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Patent applications and USPTO patent grants for Steinmetz; Jean.The latest application filed is for "method for treating metal surfaces by carboxylation, use of the method for temporary protection against corrosion, and method for manufacturing a shaped metal sheet thus carboxylated".
Patent | Date |
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Method for treating metal surfaces by carboxylation, use of the method for temporary protection against corrosion, and method for manufacturing a shaped metal sheet thus carboxylated Grant 8,273,189 - Derule , et al. September 25, 2 | 2012-09-25 |
Method For Treating Metal Surfaces By Carboxylation, Use Of The Method For Temporary Protection Against Corrosion, And Method For Manufacturing A Shaped Metal Sheet Thus Carboxylated App 20090242079 - Derule; Herve ;   et al. | 2009-10-01 |
Method for treating metal surfaces by carboxylation App 20040118482 - Steinmetz, Jean ;   et al. | 2004-06-24 |
Process for surface treatment of sheet steel partially coated with zinc or zinc alloy Grant 5,683,751 - Derule , et al. November 4, 1 | 1997-11-04 |
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