POLYMORPHIC FORMS OF N-(4-((4-(3-PHENYLUREIDO)PHENYL)SULFONYL)PHENYL)BENZOLSULFONAMIDE

    公开(公告)号:US20220363629A1

    公开(公告)日:2022-11-17

    申请号:US17779947

    申请日:2020-11-30

    申请人: KOEHLER PAPER SE

    IPC分类号: C07C317/42 B41M5/333

    摘要: The present invention relates to an N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ω18.9, characterised by an x-ray powder diffractogram having the Bragg angles (2θ/CuKα) 10.9, 11.7, 14.6, 15.0, 15.8, 16.6, 17.6, 18.9, 19.4, 20.9, 21.2, 22.0, 23.3, 24.4, 24.7, 26.1, 27.4, 29.4, 34.2,
    or in the polymorphic form α21.2, characterised by an x-ray powder diffractogram having the Bragg angles (2θ/CuKα) 8.7, 9.8, 10.8, 13.2, 13.9, 14.9, 15.2, 16.0, 17.4, 17.7, 18.7, 20.4, 21.2, 21.6, 22.3, 23.0, 23.3, 23.9, 24.4, 25.0, 25.8, 26.6, 28.1, 28.9, 29.4, 30.1, 30.6, 31.8, 34.5, 35.3, 35.6, 36.9, a method for production thereof, use thereof as a colour developer in a heat-sensitive recording material, and a heat-sensitive recording material comprising N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ω18.9 or in the polymorphic form α21.2.