| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d9cb217f83556ce2a418344c2d485415 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C255-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11B3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-19 |
| filingDate |
1975-01-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1976-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1adfcf933d03f7c56a765ca97a013abb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a7bcae8993b6bf3488f8c5b1cf4be43a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4e7459d93d2dae25fcc145876f658c27 |
| publicationDate |
1976-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3994942-A |
| titleOfInvention |
Method for purifying 11-cyano-undecanoic acid |
| abstract |
11-cyano-undecanoic acid having a high purity of 99% or more is obtained by the steps of dissolving a crude 11-cyano-undecanoic acid in the form of free acid or its ammonium salt into a mixture solvent consisting of acetic acid or propionic acid and water in a mixing ratio by weight of 1 : 0.05 to 3; bringing a refining gas containing therein ozone into contact with said solution in order to decompose impurities, especially, coloring substances in said solution, and; crystallizing and separating the purified 11-cyano-undecanoic acid from said solution. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4165328-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2014072641-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4228081-A |
| priorityDate |
1974-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |