发明名称 COLOR-DEVELOPING SHEET FOR PRESSURE SENSITIVE COPYING
摘要 PROBLEM TO BE SOLVED: To provide a color-developing sheet for pressure sensitive copying wherein printing intensity can be improved without deteriorating color-developing properties. SOLUTION: In the color-developing sheet for pressure sensitive copying, a color-developing agent layer contains 0.5-1.5 parts polyacrylamide copolymer with respect to 100 parts pigment.
申请公布号 JP2002137540(A) 申请公布日期 2002.05.14
申请号 JP20000333086 申请日期 2000.10.31
申请人 NIPPON PAPER INDUSTRIES CO LTD 发明人 WATANABE MASAYUKI;NAGAI TATSUO;KUROYAMA YOSHIHIRO
分类号 B41M5/132;B41M5/155 主分类号 B41M5/132
代理机构 代理人
主权项
地址
您可能感兴趣的专利