Compositions – Organic luminescent material containing compositions – Optical brightening compositions
Reexamination Certificate
2011-03-29
2011-03-29
Koslow, C. Melissa (Department: 1734)
Compositions
Organic luminescent material containing compositions
Optical brightening compositions
C252S301160, C252S301350, C252S965000, C546S037000, C428S690000, C250S473100, C106S031640, C106S031770
Reexamination Certificate
active
07914703
ABSTRACT:
Certain poly(oxyalkylene) colorants are disclosed along with method of preparation thereof. A method of using these colorants as fluorescent security taggants is also disclosed.
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Cook Ewell
DeRussy Don
Gloster Daniel F.
Postle Stephen
Romanova Tatiana
Koslow C. Melissa
Kramer Levin Naftalis & Frankel LLP
Sun Chemical Corporation
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