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2. 发明授权

US4854332A Cigarette having thermochromogenic portions thereon 失效
标题翻译：其上具有热致变色部分的香烟
公开(公告)号：US4854332A
公开(公告)日：1989-08-08
申请号：US70229
申请日：1987-07-06
申请人： Niichi Hanakura
发明人： Niichi Hanakura
IPC分类号： A24D1/02
CPC分类号： A24D1/02 , A24D1/025
摘要： A cigarette having thereon a reversible thermochromogenic portion which changes color at a temperature in the range of about 40.degree.-80.degree. C. on the surface except the free end area which makes contact with lips of a smoker, the portion including a thermochromogenic composition which comprises:(a) an electron donating organic compound as a chromogenic compound;(b) an aromatic compound having at least one phenolic hydroxyl, or at least one carboxyl connected directly to the aromatic nucleus, or both, or an metal salt of these, as a color developer; and(c) a desensitizer which melts at a temperature in the range of about 40.degree.-80.degree. C.Said thermochromogenic composition changes color reversibly at a temperature at or near the temperature at which the desensitizer melts.When one smokes deeply and strongly, the thermochromogenic portion or area provided on the surface of the cigarette apart from the lighted end reaches a temperature at which the desensitizer melts, the portion or area changes color, or gives a visual warning, to let the smoker know that his smoking might be hazardous to his health.
摘要翻译：一种香烟，其上具有可逆的热致变色部分，其在与吸烟者的嘴唇接触的自由端区域之外的表面上在大约40-80℃的温度范围内变色，该部分包括热致变色组合物，包括：（a）作为显色化合物的给电子有机化合物; （b）具有至少一个酚羟基或至少一个直接与芳环相连的羧基或两者的芳族化合物或其金属盐作为显色剂; 和（c）在约40℃-80℃范围内的温度下熔化的脱敏剂。所述热致变色组合物在脱敏剂熔化或接近温度的温度下可逆地改变颜色。当一个人深吸一口地抽烟时，设在烟嘴表面的热致发色部分或区域与发光端分开，达到脱敏剂熔化的温度，部分或面积变色，或者给出视觉警告，让吸烟者知道他的吸烟可能对他的健康有害。

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