BRPI0416001A - tubo de aço inoxidável de alta resistência altamente anticorrosivo para tubulações e método de produção do mesmo - Google Patents
tubo de aço inoxidável de alta resistência altamente anticorrosivo para tubulações e método de produção do mesmoInfo
- Publication number
- BRPI0416001A BRPI0416001A BRPI0416001-0A BRPI0416001A BRPI0416001A BR PI0416001 A BRPI0416001 A BR PI0416001A BR PI0416001 A BRPI0416001 A BR PI0416001A BR PI0416001 A BRPI0416001 A BR PI0416001A
- Authority
- BR
- Brazil
- Prior art keywords
- stainless steel
- pipes
- production method
- high strength
- steel tube
- Prior art date
Links
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 3
- 239000010935 stainless steel Substances 0.000 title abstract 3
- 238000005260 corrosion Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000010791 quenching Methods 0.000 abstract 2
- 230000000171 quenching effect Effects 0.000 abstract 2
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C22C38/40—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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
- Y10S148/909—Tube
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 Articles (AREA)
Abstract
"TUBO DE AçO INOXIDáVEL DE ALTA RESISTêNCIA ALTAMENTE ANTICORROSIVO PARA TUBULAçõES E MéTODO DE PRODUçãO DO MESMO". A presente invenção refere-se a um tubo de aço inoxidável de alta resistência e alta resistência à corrosão para tubulação, tendo uma composição contendo 0,001 a 0,015% de C, 0,01 a 0,5% de Si, 0,1 a 1,8% de Mn, 0,03 ou menos de P, 0,005 ou menos de S, 15 a 18% de Cr, 0,5% ou mais e menos de 5,5% de Ni, 0,5 a 3,5% de Mo, 0,02 a 0,2% de V, 0,001 a 0,015% de N, e 0,006% ou menos de 0, em massa, de forma a satisfazer ¢Cr + 0,65 Ni + 0,6 Mo + 0,55 Cu - 20 c <242> 18,5!, ¢Cr + Mo + 0,3 Si - 43,5 C 0,4 Mn - Ni - 0,3 Cu - 9 N <242> 11,5! e ¢C + N <243> 0,0251. Preferivelmente o tratamento de resfriamento brusco e revenido é aplicado ao tubo. A composição pode também conter 0,002 a 0,05% de AI, e pode também conter um ou mais entre Nb, Ti, Zr, B e W, e/ou Cu e Ca. A microestrutura preferivelmente contém martensita, ferrita e <sym> residual.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003373404 | 2003-10-31 | ||
| JP2004038854 | 2004-02-16 | ||
| JP2004117445 | 2004-04-13 | ||
| JP2004135973 | 2004-04-30 | ||
| PCT/JP2004/016075 WO2005042793A1 (ja) | 2003-10-31 | 2004-10-22 | 耐食性に優れたラインパイプ用高強度ステンレス鋼管およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0416001A true BRPI0416001A (pt) | 2007-01-02 |
| BRPI0416001B1 BRPI0416001B1 (pt) | 2017-04-11 |
Family
ID=34557553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0416001A BRPI0416001B1 (pt) | 2003-10-31 | 2004-10-22 | tubo de aço inoxidável sem costura para tubulações de condução |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7862666B2 (pt) |
| EP (1) | EP1683885B1 (pt) |
| BR (1) | BRPI0416001B1 (pt) |
| NO (1) | NO342663B1 (pt) |
| WO (1) | WO2005042793A1 (pt) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2650469C (en) | 2006-05-09 | 2014-02-11 | Nippon Steel & Sumikin Stainless Steel Corporation | Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance to crevice corrosion |
| CN101135028B (zh) * | 2006-08-30 | 2010-08-11 | 宝山钢铁股份有限公司 | 一种高强度不锈钢及其热处理方法 |
| RU2452779C2 (ru) | 2007-02-27 | 2012-06-10 | Эксонмобил Апстрим Рисерч Компани | Сварные конструкции из коррозионно-устойчивых сплавов в конструкциях из углеродистой стали и трубопроводах, выдерживающие высокие осевые пластические деформации |
| WO2009119048A1 (ja) * | 2008-03-28 | 2009-10-01 | 住友金属工業株式会社 | 油井管に用いられるステンレス鋼 |
| AR073884A1 (es) * | 2008-10-30 | 2010-12-09 | Sumitomo Metal Ind | Tubo de acero inoxidable de alta resistencia excelente en resistencia a la fisuracion bajo tension por sulfuros y a la corrosion de gas de acido carbonico en alta temperatura. |
| JP5463527B2 (ja) * | 2008-12-18 | 2014-04-09 | 独立行政法人日本原子力研究開発機構 | オーステナイト系ステンレス鋼からなる溶接材料およびそれを用いた応力腐食割れ予防保全方法ならびに粒界腐食予防保全方法 |
| AR076669A1 (es) | 2009-05-18 | 2011-06-29 | Sumitomo Metal Ind | Acero inoxidable para pozos de petroleo, tubo de acero inoxidable para pozos de petroleo, y metodo de fabricacion de acero inoxidable para pozos de petroleo |
| DE102009026251A1 (de) * | 2009-07-24 | 2011-02-03 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zum energieeffizienten Warmumformen |
| CN102859019A (zh) * | 2010-04-19 | 2013-01-02 | 杰富意钢铁株式会社 | 焊接热影响部的耐晶间应力腐蚀开裂性优异的线管用含Cr钢管 |
| AU2011246246B2 (en) * | 2010-04-28 | 2013-09-05 | Nippon Steel Corporation | High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| RU2583207C1 (ru) * | 2012-03-26 | 2016-05-10 | Ниппон Стил Энд Сумитомо Метал Корпорейшн | Нержавеющая сталь для нефтяных скважин и труба из нержавеющей стали для нефтяных скважин |
| CN104254625A (zh) * | 2012-04-26 | 2014-12-31 | 杰富意钢铁株式会社 | 焊接热影响部的耐晶界应力腐蚀破裂性优良的管线管用含Cr钢管 |
| JP5488643B2 (ja) * | 2012-05-31 | 2014-05-14 | Jfeスチール株式会社 | 油井管用高強度ステンレス鋼継目無管およびその製造方法 |
| JP5924256B2 (ja) | 2012-06-21 | 2016-05-25 | Jfeスチール株式会社 | 耐食性に優れた油井用高強度ステンレス鋼継目無管およびその製造方法 |
| JP5807630B2 (ja) * | 2012-12-12 | 2015-11-10 | Jfeスチール株式会社 | 継目無鋼管の熱処理設備列および高強度ステンレス鋼管の製造方法 |
| JP5967066B2 (ja) * | 2012-12-21 | 2016-08-10 | Jfeスチール株式会社 | 耐食性に優れた油井用高強度ステンレス継目無鋼管およびその製造方法 |
| WO2015033518A1 (ja) | 2013-09-04 | 2015-03-12 | Jfeスチール株式会社 | 高強度ステンレス鋼管の製造方法および高強度ステンレス鋼管 |
| BR102014005015A8 (pt) | 2014-02-28 | 2017-12-26 | Villares Metals S/A | aço inoxidável martensítico-ferrítico, produto manufaturado, processo para a produção de peças ou barras forjadas ou laminadas de aço inoxidável martensítico-ferrítico e processo para a produção de tudo sem costura de aço inoxidável martensítico-ferrítico |
| CN106414785B (zh) | 2014-05-21 | 2018-10-09 | 杰富意钢铁株式会社 | 油井用高强度不锈钢无缝钢管及其制造方法 |
| WO2016113794A1 (ja) | 2015-01-15 | 2016-07-21 | Jfeスチール株式会社 | 油井用継目無ステンレス鋼管およびその製造方法 |
| EP3260564B1 (en) * | 2015-02-20 | 2022-08-17 | JFE Steel Corporation | High-strength seamless thick-walled steel pipe and process for producing same |
| RU2586193C1 (ru) * | 2015-03-30 | 2016-06-10 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН) | Высокопрочная коррозионно-стойкая свариваемая сталь |
| RU2686727C2 (ru) | 2015-08-04 | 2019-04-30 | Ниппон Стил Энд Сумитомо Метал Корпорейшн | Нержавеющая сталь и изделие из нержавеющей стали для нефтяной скважины |
| CN108603259B (zh) * | 2016-02-19 | 2020-11-06 | 日本制铁株式会社 | 在淬火回火后具有高强度且低温韧性优异的钢 |
| CA3024694A1 (en) * | 2016-05-20 | 2017-11-23 | Nippon Steel & Sumitomo Metal Corporation | Steel bar for downhole member, and downhole member |
| JP6304460B1 (ja) | 2016-07-27 | 2018-04-04 | Jfeスチール株式会社 | 油井用高強度ステンレス継目無鋼管およびその製造方法 |
| JP7226571B2 (ja) * | 2020-07-06 | 2023-02-21 | Jfeスチール株式会社 | ステンレス継目無鋼管およびその製造方法 |
| CN116727482B (zh) * | 2022-03-03 | 2025-12-12 | 无锡市禾富金属制品科技有限公司 | 一种高精密耐高温汽车排气管制造工艺 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2742949B2 (ja) * | 1989-08-16 | 1998-04-22 | 新日本製鐵株式会社 | 耐食性の優れたマルテンサイト系ステンレス鋼およびその製造方法 |
| US5496421A (en) | 1993-10-22 | 1996-03-05 | Nkk Corporation | High-strength martensitic stainless steel and method for making the same |
| JP3156170B2 (ja) | 1994-07-26 | 2001-04-16 | 住友金属工業株式会社 | ラインパイプ用マルテンサイト系ステンレス鋼 |
| JPH09228001A (ja) | 1996-02-23 | 1997-09-02 | Kawasaki Steel Corp | 耐孔食性に優れたマルテンサイト系ステンレス鋼およびマルテンサイト系ステンレス鋼管 |
| JP3533055B2 (ja) | 1996-03-27 | 2004-05-31 | Jfeスチール株式会社 | 耐食性および溶接性に優れたラインパイプ用マルテンサイト鋼 |
| JPH1180881A (ja) | 1997-09-05 | 1999-03-26 | Nkk Corp | 溶接部靭性と耐硫化物腐食割れ性に優れた高クロム溶接 鋼管 |
| WO2001010591A1 (en) * | 1999-08-06 | 2001-02-15 | Sumitomo Metal Industries, Ltd. | Martensite stainless steel welded steel pipe |
| JP4193308B2 (ja) * | 1999-11-15 | 2008-12-10 | 住友金属工業株式会社 | 耐硫化物応力割れ性に優れた低炭素フェライト−マルテンサイト二相ステンレス溶接鋼管 |
| JP2001179485A (ja) | 1999-12-27 | 2001-07-03 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス溶接鋼管およびその製造方法 |
| JP4250851B2 (ja) * | 2000-03-30 | 2009-04-08 | 住友金属工業株式会社 | マルテンサイト系ステンレス鋼および製造方法 |
| JP4449174B2 (ja) * | 2000-06-19 | 2010-04-14 | Jfeスチール株式会社 | 油井用高強度マルテンサイト系ステンレス鋼管の製造方法 |
| JP2002060910A (ja) | 2000-08-11 | 2002-02-28 | Sumitomo Metal Ind Ltd | 高Cr溶接鋼管 |
| EP1514950B1 (en) | 2002-06-19 | 2011-09-28 | JFE Steel Corporation | Stainless-steel pipe for oil well and process for producing the same |
| JP3966136B2 (ja) | 2002-09-20 | 2007-08-29 | Jfeスチール株式会社 | 耐食性に優れたラインパイプ用ステンレス鋼管 |
| US7294212B2 (en) * | 2003-05-14 | 2007-11-13 | Jfe Steel Corporation | High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same |
-
2004
- 2004-10-22 EP EP04793183.7A patent/EP1683885B1/en not_active Expired - Lifetime
- 2004-10-22 US US10/576,885 patent/US7862666B2/en not_active Expired - Fee Related
- 2004-10-22 WO PCT/JP2004/016075 patent/WO2005042793A1/ja not_active Ceased
- 2004-10-22 BR BRPI0416001A patent/BRPI0416001B1/pt not_active IP Right Cessation
-
2006
- 2006-05-30 NO NO20062467A patent/NO342663B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0416001B1 (pt) | 2017-04-11 |
| EP1683885A1 (en) | 2006-07-26 |
| NO342663B1 (no) | 2018-06-25 |
| EP1683885B1 (en) | 2013-05-29 |
| EP1683885A4 (en) | 2007-01-03 |
| US7862666B2 (en) | 2011-01-04 |
| US20070074793A1 (en) | 2007-04-05 |
| NO20062467L (no) | 2006-05-30 |
| WO2005042793A1 (ja) | 2005-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0416001A (pt) | tubo de aço inoxidável de alta resistência altamente anticorrosivo para tubulações e método de produção do mesmo | |
| BRPI0608953B8 (pt) | métodos de produção de tubo de aço sem costura para tubulação, com espessura de parede de 25 mm ou mais, com alta resistência e tenacidade aumentada. | |
| BR0106737A (pt) | Tubo de aço para uso em reforço de automóvel e método para sua produção | |
| BR112012024757A2 (pt) | tubo de aço sem costura para tubos de condução e método para fabricação do mesmo | |
| BR112015014716B8 (pt) | Tubo ou tubulação sem costura de aço inoxidável de alta resistência para poços de óleo tubulares e método para fabricação do tubo ou tubulação | |
| BR112014029392A2 (pt) | tubo de aço inoxidável sem costura de alta resistência para materiais tubulares de campos petrolíferos e método para produção do mesmo | |
| BRPI0802627A2 (pt) | produtos tubulares para paìses produtores de petróleo em aço sem costura, aço de baixa liga e método de produção de tubulação em aço sem costura | |
| BRPI0412746A (pt) | aço inoxidável martensìtico | |
| BR112018015713A2 (pt) | tubulação de aço inoxidável sem emenda de alta resistência para poço de óleo e método para fabricar a mesma | |
| BR112019002925A2 (pt) | material de aço e tubo de aço de poço de petróleo | |
| BRPI1008378A8 (pt) | Aço para estabilizador de alta solidez para veículos, método para produzir um estabilizador de alta solidez para veículos e estabilizador de alta solidez para veículos | |
| EA200501880A1 (ru) | Расширяющаяся при заделывании стальная труба для нефтяной скважины | |
| BR0208629B1 (pt) | aço e tubulação em aço para uso à elevada temperatura. | |
| BR112019004836A2 (pt) | tubo de aço contínuo de alta resistibilidade para poço de petróleo, e método para produção do mesmo | |
| BRPI0410575A (pt) | chapa de aço de alta resistência laminada a frio e chapa de aço de alta resistência com superfìcie tratada, com limite de resistência à tração de 780 mpa ou mais, tendo excelente capacidade de conformação local e aumento suprimindo na dureza da solda | |
| BR112018000540A2 (pt) | tubo de aço inoxidável sem costura de alta resistência e método para a fabricação de tubo de aço inoxidável sem costura de alta resistência | |
| BR112013021809A2 (pt) | liga de ni-fe-cr e válvula de motor soldada com mesma liga | |
| JP2011508078A5 (pt) | ||
| NO20080271L (no) | Fremgangsmate for fremstilling av somlos stalpipe | |
| NO20080938L (no) | Ledningsror av somlose stalror og fremgangsmate for fremstilling derav | |
| BRPI0418480A (pt) | tubo de aço inoxidável martensìtico | |
| SA521422138B1 (ar) | أنبوب غير ملحوم من فولاذ مقاوم للصدأ مزدوج وطريقة تصنيعه | |
| WO2004072316A8 (en) | Austenitic stainless steels including molybdenum | |
| BR112019023356A2 (pt) | Tubo de aço dobrado e método para a sua produção | |
| NO20025551L (no) | Martensitt rustfritt stål og sömlöst stålrör produsert av dette |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O E 13 DA LPI |
|
| B12B | Appeal against refusal [chapter 12.2 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/04/2017, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 19A ANUIDADE. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2745 DE 15-08-2023 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |