HRP20050072A2 - Method and ribbed tube for thermally cleaving hydrocarbons - Google Patents
Method and ribbed tube for thermally cleaving hydrocarbons Download PDFInfo
- Publication number
- HRP20050072A2 HRP20050072A2 HR20050072A HRP20050072A HRP20050072A2 HR P20050072 A2 HRP20050072 A2 HR P20050072A2 HR 20050072 A HR20050072 A HR 20050072A HR P20050072 A HRP20050072 A HR P20050072A HR P20050072 A2 HRP20050072 A2 HR P20050072A2
- Authority
- HR
- Croatia
- Prior art keywords
- ribs
- pipe
- tube
- ribbed
- flow
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229930195733 hydrocarbon Natural products 0.000 title claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 7
- 230000008569 process Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000004227 thermal cracking Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- -1 rare earths Chemical compound 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 12
- 230000009471 action Effects 0.000 abstract description 2
- 239000010779 crude oil Substances 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 description 13
- 239000000571 coke Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 238000000197 pyrolysis Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
- C10G9/20—Tube furnaces
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/24—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/80—Additives
- C10G2300/805—Water
- C10G2300/807—Steam
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10233961A DE10233961A1 (de) | 2002-07-25 | 2002-07-25 | Verfahren zum thermischen Spalten von Kohlenwasserstoffen |
| PCT/EP2003/004827 WO2004015029A1 (de) | 2002-07-25 | 2003-05-08 | Verfahren und rippenrohr zum thermischen spalten von kohlenwasserstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20050072A2 true HRP20050072A2 (en) | 2005-08-31 |
Family
ID=30128404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR20050072A HRP20050072A2 (en) | 2002-07-25 | 2005-01-24 | Method and ribbed tube for thermally cleaving hydrocarbons |
Country Status (22)
| Country | Link |
|---|---|
| EP (2) | EP1525289B9 (de) |
| JP (2) | JP4536512B2 (de) |
| KR (1) | KR101023668B1 (de) |
| CN (1) | CN100523133C (de) |
| AT (1) | ATE526385T1 (de) |
| AU (1) | AU2003227737A1 (de) |
| BR (1) | BR0312919B1 (de) |
| CA (1) | CA2493463C (de) |
| DE (1) | DE10233961A1 (de) |
| EA (1) | EA010936B1 (de) |
| ES (1) | ES2374568T3 (de) |
| HR (1) | HRP20050072A2 (de) |
| IL (1) | IL166229A (de) |
| MA (1) | MA27325A1 (de) |
| MX (1) | MXPA05001070A (de) |
| NO (1) | NO337398B1 (de) |
| NZ (1) | NZ537827A (de) |
| PL (1) | PL204769B1 (de) |
| PT (1) | PT1525289E (de) |
| RS (1) | RS20050060A (de) |
| UA (1) | UA85044C2 (de) |
| WO (1) | WO2004015029A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153067B1 (ko) | 2006-07-05 | 2012-06-04 | 수미도모 메탈 인더스트리즈, 리미티드 | 열 분해 반응용 금속관 |
| WO2010106070A1 (en) * | 2009-03-17 | 2010-09-23 | Total Petrochemicals Research Feluy | Process for quenching the effluent gas of a furnace |
| EP2813286A1 (de) * | 2013-06-11 | 2014-12-17 | Evonik Industries AG | Reaktionsrohr und Verfahren zur Herstellung von Cyanwasserstoff |
| FR3033266B1 (fr) * | 2015-03-05 | 2017-03-03 | Ifp Energies Now | Ensemble de collecte d'un fluide gazeux pour reacteur radial |
| WO2017007649A1 (en) * | 2015-07-09 | 2017-01-12 | Sabic Global Technologies B.V. | Minimizing coke formation in a hydrocarbon cracker system |
| JP6107905B2 (ja) * | 2015-09-09 | 2017-04-05 | 株式会社富士通ゼネラル | 熱交換器 |
| MY189535A (en) * | 2016-04-12 | 2022-02-16 | Univ Gent | Reactor for a cracking furnace |
| DE102016012907A1 (de) | 2016-10-26 | 2018-04-26 | Schmidt + Clemens Gmbh + Co. Kg | Tieflochbohrverfahren sowie Werkzeug für eine Tieflochbohrmaschine und Tieflochbohrmaschine |
| DE102017003409B4 (de) | 2017-04-07 | 2023-08-10 | Schmidt + Clemens Gmbh + Co. Kg | Rohr und Vorrichtung zum thermischen Spalten von Kohlenwasserstoffen |
| EP3384981B1 (de) * | 2017-04-07 | 2024-03-06 | Schmidt + Clemens GmbH + Co. KG | Rohr und vorrichtung zum thermischen spalten von kohlenwasserstoffen |
| CA3058824A1 (en) | 2017-04-07 | 2018-10-11 | Schmidt + Clemens Gmbh + Co. Kg | Pipe and device for thermally cleaving hydrocarbons |
| WO2018204060A1 (en) * | 2017-05-05 | 2018-11-08 | Exxonmobil Chemical Patents Inc. | Heat transfer tube for hydrocarbon processing |
| KR102482259B1 (ko) * | 2017-10-27 | 2022-12-27 | 차이나 페트로리움 앤드 케미컬 코포레이션 | 향상된 열 전이 파이프, 및 이를 포함하는 열분해로 |
| GB2590363B (en) * | 2019-12-09 | 2023-06-28 | Paralloy Ltd | Internally profiled tubes |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB969796A (en) | 1961-03-01 | 1964-09-16 | Exxon Research Engineering Co | Apparatus for heating fluids and tubes for disposal therein |
| JPS58132081A (ja) * | 1982-01-08 | 1983-08-06 | Idemitsu Petrochem Co Ltd | 炭化水素の熱分解方法 |
| DE3716665A1 (de) * | 1987-05-19 | 1988-12-08 | Vdm Nickel Tech | Korrosionsbestaendige legierung |
| JP3001181B2 (ja) | 1994-07-11 | 2000-01-24 | 株式会社クボタ | エチレン製造用反応管 |
| DE4427859A1 (de) * | 1994-08-05 | 1995-10-26 | Siemens Ag | Rohr mit auf seiner Innenseite ein mehrgängiges Gewinde bildenden Rippen sowie Dampferzeuger zu seiner Verwendung |
| DE19523280C2 (de) * | 1995-06-27 | 2002-12-05 | Gfm Gmbh Steyr | Schmiedemaschine zum Innenprofilieren von rohrförmigen Werkstücken |
| DE19629977C2 (de) * | 1996-07-25 | 2002-09-19 | Schmidt & Clemens Gmbh & Co Ed | Werkstück aus einer austenitischen Nickel-Chrom-Stahllegierung |
| RU2211854C2 (ru) * | 1997-06-10 | 2003-09-10 | Эксон Кемикэл Пейтентс Инк. | Пиролизная печь с u-образным змеевиком с внутренним оребрением |
| JPH11199876A (ja) * | 1998-01-16 | 1999-07-27 | Kubota Corp | コーキング減少性能を有するエチレン製造用熱分解管 |
-
2002
- 2002-07-25 DE DE10233961A patent/DE10233961A1/de not_active Withdrawn
-
2003
- 2003-05-08 UA UAA200501718A patent/UA85044C2/ru unknown
- 2003-05-08 NZ NZ537827A patent/NZ537827A/en not_active IP Right Cessation
- 2003-05-08 JP JP2004526658A patent/JP4536512B2/ja not_active Expired - Lifetime
- 2003-05-08 EP EP03725176A patent/EP1525289B9/de not_active Expired - Lifetime
- 2003-05-08 KR KR1020057001384A patent/KR101023668B1/ko active IP Right Grant
- 2003-05-08 MX MXPA05001070A patent/MXPA05001070A/es active IP Right Grant
- 2003-05-08 AT AT03725176T patent/ATE526385T1/de active
- 2003-05-08 EP EP10012045A patent/EP2298850A1/de not_active Withdrawn
- 2003-05-08 CN CNB038178850A patent/CN100523133C/zh not_active Expired - Lifetime
- 2003-05-08 AU AU2003227737A patent/AU2003227737A1/en not_active Abandoned
- 2003-05-08 EA EA200500258A patent/EA010936B1/ru not_active IP Right Cessation
- 2003-05-08 PT PT03725176T patent/PT1525289E/pt unknown
- 2003-05-08 ES ES03725176T patent/ES2374568T3/es not_active Expired - Lifetime
- 2003-05-08 CA CA2493463A patent/CA2493463C/en not_active Expired - Lifetime
- 2003-05-08 PL PL373967A patent/PL204769B1/pl unknown
- 2003-05-08 RS YUP-2005/0060A patent/RS20050060A/sr unknown
- 2003-05-08 WO PCT/EP2003/004827 patent/WO2004015029A1/de active Application Filing
- 2003-05-08 BR BRPI0312919-5A patent/BR0312919B1/pt active IP Right Grant
-
2005
- 2005-01-11 IL IL166229A patent/IL166229A/en active IP Right Grant
- 2005-01-18 MA MA28048A patent/MA27325A1/fr unknown
- 2005-01-24 HR HR20050072A patent/HRP20050072A2/hr not_active Application Discontinuation
- 2005-01-28 NO NO20050493A patent/NO337398B1/no not_active IP Right Cessation
-
2010
- 2010-02-18 JP JP2010034129A patent/JP2010150553A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| RS20050060A (en) | 2007-09-21 |
| MXPA05001070A (es) | 2005-10-05 |
| KR20050052457A (ko) | 2005-06-02 |
| NO337398B1 (no) | 2016-04-04 |
| JP2010150553A (ja) | 2010-07-08 |
| BR0312919A (pt) | 2005-07-05 |
| JP4536512B2 (ja) | 2010-09-01 |
| IL166229A (en) | 2008-11-26 |
| PL373967A1 (en) | 2005-09-19 |
| IL166229A0 (en) | 2006-01-15 |
| PT1525289E (pt) | 2012-01-04 |
| JP2005533917A (ja) | 2005-11-10 |
| CN100523133C (zh) | 2009-08-05 |
| NZ537827A (en) | 2007-04-27 |
| EA200500258A1 (ru) | 2005-08-25 |
| ATE526385T1 (de) | 2011-10-15 |
| DE10233961A1 (de) | 2004-02-12 |
| CA2493463C (en) | 2013-01-15 |
| NO20050493L (no) | 2005-03-17 |
| EP1525289A1 (de) | 2005-04-27 |
| EA010936B1 (ru) | 2008-12-30 |
| EP2298850A1 (de) | 2011-03-23 |
| ES2374568T3 (es) | 2012-02-17 |
| CN1671824A (zh) | 2005-09-21 |
| CA2493463A1 (en) | 2004-02-19 |
| WO2004015029A1 (de) | 2004-02-19 |
| MA27325A1 (fr) | 2005-05-02 |
| EP1525289B9 (de) | 2012-02-29 |
| BR0312919B1 (pt) | 2014-06-24 |
| PL204769B1 (pl) | 2010-02-26 |
| AU2003227737A1 (en) | 2004-02-25 |
| UA85044C2 (ru) | 2008-12-25 |
| EP1525289B1 (de) | 2011-09-28 |
| KR101023668B1 (ko) | 2011-03-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| A1OB | Publication of a patent application | ||
| AIPI | Request for the grant of a patent on the basis of a substantive examination of a patent application | ||
| ODRP | Renewal fee for the maintenance of a patent |
Payment date: 20080507 Year of fee payment: 6 |
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| OBST | Application withdrawn |