http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S5484513-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d9cb217f83556ce2a418344c2d485415 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-40 |
| filingDate | 1977-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6b14637ca354e426a046b989b3b41ac0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_539be8ca04749722cb59a16f5ace2dc0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_48044aa4a4a103aef459e48c330f8855 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1c5cc26737f311caf5998fe2f24e9f67 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_149aed038b16ed62f0b327d9b7b07241 |
| publicationDate | 1979-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S5484513-A |
| titleOfInvention | Production of oxalic diester |
| abstract | PURPOSE: Title compound used for analytical reagents and solvents is continuously produced by novel industrial process consisting of the first step, the reaction between an alcohol, a nitrite ester, carbon monoxide and oxygen in the presence of a catalyst, the second step, dehydration and the third step, the separation of the product. n CONSTITUTION: The catalytic reaction under pressure is conducted by supplying a mixture of an alcohol containing a metal catalyst in platinum group and a nitrite ester from pipe 12 and a gas containing carbon monoxide and oxygen from pipe 13 to reactor 1. The reaction product is introduced through pipe 16 into dehy- dration column 2 where warter formed is distilled off as an azeotropic mixture with the nitrite ester. Then it is separated in separator 3 and the nitrite ester is recycled to dehydrator 2 and the water is taken out of pipe 20. In the present process effective dehydration is conducted and the formation of by-products is inhibited. When the waste gas contains a small amount of the alcohol and nitrite ester, it may be cooled to condense them, which are reused. Then a part of the dehydrated product is circulated through pipe 27 and the oxalic ester is obtained from pipe 26. n USE: Starting material for oxalic acid, oxamide, orotic acid, glycolic acid, ehtylene glycol and others. n COPYRIGHT: (C)1979,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5834615-A |
| priorityDate | 1977-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.