Vat dyestuffs of the anthraquinone series and process for their manufacture

Claim 2

THE DYESTUFF OF THE FORMULA 5,10,20-TRI(O=),13-(H5C2-O-)-ANTHRA(1,2-C)BENZIMIDAZO

Claim 3

A PROCESS FOR PREPARING A DYESTUFF OF FORMULA 5,10,20-TRI(O=),R1,R2-ANTHRA(1,2-C)BENZIMIDAZO(1,2-J)IN WHICH R1 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN ATOM, A LOWER ALKYL GROUP AND A LOWER ALKOXY GROUP AND R2 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN ATOM, A CHLORINE ATOM AND A BENZOYLAMINO GROUP, WHICH COMPRISES CONDENSING A 4'',5''-DIHALOGEN-1'',8''-NAPHTHOYLENE-BENZIMIDAZOLE OF THE FORMULA 8,9-DI(X-),12-(O=),R1-NAPHTHO(IJ)PYRIDO(1,2-A)(1,2-J)BENZO(LMN)-2,8 -PHENANTHROLINE BENZO(LMN)-2,8-PHENANTHROLINE BENZIMIDAZOLE IN WHICH R1 HAS THE MEANING GIVEN ABOVE AND X REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS IN THE PRESENCE OF AN ORGANIC SOLVENT WITH AN ALKALI METAL PHENOLATE AND THEN WITH AN AMINOANTHRAQUINONE SELECTED FROM THE GROUP CONSISTING OF 1-AMINO-ANTHRAQUINONE, 1 - AMINO-BENZOLYAMINO-ANTHRAQUINONE, AND 1-AMINO-CHLOROANTHRAQUINONE IN THE PRESENCE OF AN ACID-BINDING AGENT AND A COPPER SALT AND TREATING THE INTERMEDIATES IN AN AQUEOUS ALKALINE SOLUTION WITH SODIUM DITHIONITE IN THE PRESENCE OF AN ORGANIC ACID AMIDE AT A TEMPERATURE BETWEEN 30* AND 120*C.

Claim 4

A PROCESS FOR PREPARING A DYESTUFF OF FORMULA 5,10,20-TRI(O=),R1,R2-ANTHRA(1,2-C)BENZIMIDAZO(1,2-J)IN WHICH R1 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN ATOM, A LOWER ALKYL GROUP AND A LOWER ALKOXY GROUP AND R2 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN ATOM, A CHLORINE ATOM AND A BENZOYLAMINO GROUP, WHICH COMPRISES CONDENSING A 4'',5''-DIHALOGEN-1'',8''-NAPHTHOYLENE-BENZIMIDAZOLE OF THE FORMULA 8,9-DI(X-),12-(O=),R1-NAPHTHO(IJ)PYRIDO(1,2-A)(1,2-J)BENZO(LMN)-2,8 -PHENANTHROLINE BENZO(LMN)-2,8-PHENANTHROLINE BENZIMIDAZOLE IN WHICH R1 HAS THE MEANING GIVEN ABOVE AND X REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS IN THE PRESENCE OF AN ORGANIC SOLVENT WITH AN ALKALI METAL PHENOLATE AND THEN WITH AN AMINOANTHRAQUINONE SELECTED FROM THE GROUP CONSISTING OF 1-AMINO-ANTHRAQUINONE, 1 - AMINO-BENZOLYAMINO-ANTHRAQUINONE, AND 1-AMINO-CHLOROANTHRAQUINONE IN THE PRESENCE OF AN ACID-BINDING AGENT AND A COPPER SALT AND TREATING THE INTERMEDIATES IN AN AQUEOUS ALKALINE SOLUTION WITH SODIUM DITHIONITE IN THE PRESENCE OF AN ORGANIC ACID AMIDE AT A TEMPERATURE BETWEEN 30* AND 120*C.