http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S6042338-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d93502a23a72b56472bc75854cfe7c60 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C2-86 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C1-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C11-18 |
| filingDate | 1983-08-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f5c894732cb1048e498c35451bddf469 |
| publicationDate | 1985-03-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S6042338-A |
| titleOfInvention | Production of isoprene |
| abstract | PURPOSE: To produce isoprene by the liquid-phase reaction of an isobutylene source with a formaldehyde source in the presence of an acidic catalyst and water, and in the copresence of a corrosion inhibitor such as trivalent Cr compound, Mo compound, W compound, nitrite, etc. n CONSTITUTION: Isoprene is produced by the liquid-phase reaction of an isobutylene source selected from isobutylene, t-butanol and alkyl t-butyl ether with a formaldehyde source in the presence of an acidic catalyst (e.g. orthophosphoric acid, sulfuric acid, etc.) and water. In the above process, the reaction is carried out in the presence of a corrosion inhibitor selected from a trivalent Cr compound, Mo compound, W compound, Sb compound, nitrite and nitrate, e.g. Cr 2 O 3 , molybdenum dioxide, antimonic acid, potassium nitrite, etc. The amount of the inhibitor is preferably 0.01W0.5wt%. n EFFECT: Corrosion of the reaction apparatus can be suppressed. n COPYRIGHT: (C)1985,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5177290-A |
| priorityDate | 1983-08-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 43.