| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a899eba0e35112cc25b4aa1b0b7fda90 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-42 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C301-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-06 |
| filingDate |
1984-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_189ceeabacdd13ee7fcd39c15071a403 |
| publicationDate |
1984-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
FR-2543948-A1 |
| titleOfInvention |
PROCESS FOR THE PREPARATION OF 1-NAPHTOL-4-SULFONIC ACID |
| abstract |
THE SUBJECT OF THE PRESENT INVENTION IS A PROCESS FOR THE PREPARATION OF 1-NAPHTOL-4-SULPHONIC ACID IN THE FORM OF FREE ACID AND CONTAMINATED BY LESS THAN 2 BY WEIGHT OF 1-NAPHTOL-2-SULPHONIC ACID ISOMERIC. |
| priorityDate |
1983-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |