| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_663cad2cddb9415ae5ba8d9c99803cda |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C1-4853 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-485
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B23-00 |
| filingDate |
1977-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1979-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8012cce6a9c8d770c88f7dd60f7d8057
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e48d1578d068f05814549e9c8e847023
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_12a3274f2eb84014dfee4c72d39a74ee |
| publicationDate |
1979-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4147554-A |
| titleOfInvention |
Direct-positive photographic silver halide emulsion |
| abstract |
Direct-positive photographic silver halide emulsion which contains a dye having a 5,6-dihydropyrrolo[2,1-a]isoquinoline ring is disclosed. Said emulsion has a high speed, produces high contrast images, has no color stain with any remaining dye after processing and causes only small depression in the maximum density. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5723617-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4701398-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0780443-A3 |
| priorityDate |
1976-04-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |