| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f27d87d29964ec312263defe8e732e13 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-0009
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00162
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00159
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00081 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-242
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-29
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J19-24 |
| filingDate |
1964-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1966-03-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
GB-1024496-A |
| titleOfInvention |
Preparation of benzene-disulphonic acid |
| abstract |
Benzene-m-disulphonic acid is prepared by sulphonating benzene monosulphonic acid with sulphuric acid at a temperature below 250 DEG C. and an absolute pressure below 10 mm. while distilling off sulphuric acid and water from the reaction mixture. An example is given. |
| priorityDate |
1963-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |