| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B45-02 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-32
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/C07C303-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C301-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-35
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B45-02 |
| filingDate |
1989-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1989-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4182bfd507e5effa587d184548c80405
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de075bb25ad762672f15304893e23011
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_08322fb97ecf0bbc103ef110b66b614a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bb3ab25cb9e2bfa977999a910d12823c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_af23e14c07d79b1215940ffea74eaef8 |
| publicationDate |
1989-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4859372-A |
| titleOfInvention |
Process for the sulphonation of aromatic compounds with sulphur trioxide |
| abstract |
A new process for the preparation of aromatic sulphonic acids, in which the sulphonation of the aromatic compounds is carried out with sulphur trioxide in organic solvents in the presence of hydrogen halide. |
| priorityDate |
1983-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |