Process for dyeing paper with disazo dyes

Invention Grant

US5288294A Process for dyeing paper with disazo dyes 失效

Title translation: 用双偶氮染料染色纸的方法

Patent Title: Process for dyeing paper with disazo dyes
Patent Title (中): 用双偶氮染料染色纸的方法
Application No.: US949179

Application Date: 1992-09-21
Publication No.: US5288294A

Publication Date: 1994-02-22
Inventor: Adolf Kaser
Applicant: Adolf Kaser
Applicant Address: NY Ardsley
Assignee: Ciba-Geigy Corporation
Current Assignee: Ciba-Geigy Corporation
Current Assignee Address: NY Ardsley
Priority: CHX2852/91-9 19910926
Main IPC: C09B31/072
IPC: C09B31/072 ; C09B31/08 ; C09B31/22 ; C09B35/037 ; C09B35/039 ; C09B35/04 ; C09B35/35 ; C09B67/24 ; D21H21/28 ; C09B31/00 ; C09B31/02

Abstract:

The dyes of formula ##STR1## wherein X, Y and M are as defined in claim 1, are suitable for dyeing paper with good lightfastness.

Abstract(Chinese):

式（1）的染料，其中X，Y和M如权利要求1中所定义，适用于具有良好耐光性的染色纸。

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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）
C09B31/00	由重氮化及偶合制备的A→B→C，A→B→C→D，或类似类型的双偶氮及多偶氮染料
C09B31/02	.双偶氮染料
C09B31/06	..由含有1个定向羟基的偶合组分“C”
C09B31/068	...萘酚类
C09B31/072	....含有酸基、例如：-COOH、-SO3H、-PO3H2、-OSO3H、-OPO2H2；它的盐