http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009137833-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e443fcd44793752f156437bbfd4c8603 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C29-128 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C31-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C29-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-065 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C27-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-96 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-04 |
| filingDate | 2006-11-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_69d2f0f4c83c44fb9e6a9e971338777f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e34d59af5a47dc7c52fc035bb7cf7516 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_690e02e943c5b090ca421d310d58ac55 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e8d7f2ee3c2146b7930c620740717c4d |
| publicationDate | 2009-05-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2009137833-A1 |
| titleOfInvention | Process for industrially producing dialkyl carbonate and diol |
| abstract | It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively with high selectivity and high productivity stably for a prolonged period of time through a reactive distillation system of taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column in which a catalyst is present, and carrying out reaction and distillation simultaneously in the column. Although there have been many proposals regarding processes for the production of the dialkyl carbonate and the diol through the reactive distillation method, these have all been on a small scale and short operating time laboratory level, and there have been no disclosures whatsoever on a specific process or apparatus enabling mass production on an industrial scale. According to the present invention, there is provided a specific continuous multi-stage distillation column having a specified structure, and a production process using this continuous multi-stage distillation column, according to which the dialkyl carbonate and the diol can be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively each with a selectivity of not less than 95%, preferably not less than 97%, more preferably not less than 99%, stably for not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours. |
| priorityDate | 2005-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 191.