Production of copper complex compounds of o.o'-dihydroxyazo dyestuffs

Invention Grant

US2674595A Production of copper complex compounds of o.o'-dihydroxyazo dyestuffs 失效

Title translation: 生产邻二羟基偶氮染料的铜络合物

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Patent Title: Production of copper complex compounds of o.o'-dihydroxyazo dyestuffs
Patent Title (中): 生产邻二羟基偶氮染料的铜络合物
Application No.: US11920649

Application Date: 1949-10-01
Publication No.: US2674595A

Publication Date: 1954-04-06
Inventor: HELMUT PFITZNER , HELMUT MERKEL
Applicant: BASF AG
Assignee: Basf Ag
Current Assignee: Basf Ag
Priority: US11920649 1949-10-01
Main IPC: C09B45/01
IPC: C09B45/01

Production of copper complex compounds of o.o'-dihydroxyazo dyestuffs

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US08662883B2 Gas combustion apparatus Public/Granted day:2014-03-04

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Espacenet

IPC分类:

C	化学；冶金
C09	染料；涂料；抛光剂；天然树脂；黏合剂；其他类目不包含的组合物；其他类目不包含的材料的应用
C09B	有机染料或用于制造染料的有关化合物；媒染剂；色淀（发酵或用酶的方法合成的目标化合物入C12P）
C09B45/00	偶氮染料的配合金属化合物
C09B45/01	.以金属化的方法为特征的

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