ATE390247T1 - Beschichteter schleifartikel mit bindeschicht und herstellungs- und verwendungsverfahren dafür - Google Patents

Beschichteter schleifartikel mit bindeschicht und herstellungs- und verwendungsverfahren dafür

Info

Publication number
ATE390247T1
ATE390247T1 AT05741860T AT05741860T ATE390247T1 AT E390247 T1 ATE390247 T1 AT E390247T1 AT 05741860 T AT05741860 T AT 05741860T AT 05741860 T AT05741860 T AT 05741860T AT E390247 T1 ATE390247 T1 AT E390247T1
Authority
AT
Austria
Prior art keywords
coated abrasive
production
abrasive article
bond layer
oligomer
Prior art date
Application number
AT05741860T
Other languages
English (en)
Inventor
Steven J Keipert
Ernest L Thurber
Don H Kincaid
Ronald D Provow
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE390247T1 publication Critical patent/ATE390247T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
    • B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
    • B24D3/004—Flexible supporting members, e.g. paper, woven, plastic materials with special coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001—Manufacture of flexible abrasive materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
AT05741860T 2004-06-18 2005-04-19 Beschichteter schleifartikel mit bindeschicht und herstellungs- und verwendungsverfahren dafür ATE390247T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/871,455 US7150770B2 (en) 2004-06-18 2004-06-18 Coated abrasive article with tie layer, and method of making and using the same

Publications (1)

Publication Number Publication Date
ATE390247T1 true ATE390247T1 (de) 2008-04-15

Family

ID=34967709

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05741860T ATE390247T1 (de) 2004-06-18 2005-04-19 Beschichteter schleifartikel mit bindeschicht und herstellungs- und verwendungsverfahren dafür

Country Status (10)

Country Link
US (1) US7150770B2 (de)
EP (1) EP1776209B1 (de)
JP (1) JP4782783B2 (de)
KR (1) KR101106912B1 (de)
CN (1) CN100522488C (de)
AT (1) ATE390247T1 (de)
BR (1) BRPI0512059B1 (de)
CA (1) CA2569870A1 (de)
DE (1) DE602005005682T2 (de)
WO (1) WO2006006999A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050282029A1 (en) * 2004-06-18 2005-12-22 3M Innovative Properties Company Polymerizable composition and articles therefrom
EP2305426A1 (de) * 2005-12-07 2011-04-06 sia Abrasives Industries AG Schleifwerkzeug
US7875388B2 (en) 2007-02-06 2011-01-25 3M Innovative Properties Company Electrodes including polyacrylate binders and methods of making and using the same
US8038750B2 (en) 2007-07-13 2011-10-18 3M Innovative Properties Company Structured abrasive with overlayer, and method of making and using the same
KR101464800B1 (ko) * 2007-08-13 2014-11-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 코팅된 연마 라미네이트 디스크 및 그의 제조 방법
US20090111022A1 (en) * 2007-10-24 2009-04-30 3M Innovative Properties Company Electrode compositions and methods
US20100011672A1 (en) * 2008-07-16 2010-01-21 Kincaid Don H Coated abrasive article and method of making and using the same
MX2011005166A (es) * 2008-11-17 2011-06-17 Saint Gobain Abrasives Inc Productos abrasivos de adhesion fenolicos de color estabilizado con acrilato y metodos para prepararlos.
US7857080B2 (en) 2009-01-19 2010-12-28 Hitachi Automotive Products (Usa), Inc. System for selectively consuming and storing electrical energy in a hybrid vehicle
CN101704224B (zh) * 2009-11-06 2011-05-04 南京航空航天大学 带有过渡层和粘接层的固结磨料研磨抛光垫
RU2017118071A (ru) * 2012-07-06 2018-10-29 3М Инновейтив Пропертиз Компани Абразивное изделие с покрытием
CN102862128B (zh) * 2012-09-20 2015-10-21 北京国瑞升科技股份有限公司 一种凹凸结构磨料制品及其制备方法
AR093483A1 (es) * 2012-11-20 2015-06-10 Saint Gobain Abrasives Inc Articulo abrasivo que comprende particulas abrasivas de una composicion compuesta
BR112016006779A2 (pt) * 2014-05-01 2017-08-01 3M Innovative Properties Co artigos abrasivos flexíveis e método de abrasão de uma peça de trabalho
US9844853B2 (en) 2014-12-30 2017-12-19 Saint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs Abrasive tools and methods for forming same
AU2016381202B2 (en) * 2015-12-30 2019-03-14 Saint-Gobain Abrasifs Abrasive tools and methods for forming same
CN116460755A (zh) * 2016-03-28 2023-07-21 圣戈班磨料磨具有限公司 包括包装的研磨制品
EP3519137A4 (de) * 2016-09-30 2020-06-10 3M Innovative Properties Company Schleifartikel und verfahren zur herstellung davon
CN109890930B (zh) 2016-10-25 2021-03-16 3M创新有限公司 可磁化磨料颗粒及其制备方法
US11253972B2 (en) 2016-10-25 2022-02-22 3M Innovative Properties Company Structured abrasive articles and methods of making the same
US11072732B2 (en) 2016-10-25 2021-07-27 3M Innovative Properties Company Magnetizable abrasive particles and abrasive articles including them
CN109863568B (zh) 2016-10-25 2020-05-15 3M创新有限公司 制备可磁化磨料颗粒的方法
US11945076B2 (en) 2018-07-23 2024-04-02 3M Innovative Properties Company Articles including polyester backing and primer layer and related methods
EP3837086B1 (de) 2018-08-13 2024-09-25 3M Innovative Properties Company Strukturierter schleifartikel und verfahren zur verwendung davon
EP3863799A1 (de) 2018-10-09 2021-08-18 3M Innovative Properties Company Behandelter träger und beschichteter schleifgegenstand damit
WO2021116882A1 (en) 2019-12-09 2021-06-17 3M Innovative Properties Company Abrasive article
US11612978B2 (en) 2020-06-09 2023-03-28 Applied Materials, Inc. Additive manufacturing of polishing pads
US11638979B2 (en) 2020-06-09 2023-05-02 Applied Materials, Inc. Additive manufacturing of polishing pads
CN115812022A (zh) * 2020-07-07 2023-03-17 3M创新有限公司 无划痕磨料复合物
CN116496600A (zh) * 2023-05-23 2023-07-28 都江堰市苏彭新材料科技有限公司 一种刹车片用石墨复合摩擦材料及其制备方法

Family Cites Families (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US556437A (en) * 1896-03-17 Electkio abo lamp
US3225013A (en) * 1964-10-12 1965-12-21 Minnesota Mining & Mfg Curable compositions of an organic acid anhydride and an alkylenimine derivative
US4314827A (en) * 1979-06-29 1982-02-09 Minnesota Mining And Manufacturing Company Non-fused aluminum oxide-based abrasive mineral
US4518397A (en) * 1979-06-29 1985-05-21 Minnesota Mining And Manufacturing Company Articles containing non-fused aluminum oxide-based abrasive mineral
US4588419A (en) * 1980-10-08 1986-05-13 Carborundum Abrasives Company Resin systems for high energy electron curable resin coated webs
US4623364A (en) * 1984-03-23 1986-11-18 Norton Company Abrasive material and method for preparing the same
US4525232A (en) * 1984-04-16 1985-06-25 Loctite (Ireland) Ltd. Polymerizable acrylic compositions having vinyl ether additive
CA1266568A (en) * 1984-05-09 1990-03-13 Minnesota Mining And Manufacturing Company Coated abrasive product incorporating selective mineral substitution
CA1266569A (en) * 1984-05-09 1990-03-13 Minnesota Mining And Manufacturing Company Coated abrasive product incorporating selective mineral substitution
US4598269A (en) * 1984-06-13 1986-07-01 Tektronix, Inc. Method and apparatus for processing an analog signal
US5227104A (en) * 1984-06-14 1993-07-13 Norton Company High solids content gels and a process for producing them
CA1254238A (en) * 1985-04-30 1989-05-16 Alvin P. Gerk Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products
US4822829A (en) * 1985-05-07 1989-04-18 Huels Troisdorf Aktiengesellschaft Radiation-curable macromers based on (meth)acrylate-functional polyesters, and their use
US4652275A (en) * 1985-08-07 1987-03-24 Minnesota Mining And Manufacturing Company Erodable agglomerates and abrasive products containing the same
US4749617A (en) * 1985-12-18 1988-06-07 Minnesota Mining And Manufacturing Company Composite article containing rigid layers
US4770671A (en) * 1985-12-30 1988-09-13 Minnesota Mining And Manufacturing Company Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith
US4751138A (en) * 1986-08-11 1988-06-14 Minnesota Mining And Manufacturing Company Coated abrasive having radiation curable binder
US4799939A (en) * 1987-02-26 1989-01-24 Minnesota Mining And Manufacturing Company Erodable agglomerates and abrasive products containing the same
US4881951A (en) * 1987-05-27 1989-11-21 Minnesota Mining And Manufacturing Co. Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith
US4939008A (en) * 1988-08-16 1990-07-03 Minnesota Mining And Manufacturing Company Composite film
US4927431A (en) * 1988-09-08 1990-05-22 Minnesota Mining And Manufacturing Company Binder for coated abrasives
US5011508A (en) * 1988-10-14 1991-04-30 Minnesota Mining And Manufacturing Company Shelling-resistant abrasive grain, a method of making the same, and abrasive products
US5108463B1 (en) * 1989-08-21 1996-08-13 Minnesota Mining & Mfg Conductive coated abrasives
US5139978A (en) * 1990-07-16 1992-08-18 Minnesota Mining And Manufacturing Company Impregnation method for transformation of transition alumina to a alpha alumina
US5137542A (en) * 1990-08-08 1992-08-11 Minnesota Mining And Manufacturing Company Abrasive printed with an electrically conductive ink
US5078753A (en) * 1990-10-09 1992-01-07 Minnesota Mining And Manufacturing Company Coated abrasive containing erodable agglomerates
CA2054554A1 (en) * 1990-11-14 1992-05-15 Chong Soo Lee Coated abrasive having an overcoating of an epoxy resin coatable from water and a grinding aid
US5090968A (en) * 1991-01-08 1992-02-25 Norton Company Process for the manufacture of filamentary abrasive particles
US5378251A (en) * 1991-02-06 1995-01-03 Minnesota Mining And Manufacturing Company Abrasive articles and methods of making and using same
US5152917B1 (en) * 1991-02-06 1998-01-13 Minnesota Mining & Mfg Structured abrasive article
US5316812A (en) * 1991-12-20 1994-05-31 Minnesota Mining And Manufacturing Company Coated abrasive backing
DE69228487T2 (de) * 1991-12-20 1999-09-02 Minnesota Mining And Mfg. Co. Ueberzogenes schleifband mit endlosem, verbandfreiem traeger und herstellungsverfahren
JPH0791396B2 (ja) * 1992-02-07 1995-10-04 ソマール株式会社 研磨用フイルム
CA2128089A1 (en) * 1992-02-12 1993-08-19 Herbert W. Schnabel A coated abrasive article containing an electrically conductive backing
US5203884A (en) * 1992-06-04 1993-04-20 Minnesota Mining And Manufacturing Company Abrasive article having vanadium oxide incorporated therein
DE4220958C2 (de) * 1992-06-25 1994-04-28 Ivoclar Ag Schaan Dentalmaterial
US5201916A (en) * 1992-07-23 1993-04-13 Minnesota Mining And Manufacturing Company Shaped abrasive particles and method of making same
US5366523A (en) * 1992-07-23 1994-11-22 Minnesota Mining And Manufacturing Company Abrasive article containing shaped abrasive particles
US5328716A (en) * 1992-08-11 1994-07-12 Minnesota Mining And Manufacturing Company Method of making a coated abrasive article containing a conductive backing
US5344688A (en) * 1992-08-19 1994-09-06 Minnesota Mining And Manufacturing Company Coated abrasive article and a method of making same
US5551961A (en) * 1992-09-15 1996-09-03 Minnesota Mining And Manufacturing Company Abrasive articles and methods of making same
US5611825A (en) * 1992-09-15 1997-03-18 Minnesota Mining And Manufacturing Company Abrasive articles and methods of making same
ATE151063T1 (de) * 1992-09-25 1997-04-15 Minnesota Mining & Mfg Aluminiumoxid und zirconiumoxid enthaltendes schleifkorn
BR9307113A (pt) * 1992-09-25 1999-03-30 Minnesota Mining & Mfg Grão abrasivo de cerâmica e processo para sua preparação
BR9307095A (pt) * 1992-09-25 1999-03-30 Minnesota Mining & Mfg Processo para preparar grãos de abrasivo
US5304224A (en) 1992-10-01 1994-04-19 Minnesota Mining And Manufacturing Company Coated abrasive article having a tear resistant backing
CA2115889A1 (en) * 1993-03-18 1994-09-19 David E. Broberg Coated abrasive article having diluent particles and shaped abrasive particles
US5436063A (en) * 1993-04-15 1995-07-25 Minnesota Mining And Manufacturing Company Coated abrasive article incorporating an energy cured hot melt make coat
US5441549A (en) * 1993-04-19 1995-08-15 Minnesota Mining And Manufacturing Company Abrasive articles comprising a grinding aid dispersed in a polymeric blend binder
US5306319A (en) * 1993-05-12 1994-04-26 Minnesota Mining And Manufacturing Company Surface treating articles and methods of making same
CA2163761A1 (en) * 1993-05-26 1994-12-08 Michael V. Mucci Method of providing a smooth surface on a substrate
US5549962A (en) * 1993-06-30 1996-08-27 Minnesota Mining And Manufacturing Company Precisely shaped particles and method of making the same
DE69419764T2 (de) * 1993-09-13 1999-12-23 Minnesota Mining And Mfg. Co., St. Paul Schleifartikel, verfahren zur herstellung desselben, verfahren zur verwendung desselben zum endbearbeiten, und herstellungswerkzeug
KR100372204B1 (ko) * 1993-10-19 2003-04-11 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 적층에의해적용되는메이크코트를포함하는연마용품및그제조방법
CA2134156A1 (en) * 1993-11-22 1995-05-23 Thomas P. Klun Coatable compositions, abrasive articles made therefrom, and methods of making and using same
US5505747A (en) * 1994-01-13 1996-04-09 Minnesota Mining And Manufacturing Company Method of making an abrasive article
US5534391A (en) * 1994-01-28 1996-07-09 Minnesota Mining And Manufacturing Company Aziridine primer for flexographic printing plates
KR100372592B1 (ko) * 1994-09-30 2003-05-16 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 코팅된연마용물품,이의제조방법및사용방법
US5578095A (en) * 1994-11-21 1996-11-26 Minnesota Mining And Manufacturing Company Coated abrasive article
KR19990064304A (ko) * 1995-10-20 1999-07-26 스프레이그 로버트 월터 무기 금속 오르토포스페이트를 함유한 연마 용품
US5853632A (en) * 1995-12-29 1998-12-29 The Procter & Gamble Company Process for making improved microwave susceptor comprising a dielectric silicate foam substance coated with a microwave active coating
US5643669A (en) * 1996-02-08 1997-07-01 Minnesota Mining And Manufacturing Company Curable water-based coating compositions and cured products thereof
US5700302A (en) * 1996-03-15 1997-12-23 Minnesota Mining And Manufacturing Company Radiation curable abrasive article with tie coat and method
US5754338A (en) * 1996-04-01 1998-05-19 Minnesota Mining And Manufacturing Company Structured retroreflective sheeting having a rivet-like connection
US5882796A (en) * 1996-04-01 1999-03-16 Minnesota Mining And Manufacturing Company Bonded structured retroreflective sheeting
US5784197A (en) * 1996-04-01 1998-07-21 Minnesota Mining And Manufacturing Company Ultra-flexible retroreflective sheeting with coated back surface
EP0912295A1 (de) * 1996-05-08 1999-05-06 Minnesota Mining And Manufacturing Company Schleifmittel mit additiv gegen das zusetzen
US6200666B1 (en) * 1996-07-25 2001-03-13 3M Innovative Properties Company Thermal transfer compositions, articles, and graphic articles made with same
US6475253B2 (en) * 1996-09-11 2002-11-05 3M Innovative Properties Company Abrasive article and method of making
CN1085575C (zh) * 1996-09-11 2002-05-29 美国3M公司 磨料制品及其制造方法
AU721046B2 (en) * 1996-12-19 2000-06-22 Rohm And Haas Company Coating substrates
US5876268A (en) * 1997-01-03 1999-03-02 Minnesota Mining And Manufacturing Company Method and article for the production of optical quality surfaces on glass
US5851247A (en) * 1997-02-24 1998-12-22 Minnesota Mining & Manufacturing Company Structured abrasive article adapted to abrade a mild steel workpiece
US5942015A (en) * 1997-09-16 1999-08-24 3M Innovative Properties Company Abrasive slurries and abrasive articles comprising multiple abrasive particle grades
US6139594A (en) * 1998-04-13 2000-10-31 3M Innovative Properties Company Abrasive article with tie coat and method
US6217432B1 (en) * 1998-05-19 2001-04-17 3M Innovative Properties Company Abrasive article comprising a barrier coating
US6248815B1 (en) * 1998-06-04 2001-06-19 H. B. Fuller Licensing & Financing, Inc. Dry bond film laminate employing acrylic emulsion adhesives with improved crosslinker
US6261682B1 (en) * 1998-06-30 2001-07-17 3M Innovative Properties Abrasive articles including an antiloading composition
US6059850A (en) * 1998-07-15 2000-05-09 3M Innovative Properties Company Resilient abrasive article with hard anti-loading size coating
US6239049B1 (en) * 1998-12-22 2001-05-29 3M Innovative Properties Company Aminoplast resin/thermoplastic polyamide presize coatings for abrasive article backings
JP2002533520A (ja) 1998-12-22 2002-10-08 スリーエム イノベイティブ プロパティズ カンパニー 研磨物品の基材用アクリル化オリゴマー／熱可塑性ポリアミドプレサイズコーティング
US6234875B1 (en) * 1999-06-09 2001-05-22 3M Innovative Properties Company Method of modifying a surface
WO2001094452A2 (en) * 2000-06-08 2001-12-13 Lord Corporation Uv curable coating for golf balls
US6645624B2 (en) * 2000-11-10 2003-11-11 3M Innovative Properties Company Composite abrasive particles and method of manufacture
US20040029511A1 (en) * 2001-03-20 2004-02-12 Kincaid Don H. Abrasive articles having a polymeric material
US6833014B2 (en) * 2002-07-26 2004-12-21 3M Innovative Properties Company Abrasive product, method of making and using the same, and apparatus for making the same
JP4319621B2 (ja) 2002-09-13 2009-08-26 小松精練株式会社 改質繊維布帛およびその製造方法

Also Published As

Publication number Publication date
WO2006006999A1 (en) 2006-01-19
JP2008502492A (ja) 2008-01-31
EP1776209A1 (de) 2007-04-25
DE602005005682D1 (de) 2008-05-08
CN1968786A (zh) 2007-05-23
DE602005005682T2 (de) 2009-05-07
BRPI0512059A (pt) 2008-02-06
US20050279028A1 (en) 2005-12-22
KR20070027586A (ko) 2007-03-09
KR101106912B1 (ko) 2012-01-25
US7150770B2 (en) 2006-12-19
CN100522488C (zh) 2009-08-05
BRPI0512059B1 (pt) 2013-12-10
JP4782783B2 (ja) 2011-09-28
EP1776209B1 (de) 2008-03-26
CA2569870A1 (en) 2006-01-19

Similar Documents

Publication Publication Date Title
ATE390247T1 (de) Beschichteter schleifartikel mit bindeschicht und herstellungs- und verwendungsverfahren dafür
ATE390246T1 (de) Beschichteter schleifartikel mit verbundbindeschicht und herstellungs- und verwendungsverfahren dafür
JP2008502492A5 (de)
JP2013506718A5 (de)
EP0908476A3 (de) Kunststoffformkörper mit hydrophiler Oberfläche und Verfahren zu dessen Herstellung
SG155952A1 (en) Use of polyalkyl(meth)acrylate bead polymers and moulding material for producing extruded moulded parts with a matt surface
JP2014149520A5 (de)
WO2009128982A3 (en) High porosity abrasive articles and methods of manufacturing same
ATE266700T1 (de) Reaktive teilchen, härbare zusammensetzung damit und gehärtete produkte
DE602005019870D1 (de) Photochrome zusammensetzungen und gegenstände mit polyetheroligomer
JP2012519750A5 (de)
WO2003056390A3 (en) Photochromic polymer compositions and articles thereof
DE60325704D1 (de) Organoboran-amin-komplex polymerisationsinitiatoren und polymerisierbare verbindungen
EP1422256A4 (de) Thermotropes flüssigkristallpolymer
BR0114342A (pt) Processo para revestimento de uma superfìcie de material
WO2008021500A3 (en) Modification of surfaces with polymers
TW200639185A (en) Production of polymers by spray polymerization
BR0308167A (pt) Método de preparação de uma composição de revestimento, composição de revestimento, e, método de revestimento de um artigo
EP1400577A4 (de) Klebstoff und verfahren zur herstellung einer haftbindung auf gummi
RU2010128443A (ru) Формованные изделия с матовой и структурированной поверхностью
JP2018535290A5 (de)
JP2008502772A5 (de)
MXPA05003631A (es) Recubrimientos de tg elevado.
EP2070955A4 (de) Chloroprenpolymerlatex und herstellungsverfahren dafür
EP0890601A4 (de) Verfahren zur herstellung von oberflächenmodifiziertem kautschuk, oberflächenmodifizierter kautschuk und dichtungsmaterial

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties