ATE353092T1 - Laserlicht absorbierendes additiv - Google Patents

Laserlicht absorbierendes additiv

Info

Publication number
ATE353092T1
ATE353092T1 AT03772955T AT03772955T ATE353092T1 AT E353092 T1 ATE353092 T1 AT E353092T1 AT 03772955 T AT03772955 T AT 03772955T AT 03772955 T AT03772955 T AT 03772955T AT E353092 T1 ATE353092 T1 AT E353092T1
Authority
AT
Austria
Prior art keywords
laser light
light absorbing
absorbing additive
polymer
functional group
Prior art date
Application number
AT03772955T
Other languages
English (en)
Inventor
Franciscus Wilhelmus Gelissen
Duijnhoven Franciscus Gera Van
Original Assignee
Dsm Ip Assets Bv
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
Priority claimed from NL1022081A external-priority patent/NL1022081C2/nl
Application filed by Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Application granted granted Critical
Publication of ATE353092T1 publication Critical patent/ATE353092T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267—Marking of plastic artifacts, e.g. with laser
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
AT03772955T 2002-12-04 2003-11-06 Laserlicht absorbierendes additiv ATE353092T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1022081A NL1022081C2 (nl) 2002-12-04 2002-12-04 Laserlicht absorberend additief.
NL1023385 2003-05-12

Publications (1)

Publication Number Publication Date
ATE353092T1 true ATE353092T1 (de) 2007-02-15

Family

ID=32473833

Family Applications (2)

Application Number Title Priority Date Filing Date
AT03772955T ATE353092T1 (de) 2002-12-04 2003-11-06 Laserlicht absorbierendes additiv
AT03779054T ATE324410T1 (de) 2002-12-04 2003-12-04 Laserbeschriftbare formmassen

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT03779054T ATE324410T1 (de) 2002-12-04 2003-12-04 Laserbeschriftbare formmassen

Country Status (11)

Country Link
US (2) US7678451B2 (de)
EP (2) EP1567594B1 (de)
JP (2) JP4860157B2 (de)
AT (2) ATE353092T1 (de)
AU (2) AU2003279615B2 (de)
BR (3) BRPI0316929B8 (de)
DE (2) DE60311594T2 (de)
ES (2) ES2279183T3 (de)
NZ (1) NZ539926A (de)
TW (2) TWI341855B (de)
WO (2) WO2004050766A1 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ539926A (en) * 2002-12-04 2007-05-31 Dsm Ip Assets B Laser light absorbing additive
WO2006007580A1 (en) * 2004-07-01 2006-01-19 Solvay Advanced Polymers, L.L.C. Aromatic polyamide composition and article manufactured therefrom
DE102004050481A1 (de) * 2004-10-15 2006-04-27 Chemische Fabrik Budenheim Kg Verwendung von Zinnphosphaten
DE102004050478A1 (de) 2004-10-15 2006-04-27 Chemische Fabrik Budenheim Kg Formmasse für die Herstellung schwer entflammbarer Gegenstände, Pigment hierfür und dessen Verwendung
DE102004051246A1 (de) * 2004-10-20 2006-05-04 Merck Patent Gmbh Laserschweißbare Polymere
US20080004492A1 (en) 2005-01-21 2008-01-03 Mitsuhiro Nakamura Endoscope, Medical Instrument for Endoscope and Method Applying Markings Thereto
WO2007020892A1 (ja) * 2005-08-18 2007-02-22 Mitsubishi Engineering-Plastics Corporation レーザーマーキング用ポリアミド樹脂組成物およびレーザーマーキングが施されたポリアミド樹脂成形体
JP4492522B2 (ja) * 2005-10-28 2010-06-30 東レ株式会社 レーザーマーキング用樹脂組成物およびそれを用いた成形品
DE102006008247A1 (de) * 2006-02-22 2007-08-23 Giesecke & Devrient Gmbh Lasermarkierbares Sicherheitselement
DE102006038043A1 (de) * 2006-08-14 2008-02-21 Chemische Fabrik Budenheim Kg Laserbeschriftbares Polymermaterial
DE102006045495A1 (de) 2006-09-27 2008-04-03 Mitsubishi Polyester Film Gmbh Laser-markierbare Folie
US7932972B2 (en) * 2006-10-02 2011-04-26 Lg Display Co., Ltd. Substrate for liquid crystal display device and method of fabricating the same
DE102006051658A1 (de) * 2006-11-02 2008-05-08 Mitsubishi Polyester Film Gmbh Mehrschichtig, weiße, laserschneidbare Polyesterfolie
DE102006051657A1 (de) * 2006-11-02 2008-05-08 Mitsubishi Polyester Film Gmbh Mehrschichtige, weiße, laserschneidbare und laserbeschreibbare Polyesterfolie
DE102006062269A1 (de) 2006-12-22 2008-06-26 Eckart Gmbh & Co. Kg Verwendung von sphärischen Metallpartikeln als Lasermarkierungs- oder Laserschweißbarkeitsmittel sowie lasermarkierbarer und/oder laserschweißbarer Kunststoff
ES2355017T3 (es) * 2007-06-29 2011-03-22 Merck Patent Gmbh Microesfera que comprende un núcleo polimérico, una cubierta y un absorbente.
ATE447476T1 (de) 2007-11-30 2009-11-15 Eckart Gmbh Verwendung einer mischung mit sphärischen metallpartikeln und metallflakes als lasermarkierungs- oder laserschweissbarkeitsmittel sowie lasermarkierbarer und/oder laserschweissbarer kunststoff
US20150191037A1 (en) 2007-12-07 2015-07-09 Bundesdruckerei Gmbh Method for producing a security and/or valuable document with personalized information
DE102008025583A1 (de) * 2008-01-11 2009-07-16 Tesa Ag Pigmentschicht und Verfahren zur dauerhaften Beschriftung eines Substrats mittels energiereicher Strahlung
DE102008005862A1 (de) 2008-01-15 2009-07-16 IKT Institut für Kunststofftechnik Lasermarkierbarer Polymerwerkstoff und Verfahren zu seiner Herstellung
DE102008049512A1 (de) 2008-09-29 2010-04-01 Giesecke & Devrient Gmbh Sicherheitsmerkmal zu Absicherung von Wertgegenständen
EP2179857A1 (de) 2008-10-23 2010-04-28 Bayer MaterialScience AG ID-Karten mit blockierter Lasergravurbeschreibbarkeit
US8647721B2 (en) * 2008-11-05 2014-02-11 Exatec, Llc Part marking of coated plastic substrates
ES2423600T3 (es) 2009-02-04 2013-09-23 Bayer Intellectual Property Gmbh Estructura en capas y láminas para documentos de identidad con mejores propiedades de grabación con láser
EP2218579A1 (de) 2009-02-13 2010-08-18 Bayer MaterialScience AG Verbessertes Verfahren zur Herstellung eines laminierten Schichtverbundes
WO2010105735A1 (de) † 2009-03-18 2010-09-23 Merck Patent Gmbh Pigment zur lasermarkierung
EP2493971A2 (de) 2009-10-29 2012-09-05 DSM IP Assets B.V. Lasermarkierungszusatz
WO2012004295A1 (de) 2010-07-08 2012-01-12 Bayer Materialscience Ag Sicherheits- und/oder wertdokument enthaltend eine elektrolumineszenz-anordnung
EP2441589A1 (de) 2010-10-14 2012-04-18 Bayer Material Science AG Sicherheits- und/oder Wertdokument enthaltend einen elektromechanischen Wandler
EP2455228A1 (de) 2010-11-18 2012-05-23 Bayer Material Science AG Sicherheits- und/oder Wertdokument enthaltend einen elektromechanischen Wandler
AU2011250831A1 (en) 2010-12-03 2012-06-21 Bayer Intellectual Property Gmbh Security and/or valuable documents with a top layer with a scratch-resistant finish
JP6009812B2 (ja) * 2011-06-17 2016-10-19 日東電工株式会社 粘着フィルム
US8820994B2 (en) 2011-07-28 2014-09-02 Visteon Global Technologies, Inc. Vehicle indicator display, and method of forming
FR2980395A1 (fr) 2011-09-23 2013-03-29 Arjowiggins Security Support en feuille
KR20140112556A (ko) 2012-01-19 2014-09-23 바이엘 인텔렉쳐 프로퍼티 게엠베하 염료 확산 열 전사 인쇄에 의한 인쇄용 플라스틱 필름
RU2014133802A (ru) 2012-01-19 2016-03-20 Байер Интеллектчуал Проперти Гмбх Синтетическая пленка для нанесения печати с помощью печати сублимационного термопереноса
CN104160792B (zh) * 2012-03-09 2017-05-17 三井金属矿业株式会社 印刷布线板的制造方法及激光加工用铜箔
DE102012105791A1 (de) 2012-06-29 2014-01-02 K-Fee System Gmbh Portionskapsel umfassend Kunststofffolie, in der eine maschinell erfassbare Kennung vorgesehen ist
EP2867141B1 (de) 2012-06-29 2016-12-21 K-fee System GmbH Portionskapsel umfassend kunststofffolie, in der eine maschinell erfassbare kennung vorgesehen ist
CN104718019A (zh) 2012-10-19 2015-06-17 默克专利股份有限公司 微球
ITGE20120112A1 (it) * 2012-11-21 2014-05-22 Dott Ing Mario Cozzani Srl "materiale per la fabbricazione di otturatori di valvole per i cilindri dei compressori alternativi, e valvole così ottenute"
US20140206800A1 (en) * 2013-01-22 2014-07-24 Sabic Innovative Plastics Ip B.V. Thermoplastic Compositions Containing Nanoscale-Sized Particle Additives For Laser Direct Structuring And Methods For The Manufacture And Use Thereof
DE102013010703A1 (de) 2013-06-27 2014-12-31 Merck Patent Gmbh Mikrokugeln
FR3022183B1 (fr) 2014-06-13 2016-07-29 Fasver Procede de fabrication d'un support de donnees multicouche a marquage de securite et pouvant etre marque par laser
DE102014008962A1 (de) * 2014-06-23 2016-01-07 Merck Patent Gmbh Mikrokugeln
CN104592618B (zh) * 2015-02-12 2017-10-17 四川大学 一种色变助剂组合物及其制备方法与应用
JP6580714B2 (ja) 2015-06-10 2019-09-25 ケイ‐フィー システム ゲーエムベーハー ３層不織布を用いたポーションカプセル
US10737876B2 (en) 2015-07-13 2020-08-11 K-Fee System Gmbh Filter element having a cut-out
CN105085944A (zh) * 2015-09-14 2015-11-25 常州大学 一种可激光标记热塑性聚氨酯专用料的制备方法
SG11201801893RA (en) 2015-09-18 2018-04-27 K Fee System Gmbh Adapter for a single serve capsule
WO2017167651A1 (de) 2016-03-29 2017-10-05 Covestro Deutschland Ag Verfahren zum partiellen einfärben von kunststoffteilen
EP3281974A1 (de) 2016-08-11 2018-02-14 Innocabs B.V. Lasermarkierungsadditiv
PL3478754T3 (pl) 2016-08-11 2020-04-30 Innocabs B.V. Dodatek do znakowania laserowego
CN110088175B (zh) 2016-12-22 2023-03-31 科思创德国股份有限公司 具有改进的激光雕刻能力和改进的化学品耐受性的用于id文件的塑料薄膜
US11242464B2 (en) 2017-06-28 2022-02-08 Covestro Deutschland Ag Method for the partial colouring of plastic parts
WO2019089048A1 (en) 2017-11-06 2019-05-09 Covestro Deutschland Ag Plastic films with reduced uv activity
EP3501819A1 (de) 2017-12-22 2019-06-26 Covestro Deutschland AG Kunststofffolien für id-dokumente mit verbesserter helligkeit von prägehologrammen
EP3613602A1 (de) 2018-08-23 2020-02-26 Covestro Deutschland AG Verbessertes verfahren für das partielle einfärben von kunststoffteilen
US10985363B2 (en) * 2019-01-03 2021-04-20 GM Global Technology Operations LLC Electrodes and methods of fabricating electrodes for electrochemical cells by continuous localized pyrolysis
US20230008490A1 (en) 2019-11-22 2023-01-12 Covestro Intellectual Property Gmbh & Co. Kg Layer structure with modified structure, and production thereof
US20230406025A1 (en) 2020-10-26 2023-12-21 Covestro Deutschland Ag Layer structure with engraving as visible security element
EP4323195A1 (de) 2021-04-14 2024-02-21 Covestro Deutschland AG Verfahren für das partielle einfärben von kunststoffteilen mittels fester farbstoffe in farbträgerschichten
EP4119344A1 (de) 2021-07-14 2023-01-18 Covestro Deutschland AG Spezielle polymerschichten zur schnelleren laminierbarkeit von mehrschichtaufbauten
WO2023285358A1 (de) 2021-07-14 2023-01-19 Covestro Deutschland Ag Folienaufbau geeignet zur schnellen lamination
WO2024022990A1 (de) 2022-07-26 2024-02-01 Merck Patent Gmbh Polymerzusammensetzung für lasermarkierung
DE102022003135A1 (de) 2022-08-29 2024-04-25 Giesecke+Devrient ePayments GmbH Kartenförmiger Datenträger mit laseraktivierbaren Pigmenten und Herstellungsverfahren

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60225416A (ja) * 1984-04-24 1985-11-09 三井化学株式会社 高性能エレクトレツトおよびエアフイルタ−
US4847322A (en) * 1987-10-22 1989-07-11 Allied-Signal Inc. Thermoplastic compositions containing acyllactam graft linkages
US5234841A (en) * 1987-12-18 1993-08-10 Eastman Kodak Company Methods of preparing a polymeric latex composition and water-insoluble biological reagent
DE3805056A1 (de) * 1988-02-18 1989-08-31 Bayer Ag Laser-beschriftbares material
EP0429010B1 (de) 1989-11-17 1994-06-08 Oki Electric Industry Co., Ltd. Thermoreversibles Aufzeichnungsmaterial, eine Vorrichtung, die das Material gebraucht und Verfahren zu deren Herstellung
US5204438A (en) * 1989-12-22 1993-04-20 General Electric Company Silicone macromers and thermoplastic flame retardant silicone-polyphenylene ether graft copolymers obtained therefrom
EP0457351A3 (en) * 1990-05-17 1993-03-10 Mitsubishi Petrochemical Co., Ltd. Process for producing silane-modified polyphenylene ether and thermoplastic resin composition containing the same
JP2771894B2 (ja) * 1990-09-22 1998-07-02 松下電工株式会社 液状エポキシ樹脂組成物
US5300572A (en) * 1991-06-14 1994-04-05 Polyplastics Co., Ltd. Moldable polyester resin compositions and molded articles formed of the same
JP2845389B2 (ja) * 1992-03-10 1999-01-13 大日精化工業株式会社 熱転写記録用着色組成物
DE4411067A1 (de) 1994-03-30 1995-10-05 Bayer Ag Polymerformmassen zur partiellen farblichen Veränderung durch Laserenergie, insbesondere zur Erzeugung bunter Zeichen
DE4416129A1 (de) * 1994-05-06 1995-11-09 Basf Ag Thermoplastische Formmassen mit guter Beschriftbarkeit
JP3201503B2 (ja) * 1994-07-27 2001-08-20 住友ベークライト株式会社 樹脂組成物
JP3024495B2 (ja) 1994-10-21 2000-03-21 ジェイエスアール株式会社 レーザーマーキング用樹脂組成物
DE19523086A1 (de) * 1995-06-26 1997-01-02 Bayer Ag Verwendung von Polymerformmassen zur partiellen farblichen Veränderung durch Laserenergie zur Erzeugung von optischen Informationen mit sehr guten Kontrasten
US7714075B1 (en) * 1996-07-10 2010-05-11 Commonwealth Scientific And Industrial Research Organisation Polymerization with living characteristics
DE19645871A1 (de) * 1996-11-07 1998-05-14 Bayer Ag Laserbeschriftbare Polymerformmassen
DE19716590A1 (de) * 1997-04-21 1998-10-22 Agfa Gevaert Ag Fotografisches Aufzeichnungsmaterial
DE19726136A1 (de) * 1997-06-19 1998-12-24 Merck Patent Gmbh Lasermarkierbare Kunststoffe
NL1012476C2 (nl) 1999-06-30 2001-01-03 Dsm Nv Laserbeschrijfbare polymeersamenstelling.
JP2001080212A (ja) * 1999-09-09 2001-03-27 Toray Ind Inc レーザーマーキング用樹脂組成物およびそれからなる成形品
US7064151B1 (en) * 2000-04-07 2006-06-20 E. I. Du Pont De Nemours And Company Process of microgel synthesis and products produced therefrom
US7217770B2 (en) * 2000-05-17 2007-05-15 Samyang Corporation Stable polymeric micelle-type drug composition and method for the preparation thereof
JP2002283729A (ja) * 2001-03-26 2002-10-03 Mitsubishi Materials Corp マーキング基材及びそれを用いた積層基材
JP4114417B2 (ja) * 2002-07-05 2008-07-09 東洋インキ製造株式会社 感熱記録組成物の製造方法および感熱記録方法
NZ539926A (en) * 2002-12-04 2007-05-31 Dsm Ip Assets B Laser light absorbing additive
US20090075543A1 (en) * 2007-09-17 2009-03-19 Voith Patent Gmbh Malleable polymer monofilament for industrial fabrics

Also Published As

Publication number Publication date
BR0316929B1 (pt) 2013-11-19
US7678451B2 (en) 2010-03-16
BRPI0316929B8 (pt) 2016-05-17
TWI341855B (en) 2011-05-11
DE60311594T2 (de) 2007-11-15
TW200422337A (en) 2004-11-01
JP2006509099A (ja) 2006-03-16
JP4364808B2 (ja) 2009-11-18
EP1567594A1 (de) 2005-08-31
BR0316986A (pt) 2005-10-25
DE60304897D1 (de) 2006-06-01
US20060074165A1 (en) 2006-04-06
DE60311594D1 (de) 2007-03-22
WO2004050767A1 (en) 2004-06-17
US20060148968A1 (en) 2006-07-06
ES2260672T3 (es) 2006-11-01
AU2003279615A1 (en) 2004-06-23
BRPI0316986B8 (pt) 2018-08-28
TWI326696B (en) 2010-07-01
BR0316929A (pt) 2005-10-18
WO2004050766A1 (en) 2004-06-17
DE60304897T2 (de) 2006-12-14
EP1567595A1 (de) 2005-08-31
ATE324410T1 (de) 2006-05-15
US7674845B2 (en) 2010-03-09
JP4860157B2 (ja) 2012-01-25
AU2003285831A1 (en) 2004-06-23
EP1567595B1 (de) 2006-04-26
BR0316986B1 (pt) 2013-07-16
EP1567594B1 (de) 2007-01-31
ES2279183T3 (es) 2007-08-16
JP2006508842A (ja) 2006-03-16
NZ539926A (en) 2007-05-31
AU2003279615B2 (en) 2010-03-11

Similar Documents

Publication Publication Date Title
ATE353092T1 (de) Laserlicht absorbierendes additiv
BRPI0507274A (pt) massas de moldagem termoplásticas, uso das mesmas, e, fibras, folhas, e moldagem
ATE492434T1 (de) Zweistufiger energiedämpfer
CO5840246A1 (es) Articulo absorbente con caida
WO2009063392A9 (en) Ultraviolet absorber water-dispersed composition
EA200702607A1 (ru) Полиэтиленовая композиция с улучшенной технологичностью
BRPI0414825A (pt) processo e composição de alglutinante de ureìa-formaldeìdo
ATE474015T1 (de) Thermoplastische zusammensetzung mit schwachem glanz
BRPI0606112A2 (pt) 3 - heteroaril - 3 - hidróxi - 2 - amino - propil aminas e compostos relacionados, bem como uso dos mesmos e composição farmacêutica
AR048850A1 (es) Composiciones adhesivas termoestables que comprenden un componente basado en proteina y un acelerador para desecar l a amina cuaternaria polimerica
EA200800362A1 (ru) Полиолефиновая пена
EP2065456A4 (de) Harzzusammensetzung für dämpfungsmaterial sowie dämpfungsmaterial
PE20070578A1 (es) Maquina de ejercicios con un soporte para absorber la vibracion
DK1632132T3 (da) Larvefodsdrevet træflishakker
ATE400327T1 (de) Energieabsorbierende vorrichtung
BRPI0604330A (pt) composições compreendendo emulsificantes poliméricos e métodos para seu uso
AU2003287946A1 (en) Optical cable and optical unit comprised therein
BRPI0502534A (pt) Gel perfluoroelastomérico, processo para formar géis perfluoroelastoméricos, perfluoroelastÈmeros reticuláveis e curados, artigos manufaturados, e, uso de gel
AR051656A1 (es) Metodo y composicion superabsorbente biodegradable para prevenir o tratar la perdida de circulacion
DE50307788D1 (de) Mischung aus titandioxid und methylen-bis-benzotriazolylphenol
DE50013786D1 (de) Polyurethanharnstofffasern mit erhöhter festigkeit
DE60315711D1 (de) Aliphatische polyesterharz-zusammensetzung
MX2016006019A (es) Composiciones de catalizador y metodos para prepararlas.
ITMI20021131A0 (it) Composizioni essenzialmente idrocarburiche utilizzabili come carburanti con migliorate proprieta' lubrificante
Li et al. The properties of granular activated carbons prepared from fly ash using different methods

Legal Events

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