Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way
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United States of America Patent
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Nov 10, 2009
Grant Date -
Apr 1, 2004
app pub date -
Oct 10, 2001
filing date -
Oct 11, 2000
priority date (Note) -
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Abstract
The invention relates to a method for coating a metallic strip. The strip or optionally, the strip sections produced from said strip in the subsequent process, is/are first coated with at least one anticorrosion layer—according to an alternative form of embodiment, this can be left out—and then with at least one layer of a paint-like coating containing polymers. After being coated with at least one anticorrosion layer or after being coated with at least one layer of a paint-like coating, the strip is divided into strip sections. The coated strip sections are then formed, joined and/or coated with at least one (other) paint-like coating and/or paint coating. The paint-like coating is formed by coating the surface with an aqueous dispersion containing the following in addition to water: a) at least one organic film former containing at least one water-soluble or water-dispersed polymer with an acid value of 5 to 200; b) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope of 0.005 to 0.3 μm; and c) at least one lubricant and/or at least one corrosion inhibitor. The metallic surface that is optionally coated with at least one anticorrosion layer is brought into contact with the aqueous composition and a film containing particles is formed on the metallic surface, this film then being dried and optionally also hardened, the dried and optionally, also hardened film having a layer thickness of 0.01 to 10 μm. The invention also relates to a corresponding aqueous composition.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CHEMETALL GMBH
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bittner, Klaus | Frankfurt Am Main , DE | 16 | 333 |
Domes, Heribert | Weilmunster , DE | 24 | 550 |
Jung, Christian | Oberhaid , DE | 47 | 506 |
Kolberg, Thomas | Heppenheim , DE | 41 | 412 |
Maurus, Norbert | Langen , DE | 17 | 327 |
Schinzel, Marcus | Eppstein , DE | 10 | 219 |
Shimakura, Toshiaki | Fchikawa , JP | 33 | 667 |
Wietzoreck, Hardy | Frankfurt Am Main , DE | 18 | 348 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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