WO2008054166A1 - Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same - Google Patents
Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same Download PDFInfo
- Publication number
- WO2008054166A1 WO2008054166A1 PCT/KR2007/005510 KR2007005510W WO2008054166A1 WO 2008054166 A1 WO2008054166 A1 WO 2008054166A1 KR 2007005510 W KR2007005510 W KR 2007005510W WO 2008054166 A1 WO2008054166 A1 WO 2008054166A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel plate
- steel
- less
- toughness
- cooling
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 182
- 239000010959 steel Substances 0.000 title claims abstract description 182
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 51
- 229910001566 austenite Inorganic materials 0.000 claims description 37
- 238000005096 rolling process Methods 0.000 claims description 26
- 238000001953 recrystallisation Methods 0.000 claims description 21
- 229910001563 bainite Inorganic materials 0.000 claims description 17
- 238000005098 hot rolling Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 238000003303 reheating Methods 0.000 claims description 9
- 238000005275 alloying Methods 0.000 abstract description 7
- 230000000052 comparative effect Effects 0.000 description 32
- 239000010955 niobium Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 18
- 239000010936 titanium Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000011572 manganese Substances 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 229910000734 martensite Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000007704 transition Effects 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 6
- 238000005496 tempering Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000003917 TEM image Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000002542 deteriorative effect Effects 0.000 description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009535212A JP5439184B2 (en) | 2006-11-02 | 2007-11-02 | Steel sheet for ultra-high-strength line pipe excellent in low-temperature toughness and method for producing the same |
CN2007800410343A CN101535518B (en) | 2006-11-02 | 2007-11-02 | Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
CA2668069A CA2668069C (en) | 2006-11-02 | 2007-11-02 | Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
US12/447,666 US20100074794A1 (en) | 2006-11-02 | 2007-11-02 | Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060107917A KR100851189B1 (en) | 2006-11-02 | 2006-11-02 | Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
KR10-2006-0107917 | 2006-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008054166A1 true WO2008054166A1 (en) | 2008-05-08 |
Family
ID=39344465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2007/005510 WO2008054166A1 (en) | 2006-11-02 | 2007-11-02 | Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
Country Status (6)
Country | Link |
---|---|
US (2) | US20100074794A1 (en) |
JP (1) | JP5439184B2 (en) |
KR (1) | KR100851189B1 (en) |
CN (1) | CN101535518B (en) |
CA (1) | CA2668069C (en) |
WO (1) | WO2008054166A1 (en) |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08209287A (en) * | 1995-02-03 | 1996-08-13 | Nippon Steel Corp | Steel for high strength line pipe having low yield ratio and excellent in low temperature toughness |
JPH11172374A (en) * | 1997-12-12 | 1999-06-29 | Nippon Steel Corp | Bent pipe with high strength and high toughness, and its production |
JP2004052104A (en) * | 2002-05-27 | 2004-02-19 | Nippon Steel Corp | High-strength steel excellent in low temperature toughness and toughness at weld heat affected zone, method for producing the same and method for producing high-strength steel pipe |
WO2005061749A2 (en) * | 2003-12-19 | 2005-07-07 | Nippon Steel Corporation | Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02217417A (en) * | 1989-02-17 | 1990-08-30 | Kawasaki Steel Corp | Production of non-heattreated high tensile steel sheet excellent in dwtt characteristic |
US5634988A (en) * | 1993-03-25 | 1997-06-03 | Nippon Steel Corporation | High tensile steel having excellent fatigue strength at its weld and weldability and process for producing the same |
US5900075A (en) * | 1994-12-06 | 1999-05-04 | Exxon Research And Engineering Co. | Ultra high strength, secondary hardening steels with superior toughness and weldability |
US5545269A (en) * | 1994-12-06 | 1996-08-13 | Exxon Research And Engineering Company | Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability |
DE69608179T2 (en) * | 1995-01-26 | 2001-01-18 | Nippon Steel Corp | WELDABLE HIGH-STRENGTH STEEL WITH EXCELLENT DEPTH TEMPERATURE |
US5755895A (en) * | 1995-02-03 | 1998-05-26 | Nippon Steel Corporation | High strength line pipe steel having low yield ratio and excellent in low temperature toughness |
JPH1017986A (en) * | 1996-06-28 | 1998-01-20 | Nippon Steel Corp | Steel excellent in external stress corrosion cracking resistance of pipe line |
NO320153B1 (en) * | 1997-02-25 | 2005-10-31 | Sumitomo Metal Ind | Stable with high toughness and high tensile strength, as well as manufacturing methods |
JPH10237583A (en) * | 1997-02-27 | 1998-09-08 | Sumitomo Metal Ind Ltd | High tensile strength steel and its production |
BR9811051A (en) * | 1997-07-28 | 2000-08-15 | Exxonmobil Upstream Res Co | Steel plate, and, process to prepare it |
US6224689B1 (en) * | 1997-07-28 | 2001-05-01 | Exxonmobil Upstream Research Company | Ultra-high strength, weldable, essentially boron-free steels with superior toughness |
AU736037B2 (en) * | 1997-07-28 | 2001-07-26 | Exxonmobil Upstream Research Company | Method for producing ultra-high strength, weldable steels with superior toughness |
CN1087356C (en) * | 1997-07-28 | 2002-07-10 | 埃克森美孚上游研究公司 | Ultra-high strength, weldable, boron-containing steels withsuperiof toughness |
JP3519966B2 (en) * | 1999-01-07 | 2004-04-19 | 新日本製鐵株式会社 | Ultra-high-strength linepipe excellent in low-temperature toughness and its manufacturing method |
US6669789B1 (en) * | 2001-08-31 | 2003-12-30 | Nucor Corporation | Method for producing titanium-bearing microalloyed high-strength low-alloy steel |
EP1444374B9 (en) * | 2001-10-04 | 2015-02-18 | Nippon Steel Corporation | High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same |
JP3793478B2 (en) * | 2002-04-01 | 2006-07-05 | 新日本製鐵株式会社 | Method for producing high-strength steel sheets and steel pipes that suppress the inclusion of coarse crystal grains and have excellent low-temperature toughness |
WO2004059021A1 (en) * | 2002-12-24 | 2004-07-15 | Nippon Steel Corporation | High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof |
JP3972828B2 (en) * | 2003-01-31 | 2007-09-05 | Jfeスチール株式会社 | 700MPa class non-heat treated thick steel plate and method for producing the same |
CN100432261C (en) * | 2003-06-12 | 2008-11-12 | 杰富意钢铁株式会社 | Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
JP3934604B2 (en) * | 2003-12-25 | 2007-06-20 | 株式会社神戸製鋼所 | High strength cold-rolled steel sheet with excellent coating adhesion |
JP4476863B2 (en) * | 2005-04-11 | 2010-06-09 | 株式会社神戸製鋼所 | Steel wire for cold forming springs with excellent corrosion resistance |
JP4946092B2 (en) * | 2006-02-28 | 2012-06-06 | Jfeスチール株式会社 | High-strength steel and manufacturing method thereof |
JP4427522B2 (en) * | 2006-04-05 | 2010-03-10 | 新日本製鐵株式会社 | Method for producing high strength thick steel plate with tensile strength of 780 MPa excellent in weldability and low temperature toughness |
-
2006
- 2006-11-02 KR KR1020060107917A patent/KR100851189B1/en active IP Right Grant
-
2007
- 2007-11-02 JP JP2009535212A patent/JP5439184B2/en not_active Expired - Fee Related
- 2007-11-02 CA CA2668069A patent/CA2668069C/en not_active Expired - Fee Related
- 2007-11-02 CN CN2007800410343A patent/CN101535518B/en not_active Expired - Fee Related
- 2007-11-02 US US12/447,666 patent/US20100074794A1/en not_active Abandoned
- 2007-11-02 WO PCT/KR2007/005510 patent/WO2008054166A1/en active Application Filing
-
2013
- 2013-08-12 US US13/964,432 patent/US20140158259A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08209287A (en) * | 1995-02-03 | 1996-08-13 | Nippon Steel Corp | Steel for high strength line pipe having low yield ratio and excellent in low temperature toughness |
JPH11172374A (en) * | 1997-12-12 | 1999-06-29 | Nippon Steel Corp | Bent pipe with high strength and high toughness, and its production |
JP2004052104A (en) * | 2002-05-27 | 2004-02-19 | Nippon Steel Corp | High-strength steel excellent in low temperature toughness and toughness at weld heat affected zone, method for producing the same and method for producing high-strength steel pipe |
WO2005061749A2 (en) * | 2003-12-19 | 2005-07-07 | Nippon Steel Corporation | Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof |
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US11453933B2 (en) | 2016-12-23 | 2022-09-27 | Posco | High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
US20100074794A1 (en) | 2010-03-25 |
JP5439184B2 (en) | 2014-03-12 |
CA2668069A1 (en) | 2008-05-08 |
CA2668069C (en) | 2012-06-12 |
CN101535518B (en) | 2011-08-03 |
KR100851189B1 (en) | 2008-08-08 |
US20140158259A1 (en) | 2014-06-12 |
CN101535518A (en) | 2009-09-16 |
KR20080040233A (en) | 2008-05-08 |
JP2010509494A (en) | 2010-03-25 |
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