Security paper and its production专利检索- 特殊类型的纸例如:钞票专利检索查询-专利查询网

Security paper and its production
申请号	JP7792591	申请日	1991-04-10	公开(公告)号	JPH04222297A	公开(公告)日	1992-08-12
申请人	James River Corp:The;			发明人	RICHIYAADO DABURIYUU DETORITSU; ROBAATO PATAASON; KIMU DABURIYUU ROBINSON;
摘要	PURPOSE: To provide a security paper having authentication indicia imperceptible in reflected light but detectable in transmitted light or by other means. CONSTITUTION: This security paper comprises a 1st paper layer having both inner and outer surfaces, a 2nd paper layer having both inner and outer surfaces, and authentication indicia printed on the inner surface of at least one of the above layers; wherein the respective inner surfaces of the above paper layers are laminated with each other so as to situate the authentication indicia therebetween and form a laminate substantially imperceptible in the reflected light of visible wavelengths.
权利要求
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