| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bba842fc4d37dfcaced1b55bc0c91c7c |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B67-0028
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B67-0015
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B33-153 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-23
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B33-153 |
| filingDate |
1990-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5b485373c52d4bfb06a3d5d8e538452f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8eba6e58d3321e87ceaa17216c35a10 |
| publicationDate |
1991-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-4039590-A1 |
| titleOfInvention |
PROCESS FOR PREPARING A PIGMENT DYE WITH IMPROVED PROPERTIES |
| abstract |
A modified disazo cpd. of formula (I) has the following CIELAB values: L asterisk = 82.55; a asterisk = 11.53; b asterisk = 90.49; C asterisk = 91.22; and H asterisk = 82.74. Prepn. of (I) comprises (a) dissolving 1,4 bis (acetoacetylamino)-benzene (II) in an aq. alkaline hydroxide soln., (b) pptg. (II) to form a suspension, and (c) coupling the prod. of (b) with a soln. of diazotised 2-amino -terephthalic acid dimethyl ester (III); the molar ratio of diazotised (III):(II) being 2:1. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-4229207-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102007050193-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-4229207-C2 |
| priorityDate |
1989-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |