| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D247-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D233-32 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D247-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-10 |
| filingDate |
1989-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1990-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_47337aba0ff6d8142bc502d834b09c28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9797541535df12a8dbd416999e3197a2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8c5908c8b30b16bfb9b19c94958a74a |
| publicationDate |
1990-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4925940-A |
| titleOfInvention |
Preparation of cyclic N,N'-dimethylureas |
| abstract |
Cyclic N,N'-dimethylureas are prepared by catalytic hydrogenation of a cyclic urea which carries hydroxyl groups in the α-position to the two nitrogen atoms. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6492528-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6103898-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6096891-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100561566-B1 |
| priorityDate |
1988-01-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |