公开(公告)号：US3679358A

公开(公告)日：1972-07-25

申请号：US3679358D

申请日：1970-07-27

Applicant: HOECHST AG

Inventor： LOHE KONRAD ,  MOHR REINHARD ,  MUNDLOS EBERHARD ,  FREB HERMANN

IPC: C07D311/82 ,  C09B11/24 ,  C09B11/28 ,  D06P3/70

CPC classification number: C09B11/28 ,  C07D311/82 ,  C09B11/24 ,  Y10S8/927

Abstract: PROCESS FOR THE DYEING OR PRINTING OF TEXTILE MATERIALS MADE FROM POLYMERS OR COPOLYMERS OF ACRYLONITRILE, BY USING DYESTUFFS OF THE GENERAL FORMULA

(2,3-(-A-),4-(2-Z-PHENYL),7-(R1-N(-R2)-)-4H-CHROMENE)(+)

X(-)

WHEREIN R1 AND R2 EACH STANDS FOR A HYDROGEN ATOM OR OPTIONALLY SUBSTITUTED LOWER ALKYL GROUP, Z REPRESENTS A CARBOXYLIC ACID ESTER GROUP, A REPRESENTS A PHENYLENE RADICAL WHICH MAY CONTAIN NON-IONIC SUBSTITUENTS OPTIONALLY CONNECTED WITH ONE ANOTHER TO FORM A RING, BUT IS FREE FROM AMINO GROUPS, AND X$ REPRESENTS AN ANION AND WHEREIN THE BENZENE NUCLEI A MAY CONTAIN FURTHER NONIONIC SUBSTITUENTS.