CN1080325C - 用于磷化金属表面的水溶液和方法 - Google Patents
用于磷化金属表面的水溶液和方法 Download PDFInfo
- Publication number
- CN1080325C CN1080325C CN97198243A CN97198243A CN1080325C CN 1080325 C CN1080325 C CN 1080325C CN 97198243 A CN97198243 A CN 97198243A CN 97198243 A CN97198243 A CN 97198243A CN 1080325 C CN1080325 C CN 1080325C
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- CN
- China
- Prior art keywords
- solution
- coating
- nitroguanidine
- phosphatization
- aqueous solution
- 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.)
- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
- C23C22/186—Orthophosphates containing manganese cations containing also copper cations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
- C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
- C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
- C23C22/184—Orthophosphates containing manganese cations containing also zinc cations containing also nickel cations
Abstract
Description
实施例1 | 实施例2 | |
Zn2+ | 1.4g/l | 1.4g/l |
Mn2+ | 1.0g/l | 1.0g/l |
Ni2+ | 1.0g/l | - |
Cu2+ | - | 8mg/l |
NO3 - | 3.0g/l | 3.0g/l |
PO4 3-(总) | 18.0g/l | 18.0g/l |
=P2O5(总) | 13.5g/l | 13.5g/l |
硝基胍 | 0.5g/l | 0.5g/l |
Na+ | 对于调整滴定数据所需的量 | |
酸值 | 0.09 | 0.09 |
涂层量 | 2.4g/m2 | 2.6g/m2 |
晶体棱边长度 | 2.8μm | 2.8μm |
最小磷化时间 | <60秒 | <60秒 |
比较试验A | 比较试验B | 比较试验C | |
Zn2+ | 1.4g/l | 1.4g/l | 3.5g/l |
Ni2+ | 1.0g/l | 1.0g/l | - |
Mn2++ | 1.0g/l | 1.0g/l | - |
P2O5(总) | 12.0g/l | 12.0g/l | 5.5g/l |
酸值 | 0.07 | 0.09 | 0.35g/l |
NO3 - | 3.0g/l | 3.0g/l | 3.0g/l |
H2O2 | 30mg/l | - | - |
NO2 - | - | 170mg/l | - |
硝基胍 | - | - | 2.0g/l |
Na+ | 对于调整滴定数据所需的量 | ||
涂层量 | 1.3g/m2 | 2.2g/m2 | 4.9g/m2 |
晶体棱边长度 | 40μm | 10μm | 20-25μm |
最小磷化时间 | 120秒 | 60秒 | 60秒 |
实施例3 | 实施例4 | |
Zn2+ | 1.4g/l | 1.9g/l |
Ni2+ | 1.0g/l | 1.0g/l |
Mn2+ | 1.0g/l | 1.0g/l |
P2O5(总) | 12.0g/l | 12.0g/l |
酸值 | 0.09 | 0.09 |
NO3 - | 3.0g/l | 3.0g/l |
硝基胍 | 0.5g/l | 0.9g/l |
Na+ | 对于调整滴定数据所需的量 | |
完整的、紧密的磷酸盐涂层 | 有 | 有 |
形成闪锈 | 无 | 无 |
比较试验D | 比较试验E | |
Zn2+ | 1.4g/l | 1.9g/l |
Ni2+ | 1.0g/l | 1.0g/l |
Mn2+ | 1.0g/l | 1.0g/l |
P2O5(总) | 12.0g/l | 12.0g/l |
酸值 | 0.09 | 0.09 |
NO3 - | 3.0g/l | 3.0g/l |
羟基胺 | 1.0g/l | 1.0g/l |
Na+ | 对于调整滴定数据所需的量 | |
完整的、紧密的磷酸盐涂层 | 无 | 无 |
形成闪锈 | 有 | 有 |
基材 | 实施例 | 比较试验 | |||
5 | 6 | 7 | F | G | |
户外老化6个月,mm表面下腐蚀,从擦痕面单面测量 | |||||
钢 | <1 | <1 | 1.5 | <1 | 2.5 |
镀锌钢 | 1 | 1 | 1 | 1.5 | 2.5 |
热法镀锌钢 | 0 | <1 | 1 | 0 | <1 |
有Fe-Zn涂层的钢 | <1 | <1 | <1 | <1 | <1 |
AlMgSi,未抛光 | 3 | 0 | 0 | <1-3 | - |
AlMgSi,抛光 | 5 | <1 | 0 | 4 | - |
盐雾试验,1008h,根据DIN50021SS,mm表面下腐蚀 | |||||
钢 | <1 | <1 | 1.5 | <1 | 1 |
根据VDA 621-415交替气候试验12个循环,用mm表示表面下腐蚀,从擦痕面单面测量,随后根据VW AG的规格进行飞石试验,清漆片状剥落%表示在()内 | |||||
钢 | <1(0.5) | <1(0.5) | 1.5(0.5) | <1(1) | 2(2) |
镀锌钢 | 6.5(1.5) | 7(8.5) | 7(5) | 5.5(2) | 8(40) |
热法镀锌钢 | 1.5(0.5) | 2(7) | 2(2) | 1(0.5) | 2.5(15) |
有Fe-Zn涂层的钢 | 1(0.5) | 1(0.5) | 1(0.5) | 1(0.5) | 1(0.5) |
基材 | 实施例 | 比较试验 | ||
8 | 9 | 10 | H | |
户外老化6个月,mm表面下腐蚀,从擦痕面单面测量 | ||||
钢 | <1 | 1 | <1 | <1 |
镀锌钢 | <1 | 1.5 | 1.5 | 1.5 |
热法镀锌钢 | 0 | 0 | 0 | 0 |
有Fe-Zn涂层的钢 | 0 | <1 | <1 | <1 |
AlMgSi,未抛光 | 0 | 0 | 0 | 2 |
AlMgSi,抛光 | 0 | 0 | 2.5 | 5 |
盐雾试验,1008h,根据DIN50021SS,mm表面下腐蚀 | ||||
钢 | <1 | <1 | <1 | <1 |
240小时后划格法附着力试验,根据DIN 50017kk和DIMSO 2409,等级 | ||||
钢 | 1 | 2 | 1 | 1 |
镀锌钢 | 1 | 2 | 1-2 | 1 |
热法镀锌钢 | 1 | 2 | 2 | 1 |
有Fe-Zn涂层的钢 | 1 | 1 | 1 | 1 |
AlMgSi,未抛光 | 1 | 0 | 3 | 1 |
AlMgSi,抛光 | 1 | 0-1 | 3 | 1 |
根据VDA 621-415交替气候试验12个循环,用mm表示表面下腐蚀,从擦痕面单面测量,随后根据VW AG的规格进行飞石试验,清漆片状剥落%表示在()内 | ||||
钢 | <1(2) | 1(5) | <1(2) | <1(2) |
镀锌钢 | 5(5.5) | 5.5(9) | 6(14) | 5.5(4) |
热法镀锌钢 | 1.5(1) | 2.5(2) | 2.5(1.5) | 1.5(1) |
有Fe-Zn涂层的钢 | 1(1) | 1(2) | 1(1) | 1(1) |
物质/值 | 实施例 | 比较试验 | |||
5 | 6 | 7 | F | G | |
Zn2+ | 1.4g/l | 1.4g/l | 1.4g/l | 1.4g/l | 3.5g/l |
Mn2+ | 1.0g/l | 1.0g/l | 1.0g/l | 1.0g/l | - |
Ni2+ | 1.0g/l | - | - | 1.0g/l | - |
Cu2+ | - | 8mg/l | - | - | - |
NO3 - | 3.0g/l | 3.0g/l | 3.0g/l | 3.0g/l | 3.0g/l |
P2O5(总) | 13.5g/l | 13.5g/l | 13.5g/l | 12.0g/l | 5.5g/l |
硝基胍 | 0.5g/l | 0.5g/l | 0.5g/l | - | 2g/l |
NO2 - | - | - | 170mg/l | - | |
酸值 | 0.09 | 0.09 | 0.09 | 0.09 | 0.35 |
物质/值 | 实施例 | 比较试验 | ||
8 | 9 | 10 | H | |
Zn2+ | 0.9g/l | 0.9g/l | 0.9g/l | 0.9g/l |
Mn2+ | 1.0g/l | 1.0g/l | 1.0g/l | 1.0g/l |
Ni2+ | 1.0g/l | - | - | 1.0g/l |
Cu2+ | - | 5mg/l | - | - |
NO3 - | 3.0g/l | 3.0g/l | 3.0g/l | 3.0g/l |
P2O5(总) | 11g/l | 11g/l | 11g/l | 11g/l |
硝基胍 | 0.5g/l | 0.5g/l | 0.5g/l | - |
NO2 - | - | - | - | 150mg/l |
酸值 | 0.07 | 0.07 | 0.07 | 0.07 |
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19634685.1 | 1996-08-28 | ||
DE19634685A DE19634685A1 (de) | 1996-08-28 | 1996-08-28 | Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1231705A CN1231705A (zh) | 1999-10-13 |
CN1080325C true CN1080325C (zh) | 2002-03-06 |
Family
ID=7803869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97198243A Expired - Lifetime CN1080325C (zh) | 1996-08-28 | 1997-08-11 | 用于磷化金属表面的水溶液和方法 |
Country Status (25)
Country | Link |
---|---|
US (1) | US6261384B1 (zh) |
EP (1) | EP0922123B1 (zh) |
JP (1) | JP3940174B2 (zh) |
KR (1) | KR100473779B1 (zh) |
CN (1) | CN1080325C (zh) |
AR (1) | AR009336A1 (zh) |
AT (1) | ATE195005T1 (zh) |
AU (1) | AU720551B2 (zh) |
BR (1) | BR9713177A (zh) |
CA (1) | CA2264568C (zh) |
CZ (1) | CZ294673B6 (zh) |
DE (2) | DE19634685A1 (zh) |
DK (1) | DK0922123T3 (zh) |
ES (1) | ES2150791T3 (zh) |
GR (1) | GR3034297T3 (zh) |
HU (1) | HU228330B1 (zh) |
IN (1) | IN192301B (zh) |
PL (1) | PL192285B1 (zh) |
PT (1) | PT922123E (zh) |
SI (1) | SI0922123T1 (zh) |
SK (1) | SK283857B6 (zh) |
TR (1) | TR199900426T2 (zh) |
TW (1) | TW363089B (zh) |
WO (1) | WO1998008999A1 (zh) |
ZA (1) | ZA977706B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19808440C2 (de) | 1998-02-27 | 2000-08-24 | Metallgesellschaft Ag | Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen sowie eine Verwendung der Lösung und des Verfahrens |
DE19834796A1 (de) | 1998-08-01 | 2000-02-03 | Henkel Kgaa | Verfahren zur Phosphatierung, Nachspülung und kathodischer Elektrotauchlackierung |
DE19857799A1 (de) | 1998-12-15 | 2000-06-21 | Henkel Kgaa | Verfahren zum Steuern einer Behandlungslinie |
DE19911843C2 (de) * | 1999-03-17 | 2001-05-10 | Metallgesellschaft Ag | Verfahren für den Korrosionsschutz von Aluminium und Aluminiumlegierungen sowie Verwendung des Verfahrens |
CN100374620C (zh) | 2002-07-10 | 2008-03-12 | 坎梅陶尔股份有限公司 | 金属表面的涂层方法 |
US20040118483A1 (en) * | 2002-12-24 | 2004-06-24 | Michael Deemer | Process and solution for providing a thin corrosion inhibiting coating on a metallic surface |
US20040188323A1 (en) * | 2003-03-24 | 2004-09-30 | Tzatzov Konstantin K. | Active coating system for reducing or eliminating coke build-up during petrochemical processes |
DE10320313B4 (de) * | 2003-05-06 | 2005-08-11 | Chemetall Gmbh | Verfahren zum Beschichten von metallischen Körpern mit einer Phosphatierungslösung, Phosphatierungslösung und die Verwendung des beschichteten Gegenstandes |
DE10323305B4 (de) * | 2003-05-23 | 2006-03-30 | Chemetall Gmbh | Verfahren zur Beschichtung von metallischen Oberflächen mit einer Wasserstoffperoxid enthaltenden Phosphatierungslösung, Phosphatierlösung und Verwendung der behandelten Gegenstände |
CN1314836C (zh) * | 2004-08-02 | 2007-05-09 | 吉林大学 | 镁合金磷化溶液及其磷化工艺 |
CN101693993B (zh) * | 2009-09-27 | 2011-03-30 | 上海大学 | 碳钢表面磷化处理液及镀镍封闭方法 |
CN107338428B (zh) * | 2017-06-02 | 2019-01-11 | 余卫民 | 钴、锌、铁三元体系磷酸盐金属表面处理剂、制备方法及复合沉积物 |
RU2690876C1 (ru) * | 2018-06-14 | 2019-06-06 | Закрытое Акционерное общество "ФК" (ЗАО " ФК") | Способ получения фосфатного покрытия |
CN109518176B (zh) * | 2018-12-14 | 2021-09-24 | 上海大学 | 碱性磷化液、制备方法及磷化处理工艺 |
CN110699681B (zh) * | 2019-10-24 | 2021-12-14 | 河南北方红阳机电有限公司 | 一种高强度钢和硬铝合金组合体喷淋磷化工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750957C (de) * | 1938-02-04 | 1945-02-03 | Verfahren zur Herstellung von Phosphatueberzuegen auf Metallen | |
US2375468A (en) * | 1938-02-04 | 1945-05-08 | Parker Rust Proof Co | Phosphate coating of metals |
EP0045110A1 (de) * | 1980-07-25 | 1982-02-03 | Metallgesellschaft Ag | Verfahren zur Herstellung von Phosphatüberzügen auf Eisen- und Stahloberflächen sowie dessen Anwendung |
DE3800835A1 (de) * | 1988-01-14 | 1989-07-27 | Henkel Kgaa | Verfahren zur phosphatierung von metalloberflaechen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE821907C (de) * | 1943-06-07 | 1951-11-22 | Pyrene Co Ltd | Mittel fuer die Herstellung von Phosphatueberzuegen auf Metallen |
DE977633C (de) * | 1950-07-06 | 1967-11-02 | Galvapol Ges Fuer Galvanotechn | Verfahren zur Herstellung von Phosphatueberzuegen auf eisenhaltigen Metallgegenstaenden |
US3855147A (en) * | 1972-05-26 | 1974-12-17 | Nl Industries Inc | Synthetic smectite compositions, their preparation, and their use as thickeners in aqueous systems |
US5268041A (en) * | 1990-04-27 | 1993-12-07 | Metallgesellschaft Ag | Process for phosphating metal surfaces |
-
1996
- 1996-08-28 DE DE19634685A patent/DE19634685A1/de not_active Withdrawn
-
1997
- 1997-08-11 TR TR1999/00426T patent/TR199900426T2/xx unknown
- 1997-08-11 AT AT97943803T patent/ATE195005T1/de active
- 1997-08-11 US US09/254,166 patent/US6261384B1/en not_active Expired - Lifetime
- 1997-08-11 KR KR10-1999-7001494A patent/KR100473779B1/ko not_active IP Right Cessation
- 1997-08-11 DK DK97943803T patent/DK0922123T3/da active
- 1997-08-11 CA CA002264568A patent/CA2264568C/en not_active Expired - Lifetime
- 1997-08-11 SI SI9730079T patent/SI0922123T1/xx unknown
- 1997-08-11 HU HU9903091A patent/HU228330B1/hu unknown
- 1997-08-11 SK SK232-99A patent/SK283857B6/sk not_active IP Right Cessation
- 1997-08-11 CN CN97198243A patent/CN1080325C/zh not_active Expired - Lifetime
- 1997-08-11 BR BR9713177-6A patent/BR9713177A/pt not_active IP Right Cessation
- 1997-08-11 ES ES97943803T patent/ES2150791T3/es not_active Expired - Lifetime
- 1997-08-11 EP EP97943803A patent/EP0922123B1/de not_active Expired - Lifetime
- 1997-08-11 JP JP51122398A patent/JP3940174B2/ja not_active Expired - Lifetime
- 1997-08-11 PT PT97943803T patent/PT922123E/pt unknown
- 1997-08-11 AU AU45516/97A patent/AU720551B2/en not_active Expired
- 1997-08-11 CZ CZ1999680A patent/CZ294673B6/cs not_active IP Right Cessation
- 1997-08-11 WO PCT/EP1997/004360 patent/WO1998008999A1/de active IP Right Grant
- 1997-08-11 PL PL331883A patent/PL192285B1/pl unknown
- 1997-08-11 DE DE59702088T patent/DE59702088D1/de not_active Expired - Lifetime
- 1997-08-20 IN IN1531CA1997 patent/IN192301B/en unknown
- 1997-08-26 AR ARP970103872A patent/AR009336A1/es unknown
- 1997-08-27 ZA ZA977706A patent/ZA977706B/xx unknown
- 1997-08-28 TW TW086112378A patent/TW363089B/zh not_active IP Right Cessation
-
2000
- 2000-08-31 GR GR20000401984T patent/GR3034297T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750957C (de) * | 1938-02-04 | 1945-02-03 | Verfahren zur Herstellung von Phosphatueberzuegen auf Metallen | |
US2375468A (en) * | 1938-02-04 | 1945-05-08 | Parker Rust Proof Co | Phosphate coating of metals |
EP0045110A1 (de) * | 1980-07-25 | 1982-02-03 | Metallgesellschaft Ag | Verfahren zur Herstellung von Phosphatüberzügen auf Eisen- und Stahloberflächen sowie dessen Anwendung |
DE3800835A1 (de) * | 1988-01-14 | 1989-07-27 | Henkel Kgaa | Verfahren zur phosphatierung von metalloberflaechen |
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