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    • 7. 发明申请
    • Time-temperature indicator based on valence isomerizations
    • 基于价态异构化的时间温度指标
    • US20070172951A1
    • 2007-07-26
    • US10587586
    • 2005-01-24
    • Yoav LevyDietrich Haarer
    • Yoav LevyDietrich Haarer
    • G01N31/00
    • C07D409/04C07D207/337C07D333/12C07D333/24C07D409/14C07D491/10C08K5/357G01N31/229
    • The present invention relates to a time temperature indicator comprising at least one indicator compound in a first isomeric form, which is converted into a second isomeric form of said indicator compound in a valence isomerization reaction without migration of an atom or chemical group attached to said indicator compound in a time and temperature dependent manner, wherein the formation of the second isomeric form is detectable by monitoring a physical characteristic of the indicator. The present invention also relates to a method of manufacturing such a time-temperature indicator comprising the steps of (a) embedding in or atop a matrix said indicator compound; and (b) inducing the formation of a metastable state of said embedded indicator compound.
    • 本发明涉及一种包含至少一种第一异构形式的指示剂化合物的时间温度指示剂,其在价态异构化反应中转化为所述指示剂化合物的第二异构形式,而不会附着在所述指示剂上的原子或化学基团的迁移 化合物,其中通过监测指示剂的物理特性可检测形成第二异构体形式的时间和温度依赖性方式。 本发明还涉及一种制造这种时间 - 温度指示剂的方法,包括以下步骤:(a)嵌入在所述指示剂化合物的基质中或顶部; 和(b)诱导所述嵌入的指示剂化合物的亚稳态的形成。
    • 10. 发明授权
    • Time temperature indicator
    • 时间温度指示器
    • US08968662B2
    • 2015-03-03
    • US13001049
    • 2009-06-15
    • Dietrich HaarerTal Gueta-NeyroudHusein Salman
    • Dietrich HaarerTal Gueta-NeyroudHusein Salman
    • G01D21/00G01K3/04
    • G01K3/04
    • The present invention is generally in the field of measuring and indicating techniques and relates to a time-temperature indicator and methods of manufacturing and use thereof. More specifically, the time-temperature indicator comprises at least one metal layer or metal containing layer, and in direct contact to the metal layer or to the metal containing layer at least one pad member affixed onto a pad carrier layer,wherein the pad member comprises a pad made of an absorbent material and a dopant medium, whereby the dopant medium comprises a liquid medium or a viscous medium or a viscoelastic medium which is doped with a dopant that destroys the metal/metal containing layers such as an acid, a base or a salt or a photolatent acid or a photolatent base.
    • 本发明通常在测量和指示技术领域中,并且涉及一种时间温度指示器及其制造和使用方法。 更具体地,时间 - 温度指示器包括至少一个金属层或含金属层,并且与金属层或金属含有层直接接触固定到衬垫载体层上的至少一个衬垫构件,其中衬垫构件包括 由吸收材料制成的垫和掺杂剂介质,由此掺杂剂介质包括液体介质或粘性介质或粘弹性介质,其掺杂有破坏含金属/金属的层的掺杂剂,例如酸,碱或 盐或光潜酸或光潜碱。