The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 2012
Filed:
Aug. 08, 2008
Kuk-hwan Kim, Daejeon, KR;
Yang-kyu Choi, Daejeon, KR;
Oktay Yarimaga, Daejeon, KR;
Hyun Gyu Park, Daejeon, KR;
Tae Won Kim, Daejeon, KR;
Yun Kyung Jung, Daejeon, KR;
Kuk-Hwan Kim, Daejeon, KR;
Yang-Kyu Choi, Daejeon, KR;
Oktay Yarimaga, Daejeon, KR;
Hyun Gyu Park, Daejeon, KR;
Tae Won Kim, Daejeon, KR;
Yun Kyung Jung, Daejeon, KR;
Abstract
The present invention relates to a counterfeit prevention paper and manufacturing method thereof, and more particularly to currency, securities, official document and several certificates, etc. The counterfeit prevention paper according to the present invention comprises a paper and a thermopaint layer which is formed on a paper and is discolored according to a temperature. The counterfeit prevention paper according to the present invention can detect easily a counterfeit by an unaided eye. Also, a function for preventing a counterfeit is not copied by a counterfeit device, thus the counterfeit prevent paper according to the present invention can improve a reliability of various official documents and several certificates, etc.