FLUORESCENT INKS NAMELY

Brand	Owner	Address	Description
RADIANT	DAY-GLO COLOR CORP.	4515 St. Clair Avenue Cleveland OH 44103	FLUORESCENT INKS-NAMELY, SILK SCREEN, LETTER-PRESS AND ROTOGRAVURE FLUORESCENT, PHOSPHORESCENT OR LUMINOUS INKS;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Water-soluble, photosensitive, optically variable (POV) inks exhibit improved OCR readability due to improved infrared absorption properties. The inks can produce images that can be viewed with both visible and ultraviolet light to have physically coincident positive and negative images. The new inks contain at least two types of colorants in addition to the IR absorber and other suitable ingredients. The first colorant comprises a fluorescent dye or pigment emitting light within a characteristic emission band when excited by fluorescent-exciting radiation. The second colorant comprises a carbon black infrared radiation absorbing composition alone or with one or more dyes or pigments having a light absorption band at longer wavelengths than the characteristic emission band of the first colorant or also overlapping the emission wavelength of the first colorant in such a way as to result in a dark color. The inks are formulated to provide higher contrast in the presence of IR radiation while retaining a strong negative correlation between the visible and fluorescent images.