| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_03113ca7867e6f41f8ba00f9447545bf |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-40
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D11-0492
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D9-0004
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-47
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D9-0018
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-86 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-38 |
| filingDate |
2018-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9d3ff232ee7f55af23bdfe5e9a112460 |
| publicationDate |
2020-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3645503-A1 |
| titleOfInvention |
Process for the separation of long chain amino acids and dibasic acids |
| abstract |
The present invention relates to a long chain amino acid and a long chain dibasic acid separation process, comprising: (1) adding water and an extractant solvent to the aqueous suspension of acid hydrolysis of mixed amide derivatives to obtain an aqueous solution and an extractant phase; (2) separating the mixture of step (1) into an aqueous phase containing the acid salt of the long-chain amino acid and an alkylamine and an extractant phase containing the long-chain dibasic acid, short chain alkanoic acid and impurities; (3) neutralizing the aqueous phase of step (2) with a basic agent to obtain a crystalline suspension of the long-chain amino acid; (4) recovering the long-chain amino acid by solid-liquid separation to obtain an aqueous mother liquor; and (5) in the extractant phase of step (2), separating the long-chain dibasic acid, the short-chain alkanoic acid and the impurities. |
| priorityDate |
2017-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |