WO2009152194A2 - Construction de foret de métal composite et carbure cémenté - Google Patents

Construction de foret de métal composite et carbure cémenté Download PDF

Info

Publication number
WO2009152194A2
WO2009152194A2 PCT/US2009/046810 US2009046810W WO2009152194A2 WO 2009152194 A2 WO2009152194 A2 WO 2009152194A2 US 2009046810 W US2009046810 W US 2009046810W WO 2009152194 A2 WO2009152194 A2 WO 2009152194A2
Authority
WO
WIPO (PCT)
Prior art keywords
based alloys
drill bit
cobalt
component
nickel
Prior art date
Application number
PCT/US2009/046810
Other languages
English (en)
Other versions
WO2009152194A4 (fr
WO2009152194A3 (fr
Inventor
John H. Stevens
James Larry Christie
Original Assignee
Baker Hughes Incorporated
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 Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Priority to EP09763484.4A priority Critical patent/EP2307659A4/fr
Publication of WO2009152194A2 publication Critical patent/WO2009152194A2/fr
Publication of WO2009152194A3 publication Critical patent/WO2009152194A3/fr
Publication of WO2009152194A4 publication Critical patent/WO2009152194A4/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/10—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on titanium carbide
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/14—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on borides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/16—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/002—Tools other than cutting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
    • B22F3/172—Continuous compaction, e.g. rotary hammering
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2204/00—End product comprising different layers, coatings or parts of cermet

Abstract

La présente invention concerne un procédé de fabrication et un foret qui possède un flanc de poudre d’acier préformé ou un noyau d’acier usiné et des composants de matériaux résistants à l’abrasion et à l’érosion fixés à celui-ci.
PCT/US2009/046810 2008-06-10 2009-06-10 Construction de foret de métal composite et carbure cémenté WO2009152194A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09763484.4A EP2307659A4 (fr) 2008-06-10 2009-06-10 Construction de foret de métal composite et carbure cémenté

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/136,456 2008-06-10
US12/136,456 US20090301788A1 (en) 2008-06-10 2008-06-10 Composite metal, cemented carbide bit construction

Publications (3)

Publication Number Publication Date
WO2009152194A2 true WO2009152194A2 (fr) 2009-12-17
WO2009152194A3 WO2009152194A3 (fr) 2010-03-25
WO2009152194A4 WO2009152194A4 (fr) 2010-05-14

Family

ID=41399264

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/046810 WO2009152194A2 (fr) 2008-06-10 2009-06-10 Construction de foret de métal composite et carbure cémenté

Country Status (4)

Country Link
US (1) US20090301788A1 (fr)
EP (1) EP2307659A4 (fr)
RU (1) RU2010154503A (fr)
WO (1) WO2009152194A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955209B2 (en) 2011-10-24 2015-02-17 Diamond Innovations, Inc. Method of joining two components to ensure axial and angular alignment therebetween
CN104858414A (zh) * 2015-04-08 2015-08-26 中国有色桂林矿产地质研究院有限公司 适用于深孔钻进条件下的金刚石钻头胎体粉及钻头

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9428822B2 (en) 2004-04-28 2016-08-30 Baker Hughes Incorporated Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components
US20050211475A1 (en) 2004-04-28 2005-09-29 Mirchandani Prakash K Earth-boring bits
US8637127B2 (en) 2005-06-27 2014-01-28 Kennametal Inc. Composite article with coolant channels and tool fabrication method
US7687156B2 (en) 2005-08-18 2010-03-30 Tdy Industries, Inc. Composite cutting inserts and methods of making the same
EP2327856B1 (fr) 2006-04-27 2016-06-08 Kennametal Inc. Meches de forage de sol modulaires a molettes fixes, corps de meches de forage de sol modulaires a molettes fixes, et procedes connexes
CN102764893B (zh) 2006-10-25 2015-06-17 肯纳金属公司 具有改进的抗热开裂性的制品
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
US8261632B2 (en) * 2008-07-09 2012-09-11 Baker Hughes Incorporated Methods of forming earth-boring drill bits
US20100192475A1 (en) * 2008-08-21 2010-08-05 Stevens John H Method of making an earth-boring metal matrix rotary drill bit
US8025112B2 (en) 2008-08-22 2011-09-27 Tdy Industries, Inc. Earth-boring bits and other parts including cemented carbide
US8272816B2 (en) 2009-05-12 2012-09-25 TDY Industries, LLC Composite cemented carbide rotary cutting tools and rotary cutting tool blanks
US8201610B2 (en) 2009-06-05 2012-06-19 Baker Hughes Incorporated Methods for manufacturing downhole tools and downhole tool parts
US8308096B2 (en) 2009-07-14 2012-11-13 TDY Industries, LLC Reinforced roll and method of making same
US9643236B2 (en) 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
US8881791B2 (en) 2010-04-28 2014-11-11 Baker Hughes Incorporated Earth-boring tools and methods of forming earth-boring tools
WO2011146752A2 (fr) 2010-05-20 2011-11-24 Baker Hughes Incorporated Procédés de formation d'au moins une partie d'outils de forage terrestre, et articles formés par de tels procédés
CA2799911A1 (fr) 2010-05-20 2011-11-24 Baker Hughes Incorporated Procedes de formation d'au moins une partie d'outils de forage terrestre, et articles formes par de tels procedes
RU2012155101A (ru) * 2010-05-20 2014-06-27 Бейкер Хьюз Инкорпорейтед Способы формирования по меньшей мере части бурильного инструмента
GB2490299B (en) * 2010-11-29 2018-05-23 Halliburton Energy Services Inc Mold assemblies including a mold insertable in a container
GB2485848B (en) 2010-11-29 2018-07-11 Halliburton Energy Services Inc Improvements in heat flow control for molding downhole equipment
GB2490087B (en) 2010-11-29 2016-04-27 Halliburton Energy Services Inc Forming objects by infiltrating a printed matrix
US8800848B2 (en) 2011-08-31 2014-08-12 Kennametal Inc. Methods of forming wear resistant layers on metallic surfaces
US9016406B2 (en) 2011-09-22 2015-04-28 Kennametal Inc. Cutting inserts for earth-boring bits
EP2766552A4 (fr) * 2011-10-14 2015-12-09 Varel Int Ind Lp Utilisation de tige tubulaire en carbure de tungstène pour le durcissement en surface d'une matrice pdc
US9328581B2 (en) * 2012-02-22 2016-05-03 Frank Clarence PITTMAN Thru-tubing mill
US10201890B1 (en) 2014-03-10 2019-02-12 Tkw, Llc Sintered metal carbide containing diamond particles and induction heating method of making same
US10064702B2 (en) * 2014-04-17 2018-09-04 Inland Diamond Products Company Vacuum brazed diamond dental burr made using synthetic diamond
US10662716B2 (en) * 2017-10-06 2020-05-26 Kennametal Inc. Thin-walled earth boring tools and methods of making the same
CN116507788A (zh) * 2020-08-27 2023-07-28 斯伦贝谢技术有限公司 刀片盖
CN114150176A (zh) * 2021-12-02 2022-03-08 常州市博斯特精密机械有限公司 一种抗冲击性能好的钻头生产工艺
CN115055927B (zh) * 2022-07-01 2024-02-09 吉安富奇精密制造有限公司 一种高强度耐高温数控钻头的制备方法

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557743A (en) * 1923-06-30 1925-10-20 Terrill Albert Steel bit for rock drills
US2604305A (en) * 1946-10-24 1952-07-22 Pearl Edith Livingstone Rock drill tip
US2861779A (en) * 1956-07-12 1958-11-25 Thomas A White Rotary drilling bit
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US3326308A (en) * 1965-07-22 1967-06-20 John G Elstrand Well drilling bit
US3336992A (en) * 1965-10-08 1967-08-22 Van R White Drill bits
US3469976A (en) * 1967-07-31 1969-09-30 Du Pont Isostatic hot pressing of metal-bonded metal carbide bodies
US3463256A (en) * 1967-11-07 1969-08-26 Clyde A White Well drilling bit
US3545554A (en) * 1968-12-03 1970-12-08 Trident Ind Inc Drill bit with staggered teeth
US3672455A (en) * 1970-04-14 1972-06-27 Tarton Ind Inc Drag bits
US3667817A (en) * 1970-05-21 1972-06-06 Smith International Drill pipe with wear sleeve
US3760894A (en) * 1971-11-10 1973-09-25 M Pitifer Replaceable blade drilling bits
US3862665A (en) * 1973-10-11 1975-01-28 Reed Tool Co Scrape-type cutter for drill bits
US4026372A (en) * 1974-03-21 1977-05-31 Padley & Venables Limited Drill bits
US4094709A (en) * 1977-02-10 1978-06-13 Kelsey-Hayes Company Method of forming and subsequently heat treating articles of near net shaped from powder metal
US4244432A (en) * 1978-06-08 1981-01-13 Christensen, Inc. Earth-boring drill bits
US4233720A (en) * 1978-11-30 1980-11-18 Kelsey-Hayes Company Method of forming and ultrasonic testing articles of near net shape from powder metal
US4221270A (en) * 1978-12-18 1980-09-09 Smith International, Inc. Drag bit
US4252202A (en) * 1979-08-06 1981-02-24 Purser Sr James A Drill bit
US4341557A (en) * 1979-09-10 1982-07-27 Kelsey-Hayes Company Method of hot consolidating powder with a recyclable container material
US4526748A (en) * 1980-05-22 1985-07-02 Kelsey-Hayes Company Hot consolidation of powder metal-floating shaping inserts
US4484644A (en) * 1980-09-02 1984-11-27 Ingersoll-Rand Company Sintered and forged article, and method of forming same
JPS5839707A (ja) * 1981-09-01 1983-03-08 Kobe Steel Ltd 粉末成形体の高密度焼結法
US4547337A (en) * 1982-04-28 1985-10-15 Kelsey-Hayes Company Pressure-transmitting medium and method for utilizing same to densify material
US4596694A (en) * 1982-09-20 1986-06-24 Kelsey-Hayes Company Method for hot consolidating materials
US4597730A (en) * 1982-09-20 1986-07-01 Kelsey-Hayes Company Assembly for hot consolidating materials
US4499048A (en) * 1983-02-23 1985-02-12 Metal Alloys, Inc. Method of consolidating a metallic body
US4562990A (en) * 1983-06-06 1986-01-07 Rose Robert H Die venting apparatus in molding of thermoset plastic compounds
US4889017A (en) * 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US4656002A (en) * 1985-10-03 1987-04-07 Roc-Tec, Inc. Self-sealing fluid die
US4682663A (en) * 1986-02-18 1987-07-28 Reed Tool Company Mounting means for cutting elements in drag type rotary drill bit
US4830123A (en) * 1986-02-18 1989-05-16 Reed Tool Company Mounting means for cutting elements in drag type rotary drill bit
US4744943A (en) * 1986-12-08 1988-05-17 The Dow Chemical Company Process for the densification of material preforms
US5090491A (en) * 1987-10-13 1992-02-25 Eastman Christensen Company Earth boring drill bit with matrix displacing material
US4884477A (en) * 1988-03-31 1989-12-05 Eastman Christensen Company Rotary drill bit with abrasion and erosion resistant facing
US4838366A (en) * 1988-08-30 1989-06-13 Jones A Raymond Drill bit
US5147001A (en) * 1990-03-06 1992-09-15 Norton Company Drill bit cutting array having discontinuities therein
US5232522A (en) * 1991-10-17 1993-08-03 The Dow Chemical Company Rapid omnidirectional compaction process for producing metal nitride, carbide, or carbonitride coating on ceramic substrate
US5560440A (en) * 1993-02-12 1996-10-01 Baker Hughes Incorporated Bit for subterranean drilling fabricated from separately-formed major components
US6073518A (en) * 1996-09-24 2000-06-13 Baker Hughes Incorporated Bit manufacturing method
US5589268A (en) * 1995-02-01 1996-12-31 Kennametal Inc. Matrix for a hard composite
US5816699A (en) * 1997-06-13 1998-10-06 Entek Manufacturing Inc. Twin screw extruder barrel with an easily removable seamless insert having a wear and corrosion resistant lining
US6454030B1 (en) * 1999-01-25 2002-09-24 Baker Hughes Incorporated Drill bits and other articles of manufacture including a layer-manufactured shell integrally secured to a cast structure and methods of fabricating same
US6595305B1 (en) * 2000-02-15 2003-07-22 Kennametal Inc. Drill bit, hard member, and bit body
US6536543B2 (en) * 2000-12-06 2003-03-25 Baker Hughes Incorporated Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles
US6599345B2 (en) * 2001-10-02 2003-07-29 Eaton Corporation Powder metal valve guide
AU2002364962A1 (en) * 2001-12-05 2003-06-23 Baker Hughes Incorporated Consolidated hard materials, methods of manufacture, and applications
US6782958B2 (en) * 2002-03-28 2004-08-31 Smith International, Inc. Hardfacing for milled tooth drill bits
US20050211475A1 (en) * 2004-04-28 2005-09-29 Mirchandani Prakash K Earth-boring bits
US7373997B2 (en) * 2005-02-18 2008-05-20 Smith International, Inc. Layered hardfacing, durable hardfacing for drill bits
US7776256B2 (en) * 2005-11-10 2010-08-17 Baker Huges Incorporated Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
US7802495B2 (en) * 2005-11-10 2010-09-28 Baker Hughes Incorporated Methods of forming earth-boring rotary drill bits
US7807099B2 (en) * 2005-11-10 2010-10-05 Baker Hughes Incorporated Method for forming earth-boring tools comprising silicon carbide composite materials
EP2327856B1 (fr) * 2006-04-27 2016-06-08 Kennametal Inc. Meches de forage de sol modulaires a molettes fixes, corps de meches de forage de sol modulaires a molettes fixes, et procedes connexes
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7871133B2 (en) * 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of EP2307659A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955209B2 (en) 2011-10-24 2015-02-17 Diamond Innovations, Inc. Method of joining two components to ensure axial and angular alignment therebetween
CN104858414A (zh) * 2015-04-08 2015-08-26 中国有色桂林矿产地质研究院有限公司 适用于深孔钻进条件下的金刚石钻头胎体粉及钻头

Also Published As

Publication number Publication date
EP2307659A2 (fr) 2011-04-13
WO2009152194A4 (fr) 2010-05-14
RU2010154503A (ru) 2012-07-20
EP2307659A4 (fr) 2013-08-07
US20090301788A1 (en) 2009-12-10
WO2009152194A3 (fr) 2010-03-25

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