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
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