CN1431335A - Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy - Google Patents
Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy Download PDFInfo
- Publication number
- CN1431335A CN1431335A CN03114437A CN03114437A CN1431335A CN 1431335 A CN1431335 A CN 1431335A CN 03114437 A CN03114437 A CN 03114437A CN 03114437 A CN03114437 A CN 03114437A CN 1431335 A CN1431335 A CN 1431335A
- Authority
- CN
- China
- Prior art keywords
- copper
- alloy
- coating
- nickel
- based self
- 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.)
- Granted
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
A process for preparing the coated self-fusible Ni-base alloy layer on the copper or copper alloy substrate (such as the copper plate of crystallizer) includes such steps as pretreating the surface of copper or copper alloy substrate, spraying a binding layer, and spraying self-fusible Ni-base alloy layer. Its advantages are high adhesion, and excellent antiwear nature and resistance to hot shock.
Description
One, affiliated technical field
The present invention relates to Application Areas and comprise a kind of coating in fields such as metallurgy, electric power, chemical industry and preparation method thereof, particularly a kind of preparation method who can be used for nickel-based self-fluxing alloy coating on the reparation of continuous casting of iron and steel crystallizer and copper of strengthening or the copper alloy matrix.
Two, background technology
Casting and rolling process has become ferrous metallurgy field most important method.Crystallizer wherein adopts the copper coin manufacturing, and hardness is low, wear resisting property is poor, the life-span weak point is the subject matter of crystallizer, the life-span restriction production efficiency and the cost of crystallizer.The method that copper coin is strengthened generally comprises electronickelling, chromium and surfacing nickel-base alloy.The weak point that exists be condition harshness, the anchoring strength of coating in long, the process of producing product of production cycle low, peel off easily, work-ing life is short etc.
Three, summary of the invention
Defective or deficiency according to above-mentioned prior art existence, the objective of the invention is to, a kind of preparation method who is used for nickel-based self-fluxing alloy coating on copper or the copper alloy matrix is provided, this anchoring strength of coating height, can be widely used in the reinforcement and the reparation of various copper or copper alloy surface, can effectively improve the work-ing life of copper plate of crystallizer, make copper coin have superior abrasion resistance properties and thermal shock resistance.
To achieve these goals, the technical solution adopted in the present invention is, the preparation method of nickel-based self-fluxing alloy coating is characterized on copper or the copper alloy matrix, and this nickel-based self-fluxing alloy coating is included in the double-layer structure coating in conjunction with bottom and work coating for preparing on copper or the copper alloy matrix;
Its preparation method carries out according to the following steps:
(1) surface preparation is carried out on the surface of copper or copper alloy;
(2) passing through pretreated surperficial spray coating metal ceramic in conjunction with bottom;
(3) will work coating spraying in conjunction with bottom, the work coating is to contain ceramic or ceramic-metallic one or more the compound coating of nickel-based self-fluxing alloy and metal or alloy, and wherein ceramic the or ceramic-metallic content of metal or alloy is 0～50wt%;
(4) in preparation process, matrix and coating temperature are controlled in-50 ℃～400 ℃ scopes.
Some other characteristics of the present invention are, describedly mainly play the effect of coating transition bonded in conjunction with bottom, and double as working lining where necessary, and described working lining mainly plays effective style of work of effect such as wear-resistant, corrosion-resistant;
Described sintering metal in conjunction with primer is the sintering metal of carbide series, can be WC-12Co, WC-17Co, WC-8Co, WC-Ni, WC-CoCr, WC-NiFe, W2C-Co, W-C-Co; Also can be two or more mixing in the above-mentioned materials, can also be in the above-mentioned materials one or more with Cr3C2-NiCr, W-Ni in the mixing of one or more materials.
Described preparation method in conjunction with bottom and work coating adopts the method for subsonic speed flame plating or hypersonic flame spraying or supersonic speed plasma spraying or detonation flame spraying.
Additive in the described nickel-based self-fluxing alloy can keep a certain content in whole work coating, also can change according to certain rules.
Described can be hot-spraying techniques pretreatment processs commonly used such as oil removing, rust cleaning show, alligatoring to copper or copper alloy surface pre-treatment, also can be to adopt methods such as plating, electroless plating to carry out carrying out pretreated methods such as oil removing, alligatoring again behind the alloy layer of nickel plating, chromium and nickel, chromium and other metallic element on its surface earlier.
Described bilayer structure can become the double-layer structure coating that interlayer does not present obvious boundary line by material mixing and the content transition in conjunction with bottom and work coating.
Preparation method by nickel-based self-fluxing alloy coating on resulting copper of preparation method of the present invention or the copper alloy matrix, the high bonded ni base alloy coating that can be used for continuous casting of iron and steel crystallizer copper or copper alloy matrix reparation and strengthened coat, also can be used for the nickel-based self-fluxing alloy coating of other copper or copper alloy requirement high bond strength, make it have superior abrasion resistance properties and thermal shock resistance.
Four, embodiment
Below in conjunction with the embodiment that the contriver provides, the present invention is described in further detail.
According to technical scheme of the present invention, concrete implementation step is as follows:
(1) matrix is carried out surface preparation;
(2) reach-50 ℃～400 ℃ according to spray material with the different temperature that make of technology;
(3) adopt the spraying of subsonic speed flame plating or hypersonic flame spraying or supersonic speed plasma spraying or detonation flame spraying method in conjunction with bottom;
(4) adopt subsonic speed flame plating or hypersonic flame spraying or supersonic speed plasma spraying or detonation flame spraying or electric arc spraying or High Speed Electric Arc Spraying method to prepare nickel-based self-fluxing alloy work coating.
Below be the embodiment that the contriver provides, but the invention is not restricted to these embodiment.
Embodiment 1:
According to method of the present invention, electroplate on the copper matrix of cold spraying alligatoring adopt behind the 50 μ m nickel dams subsonic speed flame spraying method prepare WC-17Co alloy that 30 μ m～40 μ m are thick in conjunction with bottom, adopt hypersonic flame spraying to prepare Ni60 self-fluxing alloy and Cr3C2-NiCr alloy compound coating thereon then, wherein Cr3C2-NiCr content is 20%.Temperature is controlled at about 150 ℃ during spraying.Because good in conjunction with bottom and matrix bond, and the work coating with combine bottom in conjunction with well, so between work coating and the matrix by the good binding that combined bottom layer realization, bonding strength can surpass 50MPa.This coating not only has combination preferably and thermal shock resistance, and wear resisting property is also owing to the content of Cr3C2-NiCr in the work coating is higher and superior especially.
Embodiment 2:
According to method of the present invention, on pretreated chromium magnesium copper alloy matrix, adopt plasma spraying method prepare WC-12Co alloy that 40 μ m～60 μ m are thick in conjunction with bottom, adopt hypersonic flame spraying to prepare Ni55 self-fluxing alloy and Cr3C2-NiCr alloy compound coating thereon then, wherein Cr3C2-NiCr content from conjunction with bottom 20% to work coatingsurface 60%.Temperature is controlled at 350 ℃～400 ℃ during spraying.
Embodiment 3:
According to method of the present invention, on pretreated chrome zirconium copper alloy matrix, adopt the detonation flame spraying method to prepare the bottom that combines of the thick WC-CoCr of 60 μ m～120 μ m and Cr3C2-NiCr, W-Ni alloy, adopt hypersonic flame spraying to prepare the compound self-fluxing alloy coating of Delelo50 self-fluxing alloy and Cr3C2-NiCr and TiB2 thereon then, wherein Cr3C2-NiCr content is 30%, and TiB2 content is 5%.Temperature is controlled at 200 ℃～250 ℃ during spraying.This coating not only has combination preferably and thermal shock resistance, and wear resisting property is also because the antifriction of TiB2 and wear-resisting effect and superior especially.
The foregoing description can be enumerated many, and wherein temperature control can be controlled in-50 ℃～400 ℃ according to materials different in the technical scheme of the present invention, can both reach effect of the present invention.
Enforcement of the present invention, can prepare high bonded ni base alloy coating at the copper matrix surface, can be used for continuous casting of iron and steel crystallizer copper or copper alloy matrix and strengthen and reparation, also can be used as the copper of other type or the nickel-based self-fluxing alloy coating that the copper alloy matrix component surface requires high bond strength.
Claims (6)
1. the preparation method of nickel-based self-fluxing alloy coating on copper or the copper alloy matrix is characterized in that,
This nickel-based self-fluxing alloy coating is included in the double-layer structure coating in conjunction with bottom and work coating for preparing on copper or the copper alloy matrix;
Its preparation method carries out according to the following steps:
(1) surface preparation is carried out on the surface of copper or copper alloy;
(2) passing through pretreated surperficial spray coating metal ceramic in conjunction with bottom;
(3) will work coating spraying in conjunction with bottom, the work coating is ceramic or ceramic-metallic one or more the compound coating of nickel-based self-fluxing alloy and metal or alloy, and wherein ceramic the or ceramic-metallic content of metal or alloy is 0～50wt%;
(4) in preparation process, matrix and coating temperature are controlled in-50 ℃～400 ℃ scopes.
2. the preparation method of nickel-based self-fluxing alloy coating on copper as claimed in claim 1 or the copper alloy matrix, it is characterized in that, described sintering metal in conjunction with primer is high desnity metal or alloy or pottery and metal or alloy compound matrix material, and high desnity metal wherein or alloy or pottery can be metal or alloy or its pottery of tungsten, molybdenum, chromium, nickel, cobalt.
3. the preparation method of nickel-based self-fluxing alloy coating on copper as claimed in claim 1 or the copper alloy matrix, it is characterized in that, described preparation method in conjunction with bottom and work coating adopts HVOF (High Velocity Oxygen Fuel), comprise subsonic speed flame plating and hypersonic flame spraying and detonation flame spraying, or supersonic speed plasma spraying, or the method for supersonic electric arc spraying or High Speed Electric Arc Spraying or the active electric arc spraying of supersonic speed.
4. press the preparation method of nickel-based self-fluxing alloy coating on claim 1 or 2 or 3 described copper or the copper alloy matrix, it is characterized in that, carrying out the compound additive with nickel-based self-fluxing alloy in the described nickel-based self-fluxing alloy coating can keep a certain content in whole work coating, also can change according to certain rules.
5. press the preparation method of nickel-based self-fluxing alloy coating on described copper of claim 1 or the copper alloy matrix, it is characterized in that, describedly can be oil removing, remove hot-spraying techniquess such as show, alligatoring pretreatment process commonly used copper or copper alloy surface pre-treatment, also can be to carry out carrying out pretreated methods such as oil removing, alligatoring again behind alloy layer of nickel plating, chromium and nickel, chromium and other metallic element in methods such as its surface employing plating, electroless platings earlier.
6. press the preparation method of nickel-based self-fluxing alloy coating on described copper of claim 1 or the copper alloy matrix, it is characterized in that described bilayer structure can become the double-layer structure coating that interlayer does not present obvious boundary line by material mixing and the content transition in conjunction with bottom and work coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031144373A CN1297683C (en) | 2003-01-17 | 2003-01-17 | Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031144373A CN1297683C (en) | 2003-01-17 | 2003-01-17 | Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1431335A true CN1431335A (en) | 2003-07-23 |
| CN1297683C CN1297683C (en) | 2007-01-31 |
Family
ID=4790428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031144373A Expired - Fee Related CN1297683C (en) | 2003-01-17 | 2003-01-17 | Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1297683C (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351420C (en) * | 2005-11-17 | 2007-11-28 | 广州有色金属研究院 | Method for supersonic flame spraying crystallizer brass plate |
| CN102189370A (en) * | 2010-03-04 | 2011-09-21 | 宝山钢铁股份有限公司 | Cold spray repairing method for crystallizer copper plate |
| CN102212777A (en) * | 2011-06-07 | 2011-10-12 | 长春工业大学 | Surface strengthening method of crystallizer of continuous casting and rolling machine |
| CN102776464A (en) * | 2012-08-10 | 2012-11-14 | 昆山乔锐金属制品有限公司 | Manufacture method of iron-base part ceramic coating |
| CN101583446B (en) * | 2007-01-18 | 2012-11-21 | Sms西马格股份公司 | Die with coating |
| CN102794417A (en) * | 2011-05-24 | 2012-11-28 | 宝山钢铁股份有限公司 | Metal ceramic coating on surface of copper plate of continuous casting mold and manufacturing process for metal ceramic coating |
| CN103302442A (en) * | 2013-06-18 | 2013-09-18 | 青岛云路新能源科技有限公司 | Method for repairing surface of copper roller of amorphous nanocrystalline crystallizer |
| CN103464875A (en) * | 2013-09-07 | 2013-12-25 | 山东建筑大学 | Argon arc cladding material based on self-fused Ni-based alloy powder |
| CN103882365A (en) * | 2012-12-21 | 2014-06-25 | 上海宝钢工业技术服务有限公司 | Preparation method of surface compound coating for guide rail of large measuring machine |
| CN104357787A (en) * | 2014-10-30 | 2015-02-18 | 安徽鼎恒再制造产业技术研究院有限公司 | Screw remanufacturing process |
| CN104357786A (en) * | 2014-10-30 | 2015-02-18 | 安徽鼎恒再制造产业技术研究院有限公司 | Ni60N-CBN nano-coating and preparation method thereof |
| CN107034427A (en) * | 2017-04-12 | 2017-08-11 | 广州特种承压设备检测研究院 | Alloy coat of boiler heating surface high-temperature corrosion resistance and preparation method thereof |
| CN109321860A (en) * | 2018-10-24 | 2019-02-12 | 新冶高科技集团有限公司 | A kind of workpiece wear-resistant coating and its spraying method |
| CN109576628A (en) * | 2017-09-25 | 2019-04-05 | 上海宝钢工业技术服务有限公司 | The preparation method of continuous cast mold long side copper sheet composite coating |
| CN110172662A (en) * | 2019-05-24 | 2019-08-27 | 郑州轻工业学院 | A kind of compound coating ceramic powders-Ni-based coating preparation method |
| CN111074274A (en) * | 2019-12-23 | 2020-04-28 | 安徽工业大学 | Long-life gradient composite coating on surface of crystallizer copper plate and preparation method thereof |
| CN112030098A (en) * | 2020-09-03 | 2020-12-04 | 昆明理工大学 | High-temperature alloy coating of long-life spray gun for Isa smelting and preparation method thereof |
| CN113308662A (en) * | 2021-05-26 | 2021-08-27 | 泰尔(安徽)工业科技服务有限公司 | Spraying repair method for short-edge copper plate side surface of continuous casting crystallizer |
| CN113416911A (en) * | 2021-06-21 | 2021-09-21 | 广东电网有限责任公司 | Composite ceramic coating and preparation method and application thereof |
| CN113913726A (en) * | 2021-09-02 | 2022-01-11 | 西安交通大学 | Corrosion-resistant double-layer metal coating and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302619B (en) * | 2008-07-01 | 2010-06-16 | 西峡龙成特种材料有限公司 | Supersonic spray coating method of crystallizer copper plate |
-
2003
- 2003-01-17 CN CNB031144373A patent/CN1297683C/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351420C (en) * | 2005-11-17 | 2007-11-28 | 广州有色金属研究院 | Method for supersonic flame spraying crystallizer brass plate |
| CN101583446B (en) * | 2007-01-18 | 2012-11-21 | Sms西马格股份公司 | Die with coating |
| CN102189370A (en) * | 2010-03-04 | 2011-09-21 | 宝山钢铁股份有限公司 | Cold spray repairing method for crystallizer copper plate |
| CN102189370B (en) * | 2010-03-04 | 2012-12-12 | 宝山钢铁股份有限公司 | Cold spray repairing method for crystallizer copper plate |
| CN102794417A (en) * | 2011-05-24 | 2012-11-28 | 宝山钢铁股份有限公司 | Metal ceramic coating on surface of copper plate of continuous casting mold and manufacturing process for metal ceramic coating |
| CN102212777A (en) * | 2011-06-07 | 2011-10-12 | 长春工业大学 | Surface strengthening method of crystallizer of continuous casting and rolling machine |
| CN102212777B (en) * | 2011-06-07 | 2013-03-27 | 长春工业大学 | Surface strengthening method of crystallizer of continuous casting and rolling machine |
| CN102776464A (en) * | 2012-08-10 | 2012-11-14 | 昆山乔锐金属制品有限公司 | Manufacture method of iron-base part ceramic coating |
| CN103882365A (en) * | 2012-12-21 | 2014-06-25 | 上海宝钢工业技术服务有限公司 | Preparation method of surface compound coating for guide rail of large measuring machine |
| CN103302442A (en) * | 2013-06-18 | 2013-09-18 | 青岛云路新能源科技有限公司 | Method for repairing surface of copper roller of amorphous nanocrystalline crystallizer |
| CN103464875A (en) * | 2013-09-07 | 2013-12-25 | 山东建筑大学 | Argon arc cladding material based on self-fused Ni-based alloy powder |
| CN104357786A (en) * | 2014-10-30 | 2015-02-18 | 安徽鼎恒再制造产业技术研究院有限公司 | Ni60N-CBN nano-coating and preparation method thereof |
| CN104357787A (en) * | 2014-10-30 | 2015-02-18 | 安徽鼎恒再制造产业技术研究院有限公司 | Screw remanufacturing process |
| CN107034427A (en) * | 2017-04-12 | 2017-08-11 | 广州特种承压设备检测研究院 | Alloy coat of boiler heating surface high-temperature corrosion resistance and preparation method thereof |
| CN107034427B (en) * | 2017-04-12 | 2019-03-15 | 广州特种承压设备检测研究院 | The alloy coat and preparation method thereof of boiler heating surface high-temperature corrosion resistance |
| CN109576628B (en) * | 2017-09-25 | 2022-08-05 | 上海宝钢工业技术服务有限公司 | Preparation method of long-side copper plate composite coating of continuous casting crystallizer |
| CN109576628A (en) * | 2017-09-25 | 2019-04-05 | 上海宝钢工业技术服务有限公司 | The preparation method of continuous cast mold long side copper sheet composite coating |
| CN109321860A (en) * | 2018-10-24 | 2019-02-12 | 新冶高科技集团有限公司 | A kind of workpiece wear-resistant coating and its spraying method |
| CN110172662A (en) * | 2019-05-24 | 2019-08-27 | 郑州轻工业学院 | A kind of compound coating ceramic powders-Ni-based coating preparation method |
| CN111074274A (en) * | 2019-12-23 | 2020-04-28 | 安徽工业大学 | Long-life gradient composite coating on surface of crystallizer copper plate and preparation method thereof |
| CN112030098A (en) * | 2020-09-03 | 2020-12-04 | 昆明理工大学 | High-temperature alloy coating of long-life spray gun for Isa smelting and preparation method thereof |
| CN113308662A (en) * | 2021-05-26 | 2021-08-27 | 泰尔(安徽)工业科技服务有限公司 | Spraying repair method for short-edge copper plate side surface of continuous casting crystallizer |
| CN113416911A (en) * | 2021-06-21 | 2021-09-21 | 广东电网有限责任公司 | Composite ceramic coating and preparation method and application thereof |
| CN113416911B (en) * | 2021-06-21 | 2022-10-11 | 广东电网有限责任公司 | Composite ceramic coating and preparation method and application thereof |
| CN113913726A (en) * | 2021-09-02 | 2022-01-11 | 西安交通大学 | Corrosion-resistant double-layer metal coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1297683C (en) | 2007-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1297683C (en) | Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy | |
| CN1186475C (en) | Method for preparing nickel based self fluxing alloy coat on substrate of copper or copper alloy | |
| JP5450445B2 (en) | Zinc-based alloy-plated steel sheet with excellent sealer adhesion and corrosion resistance and method for producing the same | |
| CN102922052B (en) | AlTiN-AlCrN super hard nano multilayer composite coating hob and preparation method thereof | |
| CN1161489C (en) | Process for applying metallic adhesion layer for ceramic thermal barrier coatings to metallic components | |
| CN101492749B (en) | Surface coating for tuyeres of blast furnace and method for preparing the same | |
| CN109763125B (en) | High-entropy alloy coating resistant to high-temperature abrasion and preparation process and application thereof | |
| CN102080207B (en) | DLC (diamond-like carbon)/TiAlN (titanium aluminium nitride)/CrN (chromium nitride)/Cr (chromium) multilayer superhard film coating and preparation method thereof | |
| CA3066822A1 (en) | Iron based alloy suitable for providing a hard and corrosion resistant coating on a substrate, article having a hard and corrosion resistant coating, and method for its manufacture | |
| CN103361591B (en) | Travelling belt carrying roller gradient wear-resistant coating and preparation method thereof | |
| CN111455301B (en) | Wear-resistant corrosion-resistant high-entropy alloy gradient composite coating of outer cylinder of measurement-while-drilling instrument | |
| CN1970823A (en) | Thermal spray material, sprayed coating, thermal spray method and coated component | |
| CN101077644A (en) | Gradient compound material and preparation method | |
| CN101695713B (en) | Wc composite guide roller and manufacturing method thereof | |
| Hocking | Coatings resistant to erosive/corrosive and severe environments | |
| CN1931462A (en) | Composite SiC and its making process | |
| CN108251797B (en) | TiAlN/CrN multilayer coating for titanium alloy cutting tool and preparation method thereof | |
| CN108728793A (en) | A kind of tough anti-corrosion CrAlN/Cr2AlC multilayer coatings and preparation method thereof | |
| CN1793423A (en) | Process for compound treating heat spraying and depositing welding and products thereof | |
| CN101063204A (en) | Method for manufacturing galvanized steel sheet | |
| CN108048784A (en) | A kind of method that plasma thermal sprayed prepares nitride enhancing high-entropy alloy coating | |
| CN105463444B (en) | Preparation method applied to sinking roller and the wear-resistant composite coating of the resistance to corrode of stabilizing roller | |
| CN104060147B (en) | Corrosion-resistant finishes and its preparation method | |
| CN105568335A (en) | Technology of preparing FeNiCoCuCr high-entropy alloy coating on steel base material surface | |
| Strafford et al. | Surface engineering: an enabling technology for manufacturing industry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN COMMUNICATION UNIV.; SHANGHAI JUNSHAN SURFA Free format text: FORMER OWNER: XI'AN COMMUNICATION UNIV. Effective date: 20081010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081010 Address after: No. 28, Xianning Road, Shaanxi, Xi'an Province, China: 710049 Co-patentee after: Shanghai Junshan Surface Technology Engineering Co., Ltd. Patentee after: Xi'an Jiao Tong University Address before: No. 28, Xianning Road, Shaanxi, Xi'an Province, China: 710049 Patentee before: Xi'an Jiaotong University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20160117 |