| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bb0a7b16a31bf7bc8b903ed8b717aab6 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-3335
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B29-20 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B29-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-333 |
| filingDate |
1972-05-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1974-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3ae4a5ea2f3d509d149803a57e3aca16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e8897f2c3b74486ffb8257727d089ec
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b11fe24741825930f24537efbb4b56f7 |
| publicationDate |
1974-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3844795-A |
| titleOfInvention |
Silver halide photographic material containing azo masking couplers |
| abstract |
A light sensitive color photographic material having at least one silver halide emulsion layer which contains a red azo masking coupler of the following formula: WHEREIN R1, R2, R3 and R4 are as defined in the description, which red cyan coupler has advantageous properties with respect to suitable absorption dyes, efficient emulsifiability and excellent reactivity. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4141730-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4250251-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4250252-A |
| priorityDate |
1971-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |