DE2650989C2 - Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung - Google Patents
Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden VerdichtungInfo
- Publication number
- DE2650989C2 DE2650989C2 DE2650989A DE2650989A DE2650989C2 DE 2650989 C2 DE2650989 C2 DE 2650989C2 DE 2650989 A DE2650989 A DE 2650989A DE 2650989 A DE2650989 A DE 2650989A DE 2650989 C2 DE2650989 C2 DE 2650989C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- solutions
- water
- aluminum
- compaction
- 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
- 238000000034 method Methods 0.000 title claims description 29
- 238000005056 compaction Methods 0.000 title claims description 14
- 229910052782 aluminium Inorganic materials 0.000 title claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 12
- 230000003647 oxidation Effects 0.000 title claims description 5
- 238000007254 oxidation reaction Methods 0.000 title claims description 5
- 239000000243 solution Substances 0.000 claims description 20
- 150000003839 salts Chemical class 0.000 claims description 14
- WLWKIJKUDWYINL-UHFFFAOYSA-N cyclohexane-1,1,2,2,3,3-hexacarboxylic acid Chemical class 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 13
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical compound 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 12
- 239000002253 acid Substances 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 10
- 150000007513 acids Chemical class 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 33
- 238000007789 sealing Methods 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000010407 anodic oxide Substances 0.000 description 5
- 230000004580 weight loss Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 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 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- VZFUCHSFHOYXIS-UHFFFAOYSA-N cycloheptane carboxylic acid Natural products OC(=O)C1CCCCCC1 VZFUCHSFHOYXIS-UHFFFAOYSA-N 0.000 description 2
- 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 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
- 230000001771 impaired effect Effects 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
- 229940078494 nickel acetate Drugs 0.000 description 2
- 238000010979 pH adjustment Methods 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
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 230000017105 transposition Effects 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
- 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
- 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
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000004117 Lignosulphonate Substances 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
- 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
- 238000010306 acid treatment Methods 0.000 description 1
- -1 acids Salts Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 238000002048 anodisation reaction Methods 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 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 description 1
- 230000006735 deficit Effects 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
- 230000003628 erosive effect Effects 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
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 235000019357 lignosulphonate Nutrition 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
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- MYHXWQZHYLEHIU-UHFFFAOYSA-N oxalic acid;sulfuric acid Chemical compound OS(O)(=O)=O.OC(=O)C(O)=O MYHXWQZHYLEHIU-UHFFFAOYSA-N 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
- 230000000717 retained effect Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 229910001023 sodium amalgam Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000004383 yellowing Methods 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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
- Sealing Material Composition (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2650989A DE2650989C2 (de) | 1976-11-08 | 1976-11-08 | Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung |
| NL7711105A NL7711105A (nl) | 1976-11-08 | 1977-10-10 | Werkwijze voor de behandeling van aluminium- oppervlakken door oxydatie met een daaropvol- gende verdichting. |
| NO773454A NO146245C (no) | 1976-11-08 | 1977-10-10 | Fremgangsmaate til behandling av aluminiumoverflater ved oksydasjon med en etterfoelgende fortetning |
| DK448777A DK148753C (da) | 1976-11-08 | 1977-10-10 | Fremgangsmaade til behandling af aluminiumoverflader ved anodisk oxidation med en efterfoelgende fortaetning |
| SE7711380A SE427122B (sv) | 1976-11-08 | 1977-10-10 | Forfarande for behandling av aluminiumytor genom anodisk oxidation med efterfoljande tetningar |
| IT29089/77A IT1088144B (it) | 1976-11-08 | 1977-10-28 | Precedimento per trattare superfici di alluminio mediante ossidazione ed un successivo consolidamento |
| US05/847,773 US4121980A (en) | 1976-11-08 | 1977-11-02 | Method of sealing oxidized aluminum surfaces with aqueous solutions of polycarboxylic acids |
| GB45906/77A GB1574161A (en) | 1976-11-08 | 1977-11-04 | Method of treating aluminium surface by anodic oxidation with subsequent sealing |
| CA290,255A CA1105872A (en) | 1976-11-08 | 1977-11-04 | Method of sealing oxidized aluminum surfaces with aqueous solutions of polycarboxylic acid |
| BE182384A BE860529A (fr) | 1976-11-08 | 1977-11-07 | Procede de traitement de surfaces d'aluminium par oxydation suivie d'une densification |
| CH1352577A CH636131A5 (de) | 1976-11-08 | 1977-11-07 | Verfahren zur behandlung von aluminiumoberflaechen durch oxidation mit einer nachfolgenden verdichtung. |
| AT792877A AT350870B (de) | 1976-11-08 | 1977-11-07 | Verfahren zur behandlung von aluminiumober- flaechen durch oxydation mit einer nachfolgenden verdichtung |
| JP52133359A JPS6041155B2 (ja) | 1976-11-08 | 1977-11-07 | アルミニウム表面を酸化し引続き封孔することにより処理する方法 |
| ZA00776620A ZA776620B (en) | 1976-11-08 | 1977-11-07 | Method of treating aluminium surfaces by oxidation with subsequent sealing |
| BR7707444A BR7707444A (pt) | 1976-11-08 | 1977-11-07 | Processo para o tratamento de superficies de aluminio ou ligas de aluminio mediante oxidacao anodica com subsequente impermeabilizacao |
| ES463951A ES463951A1 (es) | 1976-11-08 | 1977-11-08 | Procedimiento para el tratamiento de las superficies de alu-minio o aleaciones de aluminio. |
| FR7733497A FR2370110A1 (fr) | 1976-11-08 | 1977-11-08 | Procede de traitement de surfaces d'aluminium par oxydation suivie d'une densification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2650989A DE2650989C2 (de) | 1976-11-08 | 1976-11-08 | Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2650989A1 DE2650989A1 (de) | 1978-05-11 |
| DE2650989C2 true DE2650989C2 (de) | 1985-01-24 |
Family
ID=5992670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2650989A Expired DE2650989C2 (de) | 1976-11-08 | 1976-11-08 | Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4121980A (enExample) |
| JP (1) | JPS6041155B2 (enExample) |
| AT (1) | AT350870B (enExample) |
| BE (1) | BE860529A (enExample) |
| BR (1) | BR7707444A (enExample) |
| CA (1) | CA1105872A (enExample) |
| CH (1) | CH636131A5 (enExample) |
| DE (1) | DE2650989C2 (enExample) |
| DK (1) | DK148753C (enExample) |
| ES (1) | ES463951A1 (enExample) |
| FR (1) | FR2370110A1 (enExample) |
| GB (1) | GB1574161A (enExample) |
| IT (1) | IT1088144B (enExample) |
| NL (1) | NL7711105A (enExample) |
| NO (1) | NO146245C (enExample) |
| SE (1) | SE427122B (enExample) |
| ZA (1) | ZA776620B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0347663A1 (de) * | 1988-06-18 | 1989-12-27 | Henkel Kommanditgesellschaft auf Aktien | Verfahren zum Verdichten von anodisierten Oxidschichten auf Aluminium und Aluminiumlegierungen |
Families Citing this family (14)
| 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 |
| 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 |
| DE59604329D1 (de) * | 1995-10-18 | 2000-03-02 | Henkel Kgaa | Kurzzeit-heissverdichtung anodisierter metalloberflächen |
| 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 |
| CA2300859A1 (en) * | 1997-08-22 | 1999-03-04 | Henkel Corporation | Faster two-step sealing of anodized aluminum surfaces |
| EP1230445A1 (en) * | 1999-11-18 | 2002-08-14 | Houghton Metal Finishing | A sealant composition |
| DE10161478A1 (de) * | 2001-12-14 | 2003-06-26 | Henkel Kgaa | Verfahren zum Verdichten von anodisierten Metalloberflächen im mittleren Temperaturbereich |
| US8609254B2 (en) | 2010-05-19 | 2013-12-17 | Sanford Process Corporation | Microcrystalline anodic coatings and related methods therefor |
| US8512872B2 (en) | 2010-05-19 | 2013-08-20 | Dupalectpa-CHN, LLC | Sealed anodic coatings |
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 SE SE7711380A patent/SE427122B/xx not_active IP Right Cessation
- 1977-10-10 NL NL7711105A patent/NL7711105A/xx not_active Application Discontinuation
- 1977-10-10 DK DK448777A patent/DK148753C/da not_active IP Right Cessation
- 1977-10-10 NO NO773454A patent/NO146245C/no unknown
- 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 GB GB45906/77A patent/GB1574161A/en not_active Expired
- 1977-11-04 CA CA290,255A patent/CA1105872A/en not_active Expired
- 1977-11-07 AT AT792877A patent/AT350870B/de not_active IP Right Cessation
- 1977-11-07 BR BR7707444A patent/BR7707444A/pt unknown
- 1977-11-07 BE BE182384A patent/BE860529A/xx not_active IP Right Cessation
- 1977-11-07 JP JP52133359A patent/JPS6041155B2/ja not_active Expired
- 1977-11-07 CH CH1352577A patent/CH636131A5/de not_active IP Right Cessation
- 1977-11-07 ZA ZA00776620A patent/ZA776620B/xx unknown
- 1977-11-08 FR FR7733497A patent/FR2370110A1/fr active Granted
- 1977-11-08 ES ES463951A patent/ES463951A1/es not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0347663A1 (de) * | 1988-06-18 | 1989-12-27 | Henkel Kommanditgesellschaft auf Aktien | Verfahren zum Verdichten von anodisierten Oxidschichten auf Aluminium und Aluminiumlegierungen |
Also Published As
| Publication number | Publication date |
|---|---|
| AT350870B (de) | 1979-06-25 |
| JPS6041155B2 (ja) | 1985-09-14 |
| DE2650989A1 (de) | 1978-05-11 |
| US4121980A (en) | 1978-10-24 |
| NO146245B (no) | 1982-05-18 |
| NO146245C (no) | 1982-08-25 |
| ATA792877A (de) | 1978-11-15 |
| DK148753B (da) | 1985-09-16 |
| SE7711380L (sv) | 1978-05-09 |
| NL7711105A (nl) | 1978-05-10 |
| BE860529A (fr) | 1978-05-08 |
| SE427122B (sv) | 1983-03-07 |
| CH636131A5 (de) | 1983-05-13 |
| ZA776620B (en) | 1978-08-30 |
| BR7707444A (pt) | 1978-07-18 |
| ES463951A1 (es) | 1978-07-01 |
| IT1088144B (it) | 1985-06-10 |
| JPS5358445A (en) | 1978-05-26 |
| DK148753C (da) | 1986-02-10 |
| FR2370110B1 (enExample) | 1980-10-31 |
| DK448777A (da) | 1978-05-09 |
| GB1574161A (en) | 1980-09-03 |
| NO773454L (no) | 1978-05-09 |
| CA1105872A (en) | 1981-07-28 |
| FR2370110A1 (fr) | 1978-06-02 |
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