EP3081663A4 - Steel plate with excellent sour resistance, haz toughness and haz hardness, and steep pipe for line pipe - Google Patents
Steel plate with excellent sour resistance, haz toughness and haz hardness, and steep pipe for line pipe Download PDFInfo
- Publication number
- EP3081663A4 EP3081663A4 EP14870221.0A EP14870221A EP3081663A4 EP 3081663 A4 EP3081663 A4 EP 3081663A4 EP 14870221 A EP14870221 A EP 14870221A EP 3081663 A4 EP3081663 A4 EP 3081663A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- haz
- pipe
- steel plate
- steep
- hardness
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013256080 | 2013-12-11 | ||
PCT/JP2014/082763 WO2015087940A1 (en) | 2013-12-11 | 2014-12-10 | Steel plate with excellent sour resistance, haz toughness and haz hardness, and steep pipe for line pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3081663A1 EP3081663A1 (en) | 2016-10-19 |
EP3081663A4 true EP3081663A4 (en) | 2017-06-14 |
Family
ID=53371239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14870221.0A Withdrawn EP3081663A4 (en) | 2013-12-11 | 2014-12-10 | Steel plate with excellent sour resistance, haz toughness and haz hardness, and steep pipe for line pipe |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160244865A1 (en) |
EP (1) | EP3081663A4 (en) |
JP (1) | JP6193206B2 (en) |
KR (1) | KR20160083936A (en) |
CN (1) | CN105765098B (en) |
WO (1) | WO2015087940A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6369288B2 (en) * | 2014-10-28 | 2018-08-08 | 新日鐵住金株式会社 | Carbon steel slab and method for producing carbon steel slab |
JP2018009239A (en) * | 2016-02-15 | 2018-01-18 | 株式会社神戸製鋼所 | Steel sheet and production method therefor |
WO2017141714A1 (en) * | 2016-02-15 | 2017-08-24 | 株式会社神戸製鋼所 | Steel sheet and production method therefor |
KR20190014081A (en) * | 2016-07-11 | 2019-02-11 | 신닛테츠스미킨 카부시키카이샤 | Sealed steel pipe for boiler excellent in stress corrosion cracking resistance and manufacturing method thereof |
JP6819353B2 (en) * | 2017-02-23 | 2021-01-27 | 日本製鉄株式会社 | Manufacturing method of carbon steel slabs and carbon steel shards |
JP6791008B2 (en) * | 2017-05-19 | 2020-11-25 | 日本製鉄株式会社 | Manufacturing method of carbon steel slabs and carbon steel shards |
US20230175107A1 (en) * | 2020-04-01 | 2023-06-08 | Nippon Steel Corporation | Steel material |
CN111893240A (en) * | 2020-07-28 | 2020-11-06 | 北京科技大学 | Method for improving welding performance of Nb and Ti microalloyed steel by using rare earth |
CN113215472B (en) * | 2021-03-25 | 2022-04-26 | 马鞍山钢铁股份有限公司 | Niobium-vanadium microalloyed high-strength fine-grain non-quenched and tempered cold forging steel square billet and manufacturing method thereof |
CN113652603A (en) * | 2021-07-07 | 2021-11-16 | 包头钢铁(集团)有限责任公司 | Rare earth-containing 750 MPa-grade seamless steel tube for engineering machinery and production method thereof |
JP7239086B1 (en) * | 2021-10-01 | 2023-03-14 | 日本製鉄株式会社 | Martensitic stainless steel pipe |
WO2023054586A1 (en) * | 2021-10-01 | 2023-04-06 | 日本製鉄株式会社 | Martensitic stainless steel pipe |
CN114737113A (en) * | 2022-03-24 | 2022-07-12 | 南京钢铁股份有限公司 | 3.5Ni steel and production method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0610040A (en) * | 1990-11-08 | 1994-01-18 | Nippon Steel Corp | Production of high strength refractory steel excellent in toughness at low temperature in weld zone |
JPH09194998A (en) * | 1996-01-09 | 1997-07-29 | Nkk Corp | Welded steel tube and its production |
US20030121577A1 (en) * | 2000-12-14 | 2003-07-03 | Hae-Chang Choi | Steel plate to be precipitating tinfor welded structures,method for manufacturing the same and welding fabric using the same |
US20130260164A1 (en) * | 2012-03-30 | 2013-10-03 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel plate with excellent hydrogen induced cracking resistance, and manufacturing method of the same |
EP2666880A1 (en) * | 2011-01-18 | 2013-11-27 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0196329A (en) | 1987-10-07 | 1989-04-14 | Nippon Steel Corp | Manufacture of steel for welding construction excellent in sulfide stress corrosion cracking resistance and having >=56kgf/mm2 tensile strength |
JP4631414B2 (en) | 2003-12-02 | 2011-02-16 | Jfeスチール株式会社 | High tough, thick welded steel pipe with excellent sour resistance |
JP5223511B2 (en) | 2007-07-31 | 2013-06-26 | Jfeスチール株式会社 | Steel sheet for high strength sour line pipe, method for producing the same and steel pipe |
JP4485561B2 (en) * | 2007-10-02 | 2010-06-23 | 株式会社神戸製鋼所 | High tensile steel plate for welding with excellent base metal toughness |
JP5394849B2 (en) | 2008-12-22 | 2014-01-22 | 株式会社神戸製鋼所 | Thick steel plate with excellent toughness in weld heat affected zone |
JP5576640B2 (en) * | 2009-03-25 | 2014-08-20 | 株式会社神戸製鋼所 | Steel with excellent toughness in weld heat affected zone |
KR101320220B1 (en) * | 2010-05-20 | 2013-10-29 | 가부시키가이샤 고베 세이코쇼 | Thick steel plate |
JP5818343B2 (en) * | 2010-09-29 | 2015-11-18 | 株式会社神戸製鋼所 | Thick steel plate with excellent toughness in weld heat affected zone |
JP6211296B2 (en) * | 2013-04-30 | 2017-10-11 | 株式会社神戸製鋼所 | Steel plate with excellent sour resistance and HAZ toughness |
-
2014
- 2014-12-03 JP JP2014245155A patent/JP6193206B2/en not_active Expired - Fee Related
- 2014-12-10 KR KR1020167015157A patent/KR20160083936A/en not_active Application Discontinuation
- 2014-12-10 CN CN201480064679.9A patent/CN105765098B/en not_active Expired - Fee Related
- 2014-12-10 WO PCT/JP2014/082763 patent/WO2015087940A1/en active Application Filing
- 2014-12-10 EP EP14870221.0A patent/EP3081663A4/en not_active Withdrawn
- 2014-12-10 US US15/027,273 patent/US20160244865A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0610040A (en) * | 1990-11-08 | 1994-01-18 | Nippon Steel Corp | Production of high strength refractory steel excellent in toughness at low temperature in weld zone |
JPH09194998A (en) * | 1996-01-09 | 1997-07-29 | Nkk Corp | Welded steel tube and its production |
US20030121577A1 (en) * | 2000-12-14 | 2003-07-03 | Hae-Chang Choi | Steel plate to be precipitating tinfor welded structures,method for manufacturing the same and welding fabric using the same |
EP2666880A1 (en) * | 2011-01-18 | 2013-11-27 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
US20130260164A1 (en) * | 2012-03-30 | 2013-10-03 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel plate with excellent hydrogen induced cracking resistance, and manufacturing method of the same |
Non-Patent Citations (2)
Title |
---|
L. HOLAPPA ET AL: "Thermodynamic examination of inclusion modification and precipitation from calcium treatment to solidified steel", IRONMAKING & STEELMAKING: PROCESSES, PRODUCTS AND APPLICATIONS, vol. 30, no. 2, 18 April 2003 (2003-04-18), United Kingdom, pages 111 - 115, XP055369485, ISSN: 0301-9233, DOI: 10.1179/030192303225001748 * |
See also references of WO2015087940A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3081663A1 (en) | 2016-10-19 |
CN105765098A (en) | 2016-07-13 |
WO2015087940A1 (en) | 2015-06-18 |
CN105765098B (en) | 2018-05-08 |
KR20160083936A (en) | 2016-07-12 |
US20160244865A1 (en) | 2016-08-25 |
JP2015132014A (en) | 2015-07-23 |
JP6193206B2 (en) | 2017-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3081663A4 (en) | Steel plate with excellent sour resistance, haz toughness and haz hardness, and steep pipe for line pipe | |
EP3012340A4 (en) | Ht550 steel plate with ultrahigh toughness and excellent weldability and manufacturing method therefor | |
EP3018231A4 (en) | Steel plate having excellent hydrogen-induced-cracking resistance and toughness, and steel tube for line pipe | |
EP3050988A4 (en) | High-strength steel sheet having excellent ductility and low-temperature toughness, and method for producing same | |
EP3042976A4 (en) | Steel sheet for thick-walled high-strength line pipe having exceptional souring resistance, crush resistance properties, and low-temperature ductility, and line pipe | |
EP2832879A4 (en) | High-strength steel pipe for line pipe having excellent hydrogen-induced cracking resistance, high-strength steel pipe for line pipe using same, and method for manufacturing same | |
EP3272899A4 (en) | Low-yield-ratio high-strength-toughness thick steel plate with excellent low-temperature impact toughness and manufacturing method therefor | |
EP3026138B8 (en) | High-strength steel material for oil well use, and oil well pipe | |
EP2980235A4 (en) | Steel plate with excellent hydrogen-induced cracking resistance and toughness of the weld heat affected zone, and steel tube for use as line pipe | |
EP3026140A4 (en) | Steel plate for line pipe, and line pipe | |
EP2837708A4 (en) | High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same | |
EP2942415A4 (en) | Abrasion resistant steel plate having low-temperature toughness and hydrogen embrittlement resistance, and manufacturing method therefor | |
EP2980238A4 (en) | Steel plate with excellent hydrogen-induced cracking resistance and toughness, and line pipe steel tube | |
EP2980250A4 (en) | Abrasion resistant steel plate having low-temperature toughness, and manufacturing method therefor | |
EP2873747A4 (en) | Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance | |
EP2873748A4 (en) | Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance | |
EP3112490A4 (en) | Steel pipe for fuel injection line, and fuel injection line employing same | |
EP2878696A4 (en) | Electric-resistance-welded steel pipe exhibiting excellent hic resistance and low-temperature toughness at electric-resistance-welded parts, and production method therefor | |
EP2987885A4 (en) | Thick steel plate having excellent ultralow-temperature toughness | |
EP2865777A4 (en) | High-strength stainless steel seamless pipe having excellent corrosion resistance for oil well, and method for manufacturing same | |
EP2992259A4 (en) | Valve, pipe and pipe component repair | |
EP2771533A4 (en) | High-strength, high-hardness binders and drilling tools formed using the same | |
EP2933347A4 (en) | Thick steel plate having excellent cryogenic toughness | |
EP3239333A4 (en) | Steel plate having excellent toughness and resistance to hydrogen-induced cracking, and steel pipe for line pipe | |
EP3034642A4 (en) | Martensitic stainless steel having excellent wear resistance and corrosion resistance, and method for producing same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20160330 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170517 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/28 20060101ALI20170511BHEP Ipc: C22C 38/06 20060101ALI20170511BHEP Ipc: C22C 38/00 20060101AFI20170511BHEP Ipc: C22C 38/58 20060101ALI20170511BHEP Ipc: C22C 38/14 20060101ALI20170511BHEP Ipc: C22C 38/12 20060101ALI20170511BHEP Ipc: C21D 9/46 20060101ALI20170511BHEP Ipc: C22C 38/08 20060101ALI20170511BHEP Ipc: C21D 9/14 20060101ALI20170511BHEP Ipc: C21D 8/02 20060101ALI20170511BHEP Ipc: C22C 38/26 20060101ALI20170511BHEP Ipc: C22C 38/16 20060101ALI20170511BHEP Ipc: C22C 38/04 20060101ALI20170511BHEP Ipc: C22C 38/02 20060101ALI20170511BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20180406 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20180817 |