http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H01222789-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cebc9740ef706cde29e885504f274ffa |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12R1-40 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C327-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C325-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P41-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P11-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 |
| filingDate | 1988-02-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d945be6896644c116124c13b93bc27b6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_60850d5f920d8421842e36017f7e59d3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0b1a1927a0beb05dedfe996a308d2d8c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6d30548c4df018dc21822b21a8be46dd |
| publicationDate | 1989-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H01222789-A |
| titleOfInvention | Extraction of carboxylic acid derivative |
| abstract | PURPOSE: To efficiently and readily extract a carboxylic acid derivative, by treating an aqueous medium containing both the carboxylic acid derivative and biological ingredients with an organic solvent of a specified concentration at a specified pH to flocculate and remove the biological ingredients. n CONSTITUTION: Firstly, the pH value of an aqueous medium containing (A) a carboxylic acid derivative of formula I (R 1 is alkyl, aralkyl or aryl group; R 2 and R 3 are each H or alkyl group; n is 1 or 2) produced by e.g., biological asymmetric hydrolysis of a racemic carboxylic ester and (B) such biological ingredients as bacteria decomposed product, protein, nucleic acid or the like is adjusted to ≤5. Thence, said aqueous medium is incorporated with an organic solvent such as a halogenated hydrocarbon, alcohol or ester so that the concentration is at or below the saturated solubility for said aqueous medium to flocculate the biological ingredients. Said biological ingredients are then removed, and the resultant aqueous medium is spiked with an organic solvent, thus extracting the objective carboxylic acid derivative. n COPYRIGHT: (C)1989,JPO&Japio |
| priorityDate | 1988-02-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419538410 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID702 |
Total number of triples: 21.