×

Security of articles, goods, vehicles or premises

DC
  • US 5,605,650 A
  • Filed: 03/30/1994
  • Issued: 02/25/1997
  • Est. Priority Date: 06/27/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for detecting tampering, comprising applying to at least a portion of a surface of an object a composition comprising at least one fluorescent material and a solvent medium therefor, said solvent medium containing a volatile solvent and said composition being colorless, odorless and having no feel thereto upon application as a film to the surface of said object, and being capable of transfer from the surface of said object to another surface, anddirectly transferring said composition from said object to a person tampering therewith.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×