Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-07-26
1999-08-17
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C09D 500
Patent
active
059394684
ABSTRACT:
Disclosed are jet ink compositions suitable for producing marks on objects that are invisible to the unaided eye and are visible only when excited by an exciting radiation comprising a solvent, a fluorescent colorant, a binder resin, and a plasticizer having a vapor pressure of about 15 mm Hg or less at 240.degree. C. Examples of suitable binder resins include an acrylic resin, a toluenesulfonamide resin, and a sulfonamide-formaldehyde resin. An example of a suitable plasticizer is o-butyl benzyl phthalate. The marks are blush resistant when exposed to water at 150.degree. F. and above for 5 minutes. Also disclosed is an improved method of identifying objects, the improvement comprising providing a blush resistant identifying mark using the inventive jet ink compositions. A system for identifying objects with a blush resistant identification mark is also disclosed.
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Michl Paul R.
Videojet Systems International Inc.
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