Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES166429ApriorityCriticalpatent/ES166429A1/es
Publication of ES166429A1publicationCriticalpatent/ES166429A1/es
ES166429A1944-06-071944-06-07Un procedimiento o sucesión de operaciones químicas para obtener la impermeabilización de papel o cartón
ExpiredES166429A1
(es)
Un procedimiento o sucesión de operaciones químicas para obtener envases impermeabilizados de papel o cartón, para la conservación de productos alimenticios