http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H04134047-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d50be8406161e92e9d8549ce58b275d6 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C29-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C31-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C59-01 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-47 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-487 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C29-86 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C55-21 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C55-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C55-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-675 |
| filingDate | 1990-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_53c1a322913c187526d131a5daa1dcad |
| publicationDate | 1992-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H04134047-A |
| titleOfInvention | Separation and recovery of omega-hydroxy fatty acid |
| abstract | PURPOSE: To separate an ω-hydroxy fatty acid by taking advantage of the difference in solubility of formed salt in water by treating a mixture of an ω-hydroxy fatty acid or an ester thereof, an α, ω-diol and a long-chain dibasic acid or an ester thereof in an aqueous solution of an alkali metal hydroxide. n CONSTITUTION: A mixture comprising three substances of an ω-hydroxy fatty acid shown by formula I (R 1 is H or alkyl; n is 8-16) or an ester thereof, an α, ω-diol shown by formula II and a long-chain dibasic acid shown by formula III (R 2 is H or alkyl) or an ester thereof is treated in an aqueous solution of an alkali metal hydroxide to give an alkali metal salt, a dialkali metallic salt of long-chain dibasic acid is extracted in a water phase, the other substances are precipitated as solid, subjected to solid-liquid separation and each substance is treated with a mineral acid and separated. Optionally, at a stage before the treatment with a mineral acid, the α, ω-diol is extracted with an organic solvent to separate and recover the three compounds shown by formula I to formula III, respectively. An ω-hydroxy fatty acid is useful as a raw material for macrocyclic lactones. n COPYRIGHT: (C)1992,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2434566-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8796492-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2011073994-A |
| priorityDate | 1990-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.