CA1105872A - Method of sealing oxidized aluminum surfaces with aqueous solutions of polycarboxylic acid - Google Patents
Method of sealing oxidized aluminum surfaces with aqueous solutions of polycarboxylic acidInfo
- Publication number
- CA1105872A CA1105872A CA290,255A CA290255A CA1105872A CA 1105872 A CA1105872 A CA 1105872A CA 290255 A CA290255 A CA 290255A CA 1105872 A CA1105872 A CA 1105872A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- water
- sealing
- carboxyl groups
- additive
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000002253 acid Substances 0.000 title claims abstract description 41
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 15
- 239000000243 solution Substances 0.000 claims abstract description 26
- 150000003839 salts Chemical class 0.000 claims abstract description 22
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 13
- 125000003118 aryl group Chemical group 0.000 claims abstract description 10
- 238000009835 boiling Methods 0.000 claims abstract description 6
- 150000007513 acids Chemical class 0.000 claims description 22
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical group OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 claims description 18
- WLWKIJKUDWYINL-UHFFFAOYSA-N cyclohexane-1,1,2,2,3,3-hexacarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCC(C(O)=O)(C(O)=O)C1(C(O)=O)C(O)=O WLWKIJKUDWYINL-UHFFFAOYSA-N 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 15
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- 125000005842 heteroatom Chemical group 0.000 claims description 9
- 230000017105 transposition Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- GCAIEATUVJFSMC-UHFFFAOYSA-N benzene-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1C(O)=O GCAIEATUVJFSMC-UHFFFAOYSA-N 0.000 claims description 4
- RZIPTXDCNDIINL-UHFFFAOYSA-N cyclohexane-1,1,2,2-tetracarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCCC1(C(O)=O)C(O)=O RZIPTXDCNDIINL-UHFFFAOYSA-N 0.000 claims description 4
- DTLWQZBOAYMHTO-UHFFFAOYSA-N cyclohexane-1,1,2,2,3-pentacarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)(C(O)=O)C1(C(O)=O)C(O)=O DTLWQZBOAYMHTO-UHFFFAOYSA-N 0.000 claims description 3
- 229940078494 nickel acetate Drugs 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229940011182 cobalt acetate Drugs 0.000 claims description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 30
- 238000000576 coating method Methods 0.000 description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000001117 sulphuric acid Substances 0.000 description 8
- 235000011149 sulphuric acid Nutrition 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000010407 anodic oxide Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 208000020442 loss of weight Diseases 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000002048 anodisation reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- IQVLXQGNLCPZCL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 2,6-bis[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate Chemical compound CC(C)(C)OC(=O)NCCCCC(NC(=O)OC(C)(C)C)C(=O)ON1C(=O)CCC1=O IQVLXQGNLCPZCL-UHFFFAOYSA-N 0.000 description 1
- MNUHUVIZSPCLFF-UHFFFAOYSA-N 1-methylhept-6-ene-1,2,4,5-tetracarboxylic acid Chemical compound OC(=O)C(C)C(C(O)=O)CC(C(O)=O)C(C=C)C(O)=O MNUHUVIZSPCLFF-UHFFFAOYSA-N 0.000 description 1
- SDGNNLQZAPXALR-UHFFFAOYSA-N 3-sulfophthalic acid Chemical compound OC(=O)C1=CC=CC(S(O)(=O)=O)=C1C(O)=O SDGNNLQZAPXALR-UHFFFAOYSA-N 0.000 description 1
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 1
- NQKYPVGBCQIANS-UHFFFAOYSA-N C=1(C(=C(C(=CC1)C(=O)O)C(=O)O)C(=O)O)C(=O)O.C1(=C(C(=C(C(=C1)C(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O Chemical compound C=1(C(=C(C(=CC1)C(=O)O)C(=O)O)C(=O)O)C(=O)O.C1(=C(C(=C(C(=C1)C(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O NQKYPVGBCQIANS-UHFFFAOYSA-N 0.000 description 1
- 101100063435 Caenorhabditis elegans din-1 gene Proteins 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- OPFTUNCRGUEPRZ-QLFBSQMISA-N Cyclohexane Natural products CC(=C)[C@@H]1CC[C@@](C)(C=C)[C@H](C(C)=C)C1 OPFTUNCRGUEPRZ-QLFBSQMISA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- -1 aromatic poly-carboxylic acid Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- QNSOHXTZPUMONC-UHFFFAOYSA-N benzene pentacarboxylic acid Natural products OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O QNSOHXTZPUMONC-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- STZIXLPVKZUAMV-UHFFFAOYSA-N cyclopentane-1,1,2,2-tetracarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCC1(C(O)=O)C(O)=O STZIXLPVKZUAMV-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- MJGFBOZCAJSGQW-UHFFFAOYSA-N mercury sodium Chemical compound [Na].[Hg] MJGFBOZCAJSGQW-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- MZYHMUONCNKCHE-UHFFFAOYSA-N naphthalene-1,2,3,4-tetracarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=C(C(O)=O)C(C(O)=O)=C21 MZYHMUONCNKCHE-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- UFOIOXZLTXNHQH-UHFFFAOYSA-N oxolane-2,3,4,5-tetracarboxylic acid Chemical compound OC(=O)C1OC(C(O)=O)C(C(O)=O)C1C(O)=O UFOIOXZLTXNHQH-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910001023 sodium amalgam Inorganic materials 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Sealing Material Composition (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2650989.7 | 1976-11-08 | ||
| DE2650989A DE2650989C2 (de) | 1976-11-08 | 1976-11-08 | Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1105872A true CA1105872A (en) | 1981-07-28 |
Family
ID=5992670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA290,255A Expired CA1105872A (en) | 1976-11-08 | 1977-11-04 | Method of sealing oxidized aluminum surfaces with aqueous solutions of polycarboxylic acid |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4121980A (show.php) |
| JP (1) | JPS6041155B2 (show.php) |
| AT (1) | AT350870B (show.php) |
| BE (1) | BE860529A (show.php) |
| BR (1) | BR7707444A (show.php) |
| CA (1) | CA1105872A (show.php) |
| CH (1) | CH636131A5 (show.php) |
| DE (1) | DE2650989C2 (show.php) |
| DK (1) | DK148753C (show.php) |
| ES (1) | ES463951A1 (show.php) |
| FR (1) | FR2370110A1 (show.php) |
| GB (1) | GB1574161A (show.php) |
| IT (1) | IT1088144B (show.php) |
| NL (1) | NL7711105A (show.php) |
| NO (1) | NO146245C (show.php) |
| SE (1) | SE427122B (show.php) |
| ZA (1) | ZA776620B (show.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH654853A5 (de) * | 1982-08-07 | 1986-03-14 | Sandoz Ag | Verfahren zum verdichten von anodisch oxydierten aluminiumoberflaechen. |
| GB8309571D0 (en) * | 1983-04-08 | 1983-05-11 | Albright & Wilson | Accelerated sealing of anodised aluminium |
| DE3820650A1 (de) * | 1988-06-18 | 1989-12-21 | Henkel Kgaa | Verfahren zum verdichten von anodisierten oxidschichten auf aluminium und aluminiumlegierungen |
| US5367196A (en) * | 1992-09-17 | 1994-11-22 | Olin Corporation | Molded plastic semiconductor package including an aluminum alloy heat spreader |
| US5608267A (en) * | 1992-09-17 | 1997-03-04 | Olin Corporation | Molded plastic semiconductor package including heat spreader |
| DE19524828A1 (de) * | 1995-07-07 | 1997-01-09 | Henkel Kgaa | Verfahren zum schwermetallfreien Verdichten anodisierter Metalle mit Lithium- und Fluorid-haltigen Lösungen |
| AU7287896A (en) * | 1995-10-18 | 1997-05-07 | Henkel Kommanditgesellschaft Auf Aktien | Short duration hot seal for anodised metal surfaces |
| DE19621818A1 (de) * | 1996-05-31 | 1997-12-04 | Henkel Kgaa | Kurzzeit-Heißverdichtung anodisierter Metalloberflächen mit tensidhaltigen Lösungen |
| JPH102452A (ja) * | 1996-06-14 | 1998-01-06 | Smc Corp | 高真空バルブ |
| US6664019B2 (en) | 1996-06-19 | 2003-12-16 | Printing Developments Inc. | Aluminum printing plates and method of making |
| AU749026B2 (en) * | 1997-08-22 | 2002-06-13 | Henkel Corporation | Faster two-step sealing of anodized aluminum surfaces |
| US6506263B1 (en) | 1999-11-18 | 2003-01-14 | Houghton Metal Finishing Company | Sealant composition |
| DE10161478A1 (de) * | 2001-12-14 | 2003-06-26 | Henkel Kgaa | Verfahren zum Verdichten von anodisierten Metalloberflächen im mittleren Temperaturbereich |
| US8512872B2 (en) | 2010-05-19 | 2013-08-20 | Dupalectpa-CHN, LLC | Sealed anodic coatings |
| US8609254B2 (en) | 2010-05-19 | 2013-12-17 | Sanford Process Corporation | Microcrystalline anodic coatings and related methods therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012917A (en) * | 1957-03-26 | 1961-12-12 | Pechiney Prod Chimiques Sa | Method of protecting metal surfaces |
| US3440150A (en) * | 1966-02-10 | 1969-04-22 | Martin Marietta Corp | Dual-seal anodized aluminum |
| BE792852A (fr) * | 1971-12-17 | 1973-06-15 | Henkel & Cie Gmbh | Procede de traitement de surfaces d'aluminium par oxydation suivie d'une densification |
-
1976
- 1976-11-08 DE DE2650989A patent/DE2650989C2/de not_active Expired
-
1977
- 1977-10-10 NO NO773454A patent/NO146245C/no unknown
- 1977-10-10 SE SE7711380A patent/SE427122B/xx not_active IP Right Cessation
- 1977-10-10 DK DK448777A patent/DK148753C/da not_active IP Right Cessation
- 1977-10-10 NL NL7711105A patent/NL7711105A/xx not_active Application Discontinuation
- 1977-10-28 IT IT29089/77A patent/IT1088144B/it active
- 1977-11-02 US US05/847,773 patent/US4121980A/en not_active Expired - Lifetime
- 1977-11-04 CA CA290,255A patent/CA1105872A/en not_active Expired
- 1977-11-04 GB GB45906/77A patent/GB1574161A/en not_active Expired
- 1977-11-07 JP JP52133359A patent/JPS6041155B2/ja not_active Expired
- 1977-11-07 ZA ZA00776620A patent/ZA776620B/xx unknown
- 1977-11-07 BR BR7707444A patent/BR7707444A/pt unknown
- 1977-11-07 CH CH1352577A patent/CH636131A5/de not_active IP Right Cessation
- 1977-11-07 AT AT792877A patent/AT350870B/de not_active IP Right Cessation
- 1977-11-07 BE BE182384A patent/BE860529A/xx not_active IP Right Cessation
- 1977-11-08 ES ES463951A patent/ES463951A1/es not_active Expired
- 1977-11-08 FR FR7733497A patent/FR2370110A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2370110B1 (show.php) | 1980-10-31 |
| FR2370110A1 (fr) | 1978-06-02 |
| ES463951A1 (es) | 1978-07-01 |
| NO146245C (no) | 1982-08-25 |
| BR7707444A (pt) | 1978-07-18 |
| SE427122B (sv) | 1983-03-07 |
| DK448777A (da) | 1978-05-09 |
| AT350870B (de) | 1979-06-25 |
| BE860529A (fr) | 1978-05-08 |
| GB1574161A (en) | 1980-09-03 |
| IT1088144B (it) | 1985-06-10 |
| US4121980A (en) | 1978-10-24 |
| CH636131A5 (de) | 1983-05-13 |
| JPS5358445A (en) | 1978-05-26 |
| NO773454L (no) | 1978-05-09 |
| ZA776620B (en) | 1978-08-30 |
| ATA792877A (de) | 1978-11-15 |
| DK148753C (da) | 1986-02-10 |
| DE2650989C2 (de) | 1985-01-24 |
| NO146245B (no) | 1982-05-18 |
| SE7711380L (sv) | 1978-05-09 |
| JPS6041155B2 (ja) | 1985-09-14 |
| DE2650989A1 (de) | 1978-05-11 |
| NL7711105A (nl) | 1978-05-10 |
| DK148753B (da) | 1985-09-16 |
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