CH202553A
(en )
1939-01-31
Process for the preparation of a phthalocyanine dye.
CH196259A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196252A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH202445A
(en )
1939-01-15
Process for the preparation of a nitro dye.
CH201003A
(en )
1938-11-15
Process for the preparation of a dye.
CH196249A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH201849A
(en )
1938-12-15
Process for the preparation of a disazo dye.
CH203331A
(en )
1939-02-28
Process for the preparation of a disazo dye.
CH203330A
(en )
1939-02-28
Process for the preparation of a disazo dye.
CH203329A
(en )
1939-02-28
Process for the preparation of a disazo dye.
CH201528A
(en )
1938-11-30
Process for the preparation of a disazo dye.
CH203144A
(en )
1939-02-28
Process for the preparation of a polymethine dye.
CH203325A
(en )
1939-02-28
Process for the preparation of a pentakisazo dye.
CH201947A
(en )
1938-12-31
Process for the preparation of a cholestadienone.
CH196255A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196251A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196253A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196254A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196258A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196257A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196256A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196250A
(en )
1938-02-28
Process for the preparation of an azo dye.
CH196248A
(en )
1938-02-28
Process for the preparation of a chromium-containing azo dye.
CH175360A
(en )
1935-02-28
Process for the preparation of a dye.
CH196168A
(en )
1938-02-28
Process for the preparation of a leather dye.