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Gerhard Collardin GmbH
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Gerhard Collardin GmbH
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Publication of ES254158A1publicationCriticalpatent/ES254158A1/en
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Abstract
Process for preparing phosphate layers on iron surfaces by treating the pieces or parts of iron with phosphoric acid solutions, characterized by the use of solutions prepared based on phosphoric acid adducts and low weight carboxylic acid amides molecular, in particular urea. (Machine-translation by Google Translate, not legally binding)
ES0254158A1959-08-141959-12-14Procedure for preparing phosphate layers on iron (Machine-translation by Google Translate, not legally binding)
ExpiredES254158A1
(en)
A procedure for preparing polyethylene surfaces or similar polymers for fixing inks on the same (Machine-translation by Google Translate, not legally binding)
A method to improve objects consisting of linear polymerization or polycondention products, in particular consistent in polyamide (Machine-translation by Google Translate, not legally binding)