-
公开(公告)号:US4266018A
公开(公告)日:1981-05-05
申请号:US78622
申请日:1979-09-25
申请人: Shoji Ishiguro , Tadao Shishido , Takeo Sakai , Noboru Sasaki , Joji Nagaoka , Minoru Matsuki
发明人: Shoji Ishiguro , Tadao Shishido , Takeo Sakai , Noboru Sasaki , Joji Nagaoka , Minoru Matsuki
CPC分类号: G03C1/09
摘要: A silver halide photographic emulsion chemically sensitized by a sulfur compound of the formula: ##STR1## wherein R.sub.1 represents a 5-membered or 6-membered heterocyclic ring containing a nitrogen atom; R.sub.2 represents a hydrogen atom, a lower alkyl group, an allyl group, an aryl group, or an aralkyl group; and R.sub.3 has the same definition as R.sub.1 or R.sub.2 ; or R.sub.2 and R.sub.3 may join to form a heterocyclic ring; is disclosed.
摘要翻译: 由下式的硫化合物化学致敏的卤化银照相乳剂:其中R 1表示含有氮原子的5元或6元杂环; R2表示氢原子,低级烷基,烯丙基,芳基或芳烷基; R3与R1或R2具有相同的定义; 或者R 2和R 3可以连接形成杂环; 被披露。