Fluorescent composition for marking non-porous objects

Details Fluorescent composition for marking non-porous objects Fluorescent composition for marking non-porous objects

2005-09-27

2005-09-27

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions with organic...

C252S301350, C523S160000, C523S161000, C524S563000

Reexamination Certificate

active

06949205

ABSTRACT:
A composition for a fluorescent marking paste or paint that is non-toxic, water soluble, clear drying and safe for nonporous surfaces is disclosed. The invention is composed of a generic white school paste or any other water soluble, non-toxic, clear drying paste or cement to which non-toxic fluorescent or phosphorescent colorant particles and water are added. The consistency of the resultant mixture is either a paste for making an impression or a paint for applying to a non-porous object using a brush, and the paste or paint, when dry, is clearly visible under UV light. Unique identifying marks such as identifying stamps, actual fingerprints, or numbers may be placed on any nonporous object that can be safely cleaned with a damp cloth. This invention provides a safe marking system for allowing e-commerce sellers to prevent buyer fraud or for allowing owners to identify possessions for inventory and insurance purposes. The identifying mark may be deliberately removed by the owner without causing any harm or damage to the object.

REFERENCES:
patent: 1348904 (1920-08-01), Smith
patent: 3490935 (1970-01-01), Danberg
patent: 3640889 (1972-02-01), Stewart
patent: 6127518 (2000-10-01), Columbus et al.

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