| 发明名称 |
SPOILAGE INDICATING DEVICE FOR FOOD CONTAINERS |
| 摘要 |
A spoilage indicating device for food containers, wherein the device provides a visual indication of bacterial spoilage of a food product stored in the container, the device having a pH-responsive indicator in contact with the product through a semi-permeable membrane porous only to ion containing water molecules of the product.
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| 申请公布号 |
CA2184677(A1) |
申请公布日期 |
1997.03.05 |
| 申请号 |
CA19962184677 |
申请日期 |
1996.09.03 |
| 申请人 |
GOMARIZ, ANTONIO JUAN MANUEL |
发明人 |
GOMARIZ, ANTONIO JUAN MANUEL |
| 分类号 |
B65D25/00;B65D85/00;B65D85/72;B65D85/80;G01N21/78;G01N21/80;(IPC1-7):B65D85/80 |
主分类号 |
B65D25/00 |
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