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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A Leonhardt & Co
Original Assignee
A Leonhardt & Co
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Publication date
Application filed by A Leonhardt & CofiledCriticalA Leonhardt & Co
Priority to ES8848ApriorityCriticalpatent/ES8848A1/es
Publication of ES8848A1publicationCriticalpatent/ES8848A1/es
Un procedimiento químico "Producción directa sobre tejidos de una nueva clase de materias colorantes resultante de la acción de los azoderivados de las láminas sobre los ferroles.