CH213418A
(en )
1941-02-15
Process for the production of a dye preparation.
CH220670A
(en )
1942-04-15
Process for the preparation of a methine dye.
CH217984A
(en )
1941-11-15
Process for the preparation of a new phthalocyaninesulfonium derivative.
CH230075A
(en )
1943-12-15
Process for the preparation of a dye.
CH225495A
(en )
1943-01-31
Process for the preparation of a quaternary ammonium salt.
CH236919A
(en )
1945-03-15
Process for the preparation of a quaternary ammonium salt.
CH224648A
(en )
1942-12-15
Process for the preparation of a pigment dye.
CH224841A
(en )
1942-12-15
Process for the preparation of a new quaternary ammonium salt.
CH209163A
(en )
1940-03-31
Process for the preparation of a urea derivative.
CH203138A
(en )
1939-02-28
Process for the preparation of a mixture of new quaternary ammonium salts.
CH227507A
(en )
1943-06-15
Process for the preparation of a trisazo dye.
CH233742A
(en )
1944-08-15
Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid.
CH210991A
(en )
1940-08-15
Process for the preparation of a solid diazonium salt.
CH203259A
(en )
1939-02-28
Process for the preparation of a thiazolium salt.
CH226838A
(en )
1943-04-30
Process for the preparation of a disazo dye.
CH220420A
(en )
1942-03-31
Process for the preparation of a monoazo dye.
CH231192A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH231193A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH231194A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH231195A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH231191A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH231190A
(en )
1944-02-29
Process for the preparation of a benzenesulfonamide derivative.
CH225887A
(en )
1943-02-28
Process for the preparation of a solution of a diphenyl sulfone derivative.
CH210990A
(en )
1940-08-15
Process for the preparation of a solid diazonium salt.
CH201947A
(en )
1938-12-31
Process for the preparation of a cholestadienone.