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Packaging materials and packaging containers
Patent Name Packaging Material and Packaging Container Patent Applicant Toppan Printing Co., Ltd. Principal Applicant Address Inventor of Tokyo Metropolitan Government Yan Chuan Junyi; Xiang Tianmao Application (Patent) No. 03824692.9 Date of Application 2003.03.04 Award Date Approval Notice No. 1694835 Audit Notice Date 2005.11.09 Specification CD-ROM D0545 main classification number B65D65/16 classification number B65D65/16; B32B27/20 division Original application number Priority item 2002.8.27 JP 247728/2002 Abstract The present invention relates to a packaging container, which has a light-shielding The color ink layer formed in the printing layer (3), wherein the color ink used for the color ink layer contains a white-based pigment and a black-based pigment, and the black-based pigment is in the total amount of the pigment per 100 parts by weight of the color ink. The content reaches 3 to 5 parts by weight. The packaging container has suitable shading and light-shielding properties and there is no metal residue when incinerated. Sovereignty Claim 1. A packaging material comprising a light-shielding printing layer having a color ink layer formed of a color ink containing a white-based pigment and a black-based pigment, and wherein the color ink contains 100 parts by weight of the pigment per 100 parts by weight. The content of the black pigment in the amount is 3 to 5 parts by weight. International Application 2003-03-04 PCT/JP2003/002504 International Publication 2004-03-11 WO2004/020303 Date of entry into the country Patent agency Agency address of Yongxin Patent & Trademark Agency Co., Ltd. Agent Yu Hui
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