发明名称 PAPER INCLUDING WATERMARKS AND/OR EMBOSSINGS
摘要 The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides joined at said corners, wherein corner reinforcing watermarks are provided at each of said corners. Alternatively, or in addition, corner reinforcing embossings are provided at each of said corners.
申请公布号 KR20100019543(A) 申请公布日期 2010.02.18
申请号 KR20097027385 申请日期 2002.11.26
申请人 DE LA RUE INTERNATIONAL LIMITED 发明人 PEARSON NICHOLAS GEORGE;HOWLAND PAUL
分类号 D21H27/14;B42D15/00;D21F1/44;D21H19/36;D21H21/40 主分类号 D21H27/14
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