http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-402589-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_36c7e6417df7d3a93390112f3b4a70b5 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-215 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C55-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-215 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-31 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-43 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 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/C07C51-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-487 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C55-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate | 1997-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2000-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb5ad2442dd87d0b07d28f88acfe40e5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_65ce3f572d6e7f1ef27478e2bb8adcdf http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_67ee049cb6483b109bd08cd27f7e3c57 |
| publicationDate | 2000-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-402589-B |
| titleOfInvention | Method of processing reaction mixtures obtained from the oxidation of cyclohexane |
| abstract | Method of processing the reaction mixture obtained from the direct oxidation of cyclohexane to adipic acid with oxygen, in an organic solvent chosen from aliphatic carboxylic acids, preferably acetic acid and in the presence of a catalyst containing cobalt, manganese or a mixture of cobalt and manganese, characterized in that the said method includes: a distillation carried out at a temperature of from 25 DEG C to 250 DEG C and at an absolute pressure between 10 Pa and atmospheric pressure which makes it possible to separate out, on the one hand, a distillate comprising at least some of the most volatile compounds such as the unconverted cyclohexane, the organic solvent, cyclohexanone, cyclohexanol, cyclohexyl esters, lactones and water, and, on the other hand, the distillation residue comprising the diacids formed and the catalyst; at least some of the compounds distilled being recycled in a further oxidation reaction of cyclofexane to adipic acid, after at least partial elimination of the water contained therein the addition of water to the distillation residue in order to form an aqueous solution, the added water amount representing from 0.01 to 5 times the weight of the residue of distillation; crystallization of the adipic acid from the aqueous solution of the distillation residue. |
| priorityDate | 1996-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 75.