C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
6/23, 260/236, 2
C09B 11/12 (2006.01) C09B 11/20 (2006.01) C09D 11/16 (2006.01)
Patent
CA 1068265
Abstract of the disclosure: New high-sulfonated triphenylmethane compounds had been found which are especially well suitable for the use as writ- ing ink dyestuffs. They possess a high solubility in water over a wide pH-range and are stable also in a prolonged storage.
245113
Hahnke Manfred
Hencken Gunther
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