发明名称 FORGERY-PROOF IMPRESSION-WRITING SUPPORT
摘要 1. Printing-writing support having a character of immediate fixation of the inks of ball-point pens called erasable by rubbing out or scratching, characterized in that it comprises a substrate associated, at least on the surface, with inorganic or organic products having an absorbent porter equivalent to an oil absorption at least equal to 150 g per hundred grams of these products, oil absorption measured in accordance with the method NFT 30022 (or ISO 787/5/1980).
申请公布号 DE3562104(D1) 申请公布日期 1988.05.11
申请号 DE19853562104 申请日期 1985.12.02
申请人 AUSSEDAT-REY 发明人 RIOU, CLAUDE;RAUX, LOUIS
分类号 B41M3/14;D21H21/46;(IPC1-7):D21H5/10 主分类号 B41M3/14
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