ES311206A3 - Procedure for the manufacture of colorants and utilization. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of colorants and utilization. (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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Bayer AG
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Bayer AG
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
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Abstract
Dye manufacturing process, characterized in that in colorants or dye precursors, at least one grouping of the formula is introduced ** (See formula) ** wherein A carbocyclic or heterocyclic ring with 5 or 6 elements, X hydrogen is a substituent, X a dissociable moiety in the form of anion, Z -O-, -S- or NR, where R is hydrogen or an alkyl radical , aralkyl or aryl, and n an integer from 1 to 3, and by using dye precursors, these are transformed into the desired final dyes. (Machine-translation by Google Translate, not legally binding)
ES0311206A1965-03-301965-03-30Procedure for the manufacture of colorants and utilization. (Machine-translation by Google Translate, not legally binding)
ExpiredES311206A3
(en)
Procedure to obtain a diazotypy material with a photosensitive layer of one or two components. (Machine-translation by Google Translate, not legally binding)