ES219294A1 - A procedure for the preparation of colored cellulose derivatives (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of colored cellulose derivatives (Machine-translation by Google Translate, not legally binding)
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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Kuhlmann SA
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Kuhlmann SA
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Priority to ES0219294ApriorityCriticalpatent/ES219294A1/en
Publication of ES219294A1publicationCriticalpatent/ES219294A1/en
Procedure for the preparation of colored cellulosic derivatives characterized in that the dyeing is done before the formation of the cellulosic ether by directly staining the cellulose either by impregnation with naphthols and development on diazoteas bases or by using tub dyes of the anthraquinonic or indigoid series or by any other method known. (Machine-translation by Google Translate, not legally binding)
ES0219294A1954-12-311954-12-31A procedure for the preparation of colored cellulose derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES219294A1
(en)
Procedure for preparing and dying artificial fibers, especially from the uses as hair in the dolls. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of coloring preparations and their corresponding dyeing or printing procedure (Machine-translation by Google Translate, not legally binding)
Procedure for the dyeing of cellulose materials with soluble tiesulphonic acids in sulfuric coloring water (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the object of the main patent num.237061 by procedure to dye particularly cellulosic polyhydroxyled materials (Machine-translation by Google Translate, not legally binding)