| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_79751aeaa9923745648e5ae7d9c35782 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B3-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P1-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B3-30 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B3-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06P1-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B3-30 |
| filingDate |
1986-12-15^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1989-07-25^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d81b017ea00ba17bf07c986c4e6b4615 |
| publicationDate |
1989-07-25^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4851157-A |
| titleOfInvention |
Process for the preparation of vat dyes from brominated dibenzanthrone and 1-aminoanthraquinone |
| abstract |
There is disclosed a process for the preparation of vat dyes that dye cellulosic material in a grey or black shade of good fastness properties. The process comprises brominating dibenzanthrone and reacting the brominated reaction product with 1-aminoanthraquinone in a single step. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102660130-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112266627-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2283245-A |
| priorityDate |
1985-12-23^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |