http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9776948-B2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_90a13a78cc4dea6641d5cc7ffef73053 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-009 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-30 |
| filingDate | 2014-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4e98d6e26ffc1b55aff8003ed94b4a9b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_57cb2bd803724e79df631704214dd453 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9104c030cabd842b5c84cd34f5c35544 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bdf8f9625a46b21caa8c3a6a2f82a2a4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_37419fb33f3f706b98b5db352f5068c9 |
| publicationDate | 2017-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-9776948-B2 |
| titleOfInvention | Process for the preparation of succinic acid ester |
| abstract | A process for production of dialkyl succinate from bio-succinic acid feedstock where solid bio-succinic acid is fed to a reactor to react with alkanol by autocatalytic esterification. Products from the reactor including unreacted succinic acid, mono alkyl ester, dialkyl ester, alkanol, water and impurities are sent to a reaction distillation column for esterification of succinic acid and further esterification of mono alkyl ester with upflowing alkanol. The bottoms products from the reaction distillation column including residual succinic acid, mono alkyl ester, dialkyl ester, impurities and alkanol are sent to a bottoms stream separation zone where di-alkyl ester is separated from alkanol, succinic acid, mono alkyl ester and impurities. The tops products from the reaction distillation column including alkanol, water and organic components are sent to a top stream distillation zone where alkanol is separated from water and organic components. The organic components are recycled to the reaction zone column. |
| priorityDate | 2013-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 100.