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Title:
SECURITIES
Document Type and Number:
Japanese Patent JP2013241014
Kind Code:
A
Abstract:

To provide securities in which presence of a forgery prevention means is hardly determined in a visual state, and for forgery, the forgery can be determined on the spot because a technique without using a special authenticity appraisal device as a forgery prevention technique for gift tickets, book coupons or the like out of securities, nor requiring plenty of time and labor for authenticity appraisal is desired.

In securities formed with watermarks, the watermarks are formed by transparent print ink containing stress luminescent particles and penetrating into a base material of the securities.


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Inventors:
SATO JUN
Application Number:
JP2013135635A
Publication Date:
December 05, 2013
Filing Date:
June 27, 2013
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B42D15/10; B41M3/06; B41M3/14; C09D11/02; C09K11/00; G03G21/04; C09K11/59; C09K11/67
Domestic Patent References:
JPH08183280A1996-07-16
JP2006036887A2006-02-09
JP3079156U2001-08-10
Attorney, Agent or Firm:
Hiromi Fujimasu
Keiko Fukamachi
Hideo Ito
Naoki Goto
Yusuke Ito
Hideyuki Tateishi



 
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