| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fa206d5abb07311badcc825b0af7ebbd |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-16 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-25 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-00 |
| filingDate |
2001-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2003-01-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85ad215655a4a53033974911dd8ed4bd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2d5b40218dcadd1d7bafa4b67b027dc1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ae63c4895937d332457290330366ccb6 |
| publicationDate |
2003-01-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6504043-B2 |
| titleOfInvention |
Color-stable solution of dimethylaminoacetonitrile in water and process for preparing it |
| abstract |
The present invention relates to a process for preparing a colour-stable, aqueous dimethylaminoacetonitrile solution from a formaldehyde source, dimethylamine and hydrocyanic acid, wherein the reaction mixture contains 2,4-diamino-6-phenyl-1,3,5-triazine(benzoguanamine) in a concentration of from 0.001 to 5% by weight, based on formaldehyde, prior to the reaction and the starting substances are used stoichiometrically or in a ratio of 0.98-1.02 mol of formaldehyde and 0.95-1.10 mol of dimethylamine per mol of hydrocyanic acid. The resulting product remains colour-stable without a further purification step even after prolonged storage. |
| priorityDate |
2000-03-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |