| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5929f2d6f4dba84be8dd3a8ba633db12 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P37-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-22 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-41
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P37-08 |
| filingDate |
1976-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1980-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c433e813f356927c2af06e45ff73f474
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b7ef2dfcf2a6b4130683d11ecbb21ab1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6c5c763230c9b60afe3990057d98b6e5 |
| publicationDate |
1980-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1069511-A |
| titleOfInvention |
Chromone derivatives |
| abstract |
Abstract The present invention relates to novel chromone derivatives having effective antiallergic action with low toxicity, which are shown by the following formula (I) wherein R is hydrogen or lower alkyl and A is (R' is hydrogen or lower alkyl) or , and their physiologically acceptable salts. |
| priorityDate |
1975-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |