Azo dyes containing a dihydroxyphenyl silver halide developing radical

Invention Grant

US3134764A Azo dyes containing a dihydroxyphenyl silver halide developing radical 失效

Title translation: 含有二羟基苯基卤化银显影基团的偶氮染料

Patent Title: Azo dyes containing a dihydroxyphenyl silver halide developing radical
Patent Title (中): 含有二羟基苯基卤化银显影基团的偶氮染料
Application No.: US14597861

Application Date: 1961-10-18
Publication No.: US3134764A

Publication Date: 1964-05-26
Inventor: BLOUT ELKAN R , ROGERS HOWARD G
Applicant: POLAROID CORP
Assignee: Polaroid Corp
Current Assignee: Polaroid Corp
Priority: US14597861 1961-10-18
Main IPC: C09B33/02
IPC: C09B33/02 ; G03C8/18

Public/Granted literature

Information query

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）
C09B33/00	由重氮化及偶合制备的A→K←B，A→B→K←C或类似类型的双偶氮及多偶氮染料
C09B33/02	.双偶氮染料