发明名称 IMPROVEMENT IN SECURITY FEATURES FOR PAPER
摘要 The invention relates to improvements in security features in paper and in particular to a method of making paper and transparentising selected areas of paper to provide enhanced security features. The invention thus provides a method of making paper comprising the steps of depositing fibres (12) onto a support surface (13) to form a porous absorbent sheet (14), applying a transparentising resin to at least a portion of said porous sheet and subsequently impregnating the porous sheet with a sizing resin.
申请公布号 WO9509275(A1) 申请公布日期 1995.04.06
申请号 WO1994GB02015 申请日期 1994.09.16
申请人 PORTALS LIMITED;THE GOVERNOR AND COMPANY OF THE BANK OF ENGLAND;HOWLAND, PAUL;FURLEY, ROBERT, JOHN 发明人 HOWLAND, PAUL;FURLEY, ROBERT, JOHN
分类号 B42D15/10;B41M3/14;B42D15/00;D21H21/16;D21H21/26;D21H21/40;D21H23/00;D21H23/28;(IPC1-7):D21H23/28;B41M3/10 主分类号 B42D15/10
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