http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2001163873-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7ef01e33058cf740cf2197991be97af1 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D331-02 |
| filingDate | 1999-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ae699bdca1701f997f84915739e6d743 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7efac07539dd38f1555c5824be265f4d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c10791246d59d5533374e3b7cbd8976e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0997b3f6555079015e4c41eb80f0900c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_28f6ddd17b3ab83da8d8b1552b75049c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_819191bd6f9e446c355c24950418ff7a |
| publicationDate | 2001-06-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2001163873-A |
| titleOfInvention | Purification method of episulfide compound |
| abstract | PROBLEM TO BE SOLVED: To provide a purification method for improving the hue of an episulfide compound which is a raw material of a polysulfide cured resin having excellent optical properties and a very high refractive index. SOLUTION: The following formula (1) is contained in one molecule. (Wherein, R 1 , R 2 , and R 3 each represent a hydrocarbon group having 1 to 10 carbon atoms or a hydrogen atom). Or more of the episulfide compound having at least one episulfide compound in an organic solvent inert to the compound, and having a D / L value (D: column diameter, L: column length) in the range of 0.1 to 2.0, and a solution in a column system. Silica gel treatment with a retention time of 2 hours or less, Alternatively, after treating with activated carbon using activated carbon for absorbing OH bodies such as saccharides, the solvent is distilled off to obtain an episulfide compound in which specific impurities have been removed and the hue has been improved. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7354989-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4599038-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2004315458-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2010122701-A |
| priorityDate | 1999-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 125.