| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_97a285d8ecd0184a7e5d89a1e4e07997 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D473-40 |
| filingDate |
1981-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8d7cc80072f1115da312c7950d91fc42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6cbbf180cc068f52056ad40c6c9219c5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c9a2dc1726a7f02b435f72aa9623b7af
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b6e6a20e4310f02f4dd5d63c4842c095
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_99b3c57942cfc10a4fa77a1c6116eff2 |
| publicationDate |
1981-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1109872-A |
| titleOfInvention |
Purine derivatives |
| abstract |
Pharmaceutical Compounds Abstract of the Disclosure Purine derivatives of the formula wherein R is C1-C6 alkyl and R1 is or and their pharmaceutically acceptable acid addition salts are non-adrenergic bronchodilators. This divisional specification relates particularly to an intermediate compound for the production of these compounds, namely II |
| priorityDate |
1978-05-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |