Georgievics, Georg von, b. 1859, Salter, Charles Thomas Colley · London, Scott, Greenwood & co. · leaf 195
and benzylated metamidophenols give withaldehydes dye-stuffs of stronger tinctorial power than areobtainable from phenols, was recently applied by K. Heu-mann and H. Rey to the benzenic group. As a matter offact, they obtained dye-stuffs of far stronger tinctorial powerthan the Benzeines, and also… … * Jonrn. f. prakt. Chevi., vol. liv. (N.S.), p. 250. KOSOLIC ACID DYE-STUFFS. 185 Technical progress seems also to have been made in this^branch of late by the production of Oxyam^nes and Aurinecarbo acids. These compounds are obtained by the conden-sation of formaldehyde with phenols and oxyacids,…
Dyes and dyeing
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