发明名称 |
CARBON DIOXIDE GAS INDICATOR AND PACKAGE PROVIDED WITH CARBON DIOXIDE GAS INDICATOR |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily confirm the occurrence of pin holes and defective seal. <P>SOLUTION: This carbon dioxide gas indicator using an ink composition for detecting carbon dioxide gas containing one or more types of pH indicators, a binder, and a solvent and capable of easily observing the change of coloration of an indication part by the concentration of carbon dioxide gas and a carbon dioxide gas permeable plastic container for chemicals in which a bicarbonate-containing chemical is contained are packaged, replaced with gas, in the atmosphere of carbon dioxide gas. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
申请公布号 |
JP2007333742(A) |
申请公布日期 |
2007.12.27 |
申请号 |
JP20070191395 |
申请日期 |
2007.07.23 |
申请人 |
OTSUKA PHARMACEUT FACTORY INC;TOPPAN PRINTING CO LTD |
发明人 |
YUYAMA KOHEI;OKA MINORU;HONDA HIROSHI;HAMAZAKI ARATA;OCHIAI SHINYA;SASAKI YASHI;MIZUMA HIROYUKI |
分类号 |
G01N31/00;A61J1/14;B65D81/20;G01M3/20;G01N31/22 |
主分类号 |
G01N31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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