公开(公告)号：US3849065A

公开(公告)日：1974-11-19

申请号：US27458072

申请日：1972-07-24

Applicant: BASF AG

Inventor： SCHMEIDL K

IPC: C09B11/24 ,  C09B11/28 ,  C09B67/34 ,  D21H21/28 ,  D06P1/42

CPC classification number: D21H21/28 ,  C09B11/24 ,  C09B11/28 ,  C09B67/0076 ,  C09B67/0077 ,  Y10S8/919

Abstract: Stable concentrated rhodamine dye solutions containing one or more rhodamine dyes esterified with a glycol or glycol derivative. The solutions are particularly suitable for dyeing paper.

Abstract translation: 含有一种或多种用二醇或二醇衍生物酯化的若丹明染料的稳定的浓缩罗丹明染料溶液。 该溶液特别适用于染色纸。

公开(公告)号：US3792077A

公开(公告)日：1974-02-12

申请号：US3792077D

申请日：1971-10-04

Applicant: BASF AG

Inventor： BERMES R ,  SCHMEIDL K

IPC: C07C67/00 ,  C07C201/00 ,  C07C201/04 ,  C07C203/00 ,  C09B41/00 ,  C09B67/24 ,  C07C77/02

CPC classification number: C09B41/00 ,  C07C203/00 ,  C09B67/0072

Abstract: NITRITES OF GLYCOLS AND GLYCOL DERIVATIVES OBTAINABLE BY ESTERIFICATION WITH NITROUS ACID. THE COMPOUNDS ARE EMINENTLY SUITABLE AS DIAZOTIZING AGENTS, PARTICULARLY IN ORGANIC SOLUTION.