Security of articles, goods, vehicles or premises
DCFirst Claim
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.
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Accused Products
Abstract
A method is disclosed 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 for the fluorescent material, the solvent medium containing a volatile solvent, and the composition being colorless, odorless and having no feel upon application as a film to the surface of the object, and being capable of transfer from the surface of the object to another surface; and directly transferring the composition from the object to a person tampering with the object.
23 Citations
21 Claims
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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, and
directly transferring said composition from said object to a person tampering therewith.
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21. A composition for detecting tampering comprising 0.1 to 20% of a fluorescent oxazinone compound in aqueous suspension stabilized by an anionic surfactant and in the presence of a polymer latex, said composition being colorless, odorless and having no feel thereto, and being capable of transfer from one surface to another.
Specification