-06-26 2022-02-01 伊士曼化工公司 二醇醚芳基酯增塑剂
CN114026162B (zh) * 2019-06-26 2024-04-02 伊士曼化工公司 用于聚氯乙烯树脂组合物的非邻苯二甲酸酯增塑剂共混物
MX2024004135A (es) * 2021-11-22 2024-04-22 Solutia Inc Capas intermedias de polimero con burbujas de borde reducidas.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070144654A1 (en) * 2003-09-02 2007-06-28 E. I. Du Pont De Nemours And Company Process for removing defects from glass laminates
US20130074931A1 (en) * 2011-09-22 2013-03-28 Wenjie Chen Polymer interlayers comprising epoxidized vegetable oil
US20130236693A1 (en) * 2012-03-09 2013-09-12 Solutia Inc. Defect resisting acoustic polymer interlayers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100681B4 (de) * 2001-01-09 2005-11-24 Kuraray Specialities Europe Gmbh Weichmacherhaltige Polyvinylbutyrale, Verfahren zu deren Herstellung sowie deren Verwendung, insbesondere zur Herstellung von Folien zum Einsatz in Verbundsicherheitsgläsern
DE102004000023A1 (de) * 2004-08-17 2006-02-23 Kuraray Specialities Europe Gmbh Verfahren zur Herstellung von Folienlaminaten für Verbundverglasungen aus Teilfolien unterschiedlicher Zusammensetzung
US7846532B2 (en) * 2005-03-17 2010-12-07 Solutia Incorporated Sound reducing wedge shaped polymer interlayers
US7510771B2 (en) * 2005-03-17 2009-03-31 Solutia Incorporated Sound reducing polymer interlayers
US20080254302A1 (en) * 2007-04-13 2008-10-16 David Paul Bourcier Multiple layer polymer interlayers having a melt fractured surface
US20080268204A1 (en) * 2007-04-29 2008-10-30 David Paul Bourcier Multiple layer polymer interlayers having an embossed surface
US20080268270A1 (en) * 2007-04-30 2008-10-30 Wenjie Chen High impact polymer interlayers
BRPI0912135A2 (pt) * 2008-05-27 2015-11-03 Solutia Inc módulo fotovoltaico de película fina
EP2153989B1 (de) * 2008-08-01 2021-09-29 Kuraray Europe GmbH Mehrschichtfolien aus weichmacherhaltigem Polyvinylacetal mit schalldämpfenden Eigenschaften
US9169372B2 (en) * 2010-12-30 2015-10-27 Emerald Kalama Chemical, Llc Dibenzoate plasticizers/coalescent blends for low VOC coatings
EP2548727A1 (de) * 2011-07-22 2013-01-23 Kuraray Europe GmbH Hochfeste Folienlaminate mit Schichten von weichmacherhaltigem Polyvinyl(n)acetal und weichmacherhaltigem Polyvinyl(iso)acetal
US9346947B2 (en) * 2013-03-14 2016-05-24 Solutia Inc. Hydrogen peroxide as a reactive extrusion additive for poly(vinyl butyral)
EP2977402A4 (en) * 2013-03-22 2016-11-16 Kuraray Co COMPOSITION WITH EXCELLENT TRANSPARENCY
JP5529345B1 (ja) * 2013-03-22 2014-06-25 株式会社クラレ ポリビニルアセタール組成物
WO2014188542A1 (ja) * 2013-05-22 2014-11-27 株式会社クラレ 層間接着性に優れる積層体
US9254625B2 (en) * 2013-06-10 2016-02-09 Solutia Inc. Polymer interlayers having improved optical properties

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070144654A1 (en) * 2003-09-02 2007-06-28 E. I. Du Pont De Nemours And Company Process for removing defects from glass laminates
US20130074931A1 (en) * 2011-09-22 2013-03-28 Wenjie Chen Polymer interlayers comprising epoxidized vegetable oil
US20130236693A1 (en) * 2012-03-09 2013-09-12 Solutia Inc. Defect resisting acoustic polymer interlayers

Also Published As

Publication number Publication date
EP3200994A4 (en) 2018-05-09
KR102490779B1 (ko) 2023-01-19
MX382856B (es) 2025-03-13
EP3200994A1 (en) 2017-08-09
US20160096350A1 (en) 2016-04-07
CN107107564A (zh) 2017-08-29
TW201613766A (en) 2016-04-16
CN107107564B (zh) 2019-04-16
EP3200994B1 (en) 2019-01-30
JP6671357B2 (ja) 2020-03-25
MX2017003313A (es) 2017-06-23
JP2017537809A (ja) 2017-12-21
WO2016053701A1 (en) 2016-04-07
KR20170065606A (ko) 2017-06-13

Similar Documents

Publication Publication Date Title
TWI700185B (zh) 防止缺陷形成之多層夾層
JP6714066B2 (ja) 2種類以上の樹脂のブレンドを含むポリマー中間層
EP3200994B1 (en) Multiple layer interlayer resisting defect formation
US20170253010A1 (en) Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US20200139678A1 (en) Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US9931821B2 (en) Multiple layer interlayers having enhanced properties
CN117500661A (zh) 具有改进隔音特性的层合玻璃窗
US12545012B2 (en) Multiple layer interlayer having improved acoustic properties
CN110114217A (zh) 具有增强性质的多层夹层

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees