Verfahren zur Herstellung von haltbaren Druckpasten für das Bedrucken von Gebilden aus Polyacrylnitril, acrylnitrilhaltigen Mischpolymerisaten und Acetatreyon
Cyanine dyes are prepared by reacting a 2-cyanmethylene-indoline of the formula <FORM:0897197/IV (c)/1> wherein n is 0 or 1, A is an ortho phenylene or ortho naphthalene residue, R is H or CN, X is a dialkylated carbon atom and Y is N-alkyl, with a 1; 3; 3-trialkyl-2-methylene-indoline-o -alde...
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Main Authors | , , |
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Format | Patent |
Language | German |
Published |
31.10.1961
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Subjects | |
Online Access | Get full text |
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