Use of nitrogen compounds in the pickling of stainless steel

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United States of America Patent

PATENT NO 9487741
APP PUB NO 20140334965A1
SERIAL NO

14445147

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to an acidic aqueous solution suitable for the pickling of stainless steel grades that comprises accelerators based on water soluble inorganic compounds comprising at least one nitrogen atom in an oxidation state in the range of −2 to −⅓. The present invention further encompasses a process for the pickling of stainless steel that makes use of a pickling solution comprising the above-mentioned accelerators.

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Patent Owner(s)

Patent OwnerAddress
HENKEL AG & CO KGAAHENKELSTRASSE 67 DUESSELDORF 40589

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Demertzis, Ioannis Milan, IT 2 5
Gamboggi, Paolo Milan, IT 1 0
Giordani, Paolo Crema, IT 10 53
Rigamonti, Mauro Opera, IT 5 15

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