发明授权
US3669672A Supersensitized silver halide photographic emulsion 失效
超强度银色摄影乳液

Supersensitized silver halide photographic emulsion
摘要:
A SPECTRALLY SENSITIZED SILVER HALIDE PHOTOGRAPHIC EMULSION, HAVING IMPROVED SENSITIVITY IN THE RED-SENSITIVE REGION, YET NO INCREASE IN FOGGING, COMPRISING A COMBINATION OF A PENTAMETHINECYANINE-TYPE DYE AND AN AROMATIC HETEROCYCLIC COMPOUND HAVING A THIO-KETO STRUCTURE IS DISCLOSED.
信息查询
0/0