2(5h)-furanone compounds
    4.
    发明授权
    2(5h)-furanone compounds 失效
    2(5H) - 呋喃酮化合物

    公开(公告)号:US3661899A

    公开(公告)日:1972-05-09

    申请号:US3661899D

    申请日:1970-06-01

    申请人: EASTMAN KODAK CO

    IPC分类号: G03C1/815 C09B23/00 C07D5/10

    CPC分类号: G03C1/8155

    摘要: CERTAIN 2(5H)-FURANONE COMPOUNDS ARE DESCRIBED AND CLAIMED. THESE COMPOUNDS, DEPENDING ON THEIR PARTICULAR STRUCTURE, ARE TEXTILE DYES, SENSITIZERS FOR ORGANIC PHOTOCONDUCTORS IN ELECTROPHOTOGRAPHY, ULTRAVIOLET ABSORBERS, FOR EXAMPLE, FOR LINEAR CONDENSATION POLYMERS OR USEFUL FOR THE HEAT STABILIZATION OF POLYESTERS, SUCH AS POLY(ETHYLENE TEREPHTHALATE). SOME OF THE COMPOUNDS HAVE MORE THAN ONE OF THE UTILITIES JUST MENTIONED. 3-CYANO-5ORTHONITROBENZYLIDENE - 4 - PHENYL - 2(5H) - FURANONE AND - 3 - CYANO-5-DIMETHYLAMINOMETHYLIDENE-4-PHENYL-2(5H)-FURANONE ARE ILLUSTRATIVE OF 2(5H)-FURANONE COMPOUNDS.