http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-572835-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c811249b7f733865b11d2c5c5d66ddce |
| filingDate | 1943-06-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1945-10-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-572835-A |
| titleOfInvention | Processes for the production of pyridine-3-sulfonic acid and its salts |
| abstract | For the sulphonation of pyridine in the 3-position, oleum and a catalyst chosen from mercury, aluminium, magnesium and vanadium and their sulphates are added periodically to a solution of pyridine sulphate in oleum at 250-320 DEG C. In examples, mercury, mercury sulphate, aluminium and magnesium are used as the catalysts. |
| priorityDate | 1943-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.