EP0587543A2 - Verfahren zur Verbesserung des Korrosionswiderstandes von Radiatoren aus Kupfer und Kupferlegierungen sowie auf diese Weise zu erhaltende Radiatoren - Google Patents
Verfahren zur Verbesserung des Korrosionswiderstandes von Radiatoren aus Kupfer und Kupferlegierungen sowie auf diese Weise zu erhaltende Radiatoren Download PDFInfo
- Publication number
- EP0587543A2 EP0587543A2 EP93830364A EP93830364A EP0587543A2 EP 0587543 A2 EP0587543 A2 EP 0587543A2 EP 93830364 A EP93830364 A EP 93830364A EP 93830364 A EP93830364 A EP 93830364A EP 0587543 A2 EP0587543 A2 EP 0587543A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- copper
- improving
- corrosion resistance
- copper alloy
- filmogenous
- 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
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000007797 corrosion Effects 0.000 title claims abstract description 34
- 238000005260 corrosion Methods 0.000 title claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 33
- 239000010949 copper Substances 0.000 title claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 32
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 24
- 239000003973 paint Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 6
- 238000010411 cooking Methods 0.000 claims abstract description 6
- 239000002952 polymeric resin Substances 0.000 claims abstract description 6
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 6
- 238000005219 brazing Methods 0.000 claims abstract description 4
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims abstract description 3
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 7
- -1 heterocyclic alcohols Chemical class 0.000 claims description 7
- 230000009257 reactivity Effects 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001033 granulometry Methods 0.000 claims description 3
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- 239000001263 FEMA 3042 Substances 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 150000001720 carbohydrates Chemical class 0.000 claims description 2
- 235000014633 carbohydrates Nutrition 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 125000000623 heterocyclic group Chemical group 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 125000000007 metacrylic acid group Chemical group 0.000 claims description 2
- 150000002735 metacrylic acids Chemical class 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000003352 sequestering agent Substances 0.000 claims description 2
- 150000005846 sugar alcohols Polymers 0.000 claims description 2
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 2
- 229920002258 tannic acid Polymers 0.000 claims description 2
- 229940033123 tannic acid Drugs 0.000 claims description 2
- 235000015523 tannic acid Nutrition 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000007592 spray painting technique Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910001174 tin-lead alloy Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/33—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 hexavalent chromium compounds containing also phosphates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/10—Phosphatation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Treatment Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRM920655A IT1263235B (it) | 1992-09-08 | 1992-09-08 | Procedimento per migliorare la resistenza alla corrosione dei radiatori in rame e leghe di rame, e radiatori cosi' ottenibili |
| ITRM920655 | 1992-09-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0587543A2 true EP0587543A2 (de) | 1994-03-16 |
| EP0587543A3 EP0587543A3 (de) | 1995-07-26 |
| EP0587543B1 EP0587543B1 (de) | 1997-01-08 |
Family
ID=11401180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93830364A Expired - Lifetime EP0587543B1 (de) | 1992-09-08 | 1993-09-08 | Verfahren zur Verbesserung des Korrosionswiderstandes von Radiatoren aus Kupfer und Kupferlegierungen sowie auf diese Weise zu erhaltende Radiatoren |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0587543B1 (de) |
| JP (1) | JPH08152293A (de) |
| BR (1) | BR9303711A (de) |
| DE (1) | DE69307232T2 (de) |
| ES (1) | ES2098717T3 (de) |
| IT (1) | IT1263235B (de) |
| MX (1) | MX9305490A (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5919519A (en) * | 1994-05-17 | 1999-07-06 | Imi Yorkshire Fittings Limited | Potable water supply components |
| WO2003099457A1 (en) * | 2002-05-20 | 2003-12-04 | Engelhard Corporation | Method for coating vehicular radiators with ozone depleting slurry catalyst |
| CN111118488A (zh) * | 2020-01-07 | 2020-05-08 | 佛山市顺德区澳宁化工有限公司 | 一种铜材防腐钝化方法及其用于该方法的钝化液制备方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006035695A1 (ja) * | 2004-09-28 | 2006-04-06 | Hayakawa Valve Production Co., Ltd. | 六価クロムフリー表面処理方法及び六価クロムフリー鉛含有銅系金属材 |
| WO2007100135A1 (ja) | 2006-03-03 | 2007-09-07 | Dipsol Chemicals Co., Ltd. | 亜鉛又は亜鉛合金上に黒色の３価クロム化成皮膜を形成するための処理水溶液及び黒色３価クロム化成皮膜の形成方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0139845A2 (de) * | 1983-10-17 | 1985-05-08 | Amchem Products, Inc. | Anstrichzusammensetzung |
| EP0207484A2 (de) * | 1985-07-01 | 1987-01-07 | Olin Corporation | Verfahren zum Erhöhen der Fleckbeständigkeit von Kupfer |
| US5039360A (en) * | 1986-10-21 | 1991-08-13 | Procoat S.A. | Method for coating hot metal surfaces |
-
1992
- 1992-09-08 IT ITRM920655A patent/IT1263235B/it active IP Right Grant
-
1993
- 1993-09-06 BR BR9303711A patent/BR9303711A/pt not_active Application Discontinuation
- 1993-09-08 JP JP5223262A patent/JPH08152293A/ja active Pending
- 1993-09-08 EP EP93830364A patent/EP0587543B1/de not_active Expired - Lifetime
- 1993-09-08 DE DE69307232T patent/DE69307232T2/de not_active Expired - Fee Related
- 1993-09-08 ES ES93830364T patent/ES2098717T3/es not_active Expired - Lifetime
- 1993-09-08 MX MX9305490A patent/MX9305490A/es not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0139845A2 (de) * | 1983-10-17 | 1985-05-08 | Amchem Products, Inc. | Anstrichzusammensetzung |
| EP0207484A2 (de) * | 1985-07-01 | 1987-01-07 | Olin Corporation | Verfahren zum Erhöhen der Fleckbeständigkeit von Kupfer |
| US5039360A (en) * | 1986-10-21 | 1991-08-13 | Procoat S.A. | Method for coating hot metal surfaces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5919519A (en) * | 1994-05-17 | 1999-07-06 | Imi Yorkshire Fittings Limited | Potable water supply components |
| WO2003099457A1 (en) * | 2002-05-20 | 2003-12-04 | Engelhard Corporation | Method for coating vehicular radiators with ozone depleting slurry catalyst |
| CN111118488A (zh) * | 2020-01-07 | 2020-05-08 | 佛山市顺德区澳宁化工有限公司 | 一种铜材防腐钝化方法及其用于该方法的钝化液制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2098717T3 (es) | 1997-05-01 |
| IT1263235B (it) | 1996-08-05 |
| MX9305490A (es) | 1994-05-31 |
| ITRM920655A0 (it) | 1992-09-08 |
| DE69307232D1 (de) | 1997-02-20 |
| ITRM920655A1 (it) | 1994-03-08 |
| JPH08152293A (ja) | 1996-06-11 |
| EP0587543A3 (de) | 1995-07-26 |
| EP0587543B1 (de) | 1997-01-08 |
| DE69307232T2 (de) | 1997-07-03 |
| BR9303711A (pt) | 1994-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4114505A (en) | Coatings and methods of application | |
| JP7064844B2 (ja) | 基材への耐食性システムの配置方法、腐食抑制システム、および化成皮膜溶液 | |
| US4801337A (en) | Process and composition for conversion coating metal surfaces | |
| CN108914106B (zh) | 一种镀锌板表面钝化自填充处理液及其应用 | |
| EP1692325A1 (de) | Zweistufige konversionsbehandlung | |
| DE3829154A1 (de) | Chromfreies verfahren zur vorbehandlung von metallischen oberflaechen vor einer beschichtung mit organischen materialien | |
| EP1678344B1 (de) | Im wesentlichen chrom-freies verfahren zum passivieren von metallischen oberflächen aus zn, zn-legierungen, al oder al-legierungen | |
| EP0587543B1 (de) | Verfahren zur Verbesserung des Korrosionswiderstandes von Radiatoren aus Kupfer und Kupferlegierungen sowie auf diese Weise zu erhaltende Radiatoren | |
| EP0797691A1 (de) | Verfahren zur erhöhung der korrosionsbeständigkeit von metalleund legierung durch behandelnmit seltenen erde-elementen | |
| US4511633A (en) | Galvanized steel sheet protected by chromium and chromium oxide layers | |
| JPH01283386A (ja) | 金属表面処理組成物および保護皮膜形成方法 | |
| WO2001006035A1 (de) | Verfahren zur korrosionsschützenden behandlung oder nachbehandlung von metalloberflächen | |
| DE1228118B (de) | Verfahren zur kathodischen Oberflaechen-behandlung von Eisen- und Stahlgegenstaenden | |
| GB2152955A (en) | Phosphate treatment of zinc-aluminium plated materials | |
| US1961030A (en) | Process for protecting magnesium and its alloys against corrosion | |
| JP5300113B2 (ja) | 金属表面処理剤、金属表面処理剤を用いた金属表面処理方法及び表面処理を行った鉄部品 | |
| KR20200054974A (ko) | 산세 및 전환 처리를 포함하는, 알루미늄, 특히 알루미늄 캐스팅 합금의 2-단계 전처리 | |
| LYNES | Corrosion off Copper and Brass in Ammonia Containing Chromate | |
| JPH0588314B2 (de) | ||
| DE1521044C3 (de) | Verfahren zur Verbesserung der Korrosionsbeständigkeit kathodisch chromatierter Metalloberflächen aus Eisen oder Stahl | |
| AU2012201976B2 (en) | Treatment of metals | |
| US3540943A (en) | Method of making galvannealed ferrous metal of improved solderability | |
| DE739229C (de) | Verfahren zur Gewinnung eines korrosionshemmenden Gefrierschutzmittels | |
| KR850001441B1 (ko) | 강, 아연, 알루미늄 또는 이들이 기재로 된 합금의 금속표면을 피복하기 위한 전처리용 조성물 | |
| DE2610603A1 (de) | Beizaktivierungsloesung und beschichtungsverfahren fuer bimetall-werkstoffe |
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 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB SE |
|
| 17P | Request for examination filed |
Effective date: 19940628 |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE ES FR GB SE |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| 17Q | First examination report despatched |
Effective date: 19960520 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VALEO SISTEMI TERMICI S.P.A. |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB SE |
|
| REF | Corresponds to: |
Ref document number: 69307232 Country of ref document: DE Date of ref document: 19970220 |
|
| ET | Fr: translation filed | ||
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2098717 Country of ref document: ES Kind code of ref document: T3 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed | ||
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19980901 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 19980916 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19980917 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19980922 Year of fee payment: 6 Ref country code: FR Payment date: 19980922 Year of fee payment: 6 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990908 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990909 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19990929 |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19990908 |
|
| EUG | Se: european patent has lapsed |
Ref document number: 93830364.1 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000531 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000701 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20001013 |