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    • 2. 发明公开
    • COLOR-RETAINING EXCESS-TEMPERATURE EXPOSURE INDICATOR
    • FARBBEIBEHALTUNGS-ÜBERTEMPERATURBELICHTUNGSINDIKATOR
    • EP2059777A4
    • 2011-08-10
    • EP07814450
    • 2007-08-27
    • TEMPTIME CORP
    • ABBASSI OMARPRUSIK THADDEUSSMITH DAWN E
    • G01K11/00G01K3/04
    • G01K11/06G01K3/04
    • An excess temperature indicator can provide a visual indication of past exposure of perishable, maturing and other host products to an elevated temperature exceeding a threshold temperature. The indicator can have an upper layer provided with a viewing window and a wick attached to the upper layer. A reservoir of heat-fusible indicator material can be disposed in contact with the wick, to fuse and move along the wick changing the visual appearance of a first portion of the wick viewable through the window, in response to an excess temperature event. Also, the indicator can have a region of fused upper layer material attaching the wick to the upper layer. Optionally, a window seal can extend around the viewing window to prevent migration of the indicator material. The indicator can be employed to monitor vaccines, foods and other products providing an enduring visual signal of exposure to potentially damaging temperature conditions.
    • 过温度指示器可以提供易腐烂,成熟和其他主体产品过度暴露于高于阈值温度的高温的视觉指示。 指示器可以具有设置有观察窗口的上层和附接到上层的灯芯。 热熔指示剂材料的储存器可以布置成与芯子接触,以便响应于过度的温度事件而沿着芯芯熔化并移动,以改变可通过窗口观察的芯的第一部分的视觉外观。 此外,指示器可以具有将油芯附着到上层的熔融上层材料的区域。 可选地,窗口密封件可以围绕观察窗口延伸以防止指示剂材料的迁移。 该指标可用于监测疫苗,食品和其他产品,提供暴露于潜在有害温度条件的持久视觉信号。
    • 3. 发明公开
    • FREEZE INDICATOR EMPLOYING LIGHT SCATTERING AND METHOD OF MAKING SAME
    • EINFRIERINDIKATOR MIT LICHTSTREUUNG UND VERFAHREN ZUR HERSTELLUNG DAVON
    • EP2885615A4
    • 2016-03-16
    • EP13830029
    • 2013-08-16
    • TEMPTIME CORP
    • SMITH DAWN EHUFFMAN BRIAN STAYLOR DENE H
    • G01K11/12G01K3/04
    • G01K11/12G01K3/04
    • A freeze indicator including an indicator dispersion is described herein. Such an indicator dispersion can include: a liquid medium and particles of a colored indicator agent dispersed in the liquid medium. The colored indicator agent particles having an inherent color; wherein the indicator dispersion exhibits the inherent color of the colored indicator agent particles after freezing and is configured to have a less colored appearance before freezing and wherein light scattering masks the inherent color of the colored indicator agent particles before freezing. Some indicator dispersions can be free of color-changing chemical co-reactants. These freeze indicators can be small, have a low cost, and have a simple configuration.
    • 本文描述了包括指示剂分散体的冷冻指示剂。 这种指示剂分散体可以包括:液体介质和分散在液体介质中的着色指示剂颗粒。 具有固有颜色的着色指示剂颗粒; 其中所述指示剂分散体在冷冻后显示着色指示剂颗粒的固有颜色,并且被构造成在冷冻之前具有较少着色的外观,并且其中光散射在冷冻之前遮蔽着色指示剂颗粒的固有颜色。 一些指示剂分散体可以没有颜色变化的化学共反应物。 这些冻结指标可以很小,成本低,配置简单。