| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bb0a7b16a31bf7bc8b903ed8b717aab6 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C2001-03564 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C5-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C1-035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C1-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C8-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C5-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C8-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-26 |
| filingDate |
1968-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1972-01-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_76cccbf55495c18893dceeed83e142e0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4f8b1b52b45e5cff587811eec4067d57
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e6abf1f5bba045f12c6d5dfaa281171f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_273e6981b556350b8da289f3096573cb |
| publicationDate |
1972-01-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3637388-A |
| titleOfInvention |
Process for the photographic production of equidensities |
| abstract |
The production of areas of equal density in a photographic image by combining in a photographic material two silver halide emulsions in one or two layers, one of which emulsions is more soluble in photographic developer than the other emulsion but the more soluble emulsion is lower in speed than the less soluble emulsion and the less soluble emulsion is present in a much smaller proportion. After the photographic material is exposed it is developed in a bath having a silver halide developing compound and a silver halide solvent for the slower halide emulsion so that the faster less soluble emulsion is developed in the exposed area to yield a negative silver image and the slower silver halide emulsion is physically developed to yield a positive image and chemically developed to yield a negative image. The developed material is finally fixed. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4212936-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4373022-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3941595-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3779755-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4175967-A |
| priorityDate |
1967-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |