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1.
公开(公告)号:US3035043A
公开(公告)日:1962-05-15
申请号:US78191058
申请日:1958-12-22
Applicant: SANDOZ LTD
Inventor: JAKOB BENZ , LUKAS SCHNEIDER , HANS SIEGRIST
IPC: C09B62/66
CPC classification number: C09B62/66
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2.Process for the manufacture of azo dyestuffs using urea as a coupling accelerator 失效
Title translation: 使用尿素作为偶联加速剂制造偶氮染料的方法公开(公告)号:US3406161A
公开(公告)日:1968-10-15
申请号:US48291665
申请日:1965-08-26
Applicant: SANDOZ LTD
Inventor: JACKY DORE , HANS ISCHER , PIERO MADERNI , LUKAS SCHNEIDER , AUGUST SCHWEIZER
CPC classification number: C09B35/36 , C09B31/00 , C09B31/025 , C09B35/00 , C09B41/00 , C09B41/001 , C09B41/004 , C09B45/24
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公开(公告)号:US3114746A
公开(公告)日:1963-12-17
申请号:US1618760
申请日:1960-03-21
Applicant: SANDOZ LTD
Inventor: JAKOB BENZ , LUKAS SCHNEIDER
IPC: C09B62/465
CPC classification number: C09B62/465
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