ES231921A1 - Procedure for the formation of strictly adherent films on iron and steel (Machine-translation by Google Translate, not legally binding)
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Procedure for the formation of strictly adherent films on iron and steel (Machine-translation by Google Translate, not legally binding)
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Continentale Parker Ste
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Continentale Parker Ste
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Priority to ES231921ApriorityCriticalpatent/ES231921A1/en
Publication of ES231921A1publicationCriticalpatent/ES231921A1/en
Procedure for the formation of strongly adhering films on iron and steel, to facilitate the operation of giving them cold form, consisting essentially of subjecting the corresponding objects to a bath constituted by solutions of ammonium salts of sulfur-reducing oxygenated acids, such as ammonium sulphite, ammonium thiosulfate or ammonium polythionates, carrying out the treatment for an appropriate time, according to the bath used and the film to be obtained. (Machine-translation by Google Translate, not legally binding)
ES231921A1956-11-091956-11-09Procedure for the formation of strictly adherent films on iron and steel (Machine-translation by Google Translate, not legally binding)
ExpiredES231921A1
(en)