Title:
AZO COMPOUNDS
Document Type and Number:
Japanese Patent JPS5560563
Kind Code:
A
Abstract:
Novel azo compounds of the general formula (E)n1(A)n2-(R1)n3-N=N-BAL are provided, wherein A is a charged group which may be positively or negatively charged, E is a counter ion which carries a charge of opposite sign to that carried by A, BAL represents a ballasting group attached to the azo group via an aromatic or heterocyclic ring which may be further substituted, and R1 is an optionally substituted aromatic or heterocyclic ring which is present unless A is a charged heterocylic group, and n1 and n2 are each 1 or 2, and n3 is 0 or 1. The compounds are useful in the photographic field, especially in the photographic dye diffusion transfer process for the production of photographic images.
Inventors:
UIRIAMU EDOWAADO RONGU
Application Number:
JP2146879A
Publication Date:
May 07, 1980
Filing Date:
February 27, 1979
Export Citation:
Assignee:
CIBA GEIGY AG
International Classes:
C09B15/00; C09B46/00; C09B17/00; C09B19/00; C09B21/00; C09B29/20; C09B44/02; C09B44/12; C09B69/00; C09B69/02; G03C7/28; G03C8/08; G03C8/10; (IPC1-7): C09B46/00