Novel merocyanine dyes
    5.
    发明授权
    Novel merocyanine dyes 失效
    新墨西哥染色体

    公开(公告)号:US3833566A

    公开(公告)日:1974-09-03

    申请号:US24829672

    申请日:1972-04-27

    申请人: EASTMAN KODAK CO

    发明人: JEFFREYS R MELLOWS S

    摘要: NOVEL METHINE DYES ARE PROVIDED IN WHICH ONE TERMINAL CARBON ATOM OF THE METHINE CHAIN OF THE DYE HAS TWO GROUPS ATTACHED THERETO, SAID GGROUPS BEING SELECTED FROM A DIALKYLAMINO GROUP, A DIARYLAMINO GROUP, AN ALKYLARYLAMINO GROUP, A MORPHOLINO GROUP, A THIOMORPHOLINO GROUP AND A PIPERIDINO GROUP; AND, THE OTHER TERMINAL ATOM OF THE METHINE CHAIN OF SAID DYE IS ATTACHED TO A HETEROCYCLIC NUCLEUS OF THE TYPE USED IN METHINE DYES. THE PREPARATION OF SUCH DYES, AND PHOTOGRAPHIC EMULSIONS CONTAINING THEM, ARE ALSO PROVIDED HEREIN.