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公开(公告)号：US1921337A
公开(公告)日：1933-08-08
申请号：US62767232
申请日：1932-08-05
Applicant: GEN ANILINE WORKS INC
Inventor： KARL WIEDEMANN , HEINRICH CLINGESTEIN
IPC: C09B45/01
CPC classification number: C09B45/01
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22.发明授权Primary diazo dye derived from diamino carbazoles and arylides of unsulphonated hydroxy carboxylic acid 失效源自二氨基咔唑的原始重氮染料和未磺化羟基羧酸的芳基化物
公开(公告)号：US1751683A
公开(公告)日：1930-03-25
申请号：US17720827
申请日：1927-03-21
Applicant: GEN ANILINE WORKS INC
Inventor： HEINRICH CLINGESTEIN , GRIMMEL HARRY W
IPC: C09B35/00
CPC classification number: C09B35/00
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