| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-40
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C301-00 |
| filingDate |
1980-04-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_22ad118943c2030682915d9c2db82d66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da1e100abedee1cdecf407996707d9a4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7dc99fc466fd9f703bdd9fe6fd6cd183 |
| publicationDate |
1980-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0018541-A1 |
| titleOfInvention |
Process for the preparation of 4-nitrotoluene-2-sulfonic acid |
| abstract |
The invention relates to a process for the preparation of 4-nitrotoluene-2-sulfonic acid by reacting molten 4-nitrotoluene with gaseous sulfur trioxide at elevated temperature.n n n 4-Nitrotoluene-2-sulfonic acid is a valuable starting product for the production of optical brighteners. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0083555-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2576019-A1 |
| priorityDate |
1979-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |