http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H04100898-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2cb72657cf0479385a9b5e655af1e16f |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11C3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11C1-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-587 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-48 |
| filingDate | 1990-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3801bf8bf97b548eedde4e6c24d14077 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_347a30290561fb82fcfb08dfcd8af2d9 |
| publicationDate | 1992-04-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H04100898-A |
| titleOfInvention | Fractionation of eicosatetraenoic acid and alcohol ester thereof |
| abstract | PURPOSE: To enhance the efficiency of fractionation by separating a fatty acid alcohol ester mixture from a compsn. comprising fatty acid alcohol esters and glycerin, isolating a highly unsatd. fatty acid alcohol ester mixture therefrom, and fractionating the mixture by liq. chromatography. n CONSTITUTION: A vegetable fatty oil is transesterified with a lower alcohol in the presence of an alkali or an acid to obtain a composition comprising a fatty acid alcohol ester mixture and glycerin. Then, 5-8 pts.wt. urea and 5-20 pts.wt. org. solvent are added to 1 pt.wt. the compsn. The whole mixture is made into a uniform soln. and allowed to stand for 1-25hr at 4-25°C to precipitate urea adducts of satd. fatty acid alcohol esters and unsatd. (degree of unsaturation up to 3) fatty acid alcohol esters. Stripping of the solvent from the filtrate gives a concentrate contg. a highly unsatd. fatty acid alcohol ester mixture, which is extracted with a nonaqueous org. solvent and water. Fractionation of the org. layer by liq. chromatography gives a product contg. eicosatetraenoic acid alcohol ester at a high concn. n COPYRIGHT: (C)1992,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H07278585-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20020028118-A |
| priorityDate | 1990-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.