http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H02157233-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d6402b23ab8782152be47b3996e48a4a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C15-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C7-177 |
| filingDate | 1988-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1dfc1b3498c11be839523ba530bce9b6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9cdb284a0f0b7eaa6a8c58614d5088a5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8b712de83501a7b7b8e7251405894dae http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce016adb43b4347b5567c3cec3f5ef52 |
| publicationDate | 1990-06-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H02157233-A |
| titleOfInvention | Purification of methylnaphthalene-containing oil |
| abstract | PURPOSE: To produce methylnaphthalene of reduced organic sulfur compounds in high yield by treating an oil containing 1- and/or 2-methylnaphthalene with formaldehyde in the presence of ferric chloride. n CONSTITUTION: An oil containing 1- and/or 2-methylnaphthalene is treated with formaldehyde in the presence of ferric chloride at 20 to 240°C for more than 5 minutes. After the reaction, the catalyst is removed, the aqueous phase is centrifuged to give methylnaphthalene of a reduced concentration of organic sulfur compounds. The ferric chloride used as a catalyst may be in any forms such as anhydride, dehydrate, hexahydrate or aqueous solution and the amount is preferably more than 5wt.% based on the organic sulfur compounds. The formaldehyde may be used in any form selected from aqueous solution, polymerisatetrioxan such as or paraformaldehyde and formaldehyde gas and the amount used is more than 0.5 mole per mole of the organic sulfur compounds. n COPYRIGHT: (C)1990,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0066521-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6664433-B1 |
| priorityDate | 1988-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 24.