http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-632583-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_eb153e9351b42cf0e24b1fbff9c2cdf2 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C11C1-007 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11C1-00 |
| filingDate | 1946-11-27^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1949-11-28^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-632583-A |
| titleOfInvention | Improvements in or relating to methods of separating mixed fatty acids |
| abstract | In the separation of mixed fatty acids obtained from animal fat by solution in a solvent miscible with water and chilling, the water content of the solvent does not exceed about 15 per cent by weight thereof and the concentration of the mixed fatty acids in the solvent does not exceed about 30 per cent by weight of the solvent solution, the solution being chilled to a temperature sufficient to cause precipitation of crystals mainly of stearic and palmitic acid and the fatty acids remaining in the solvent being then recovered therefrom. The solution may be chilled in steps to obtain a first fraction richer in stearic acid and later fractions richer in palmitic acid, three steps being preferred and the intermediate step giving a eutectic mixture of stearic and palmitic acids. The fatty acid recovered from the solvent after the precipitations is usually oleic acid, also known as red oil. Water miscible polar solvents are preferred and methyl alcohol, ethyl alcohol, isopropyl alcohol and acetone are specified. The crystalline precipitates are preferably washed with the solvent maintained at a temperature of about that at which the crystals precipitated from the solution. The process may be applied to commercial stearic acid which is a mixture of stearic and palmitic acids. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-2489441-A1 |
| priorityDate | 1940-07-29^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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