| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b0bd7554ab74cd8cf4b4d5610c6afbe1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B27-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B62-4416 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B62-515
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B62-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B62-095
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B45-04 |
| filingDate |
1983-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8b198546d989457fb8591257f50b6286 |
| publicationDate |
1993-03-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
MX-167399-B |
| titleOfInvention |
PROCEDURE FOR THE PREPARATION OF A MIXTURE OF AZOIC DYES IN 1: 2 CHROME AND 1: 2 CHROME COMPLEX |
| abstract |
The present invention relates to a process for the preparation of mixtures of azo dyes in 1: 2 cobalt complex and 1: 2 chromium complex, characterized in that in a single process and without intermediate isolation of the intermediate products of Procedure, firstly 4-nitro-2-aminophenol is diazolated and coupled with 1-amino-8-hydroxy-naphthalene-3,6-disulfonic acid to obtain the azo compound. |
| priorityDate |
1982-08-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |