Invention Grant
US08622436B2 Chemically reactive security ink, a method of use of such ink, and security documents incorporating such ink
有权
化学反应性安全油墨，使用这种油墨的方法，以及包含这种油墨的安全文件
- Patent Title: Chemically reactive security ink, a method of use of such ink, and security documents incorporating such ink
- Patent Title (中): 化学反应性安全油墨，使用这种油墨的方法，以及包含这种油墨的安全文件
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Application No.: US11754630Application Date: 2007-05-29
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Publication No.: US08622436B2Publication Date: 2014-01-07
- Inventor: Rajendra Mehta , Steven L. Yeager , Stephen D. Webendorfer
- Applicant: Rajendra Mehta , Steven L. Yeager , Stephen D. Webendorfer
- Applicant Address: US OH Dayton
- Assignee: The Standard Register Company
- Current Assignee: The Standard Register Company
- Current Assignee Address: US OH Dayton
- Agency: Dinsmore & Shohl LLP
- Main IPC: B42D15/10
- IPC: B42D15/10 ; B41M5/04 ; B41M3/14 ; B44F1/12 ; G09C3/10 ; C09D11/00
Abstract:
A document uses a chemically reactive security ink to facilitate security, making it more difficult to alter a genuine security document. The chemically reactive security ink masks a warning word or message on a security document. The hidden warning word or message is revealed when the document is subjected to chemical washing.
Public/Granted literature
Information query
