Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2005-08-02
2005-08-02
Green, Anthony J. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S493000, C106S499000, C534S573000, C534S581000
Reexamination Certificate
active
06923856
ABSTRACT:
A process for the preparation of organic pigments with enhanced fluorescence, which process comprises treating said pigments with a surfactant, and to the fluorescent organic pigments obtained by said process. The pigments according to the present invention can be used in marking applications, wherein durable fluorescence is required.
REFERENCES:
patent: 4508650 (1985-04-01), Tokoli et al.
patent: 4927466 (1990-05-01), Hays
patent: 5440060 (1995-08-01), Uhrig et al.
patent: 5716445 (1998-02-01), Stirling et al.
patent: 5800609 (1998-09-01), Tuck et al.
patent: 5863459 (1999-01-01), Merchak et al.
patent: 5889162 (1999-03-01), Hays
patent: 5904878 (1999-05-01), Merchak et al.
patent: 6683124 (2004-01-01), Webster
patent: 0585812 (1994-03-01), None
patent: 0758004 (1997-02-01), None
patent: 0790282 (1997-08-01), None
CAS Registry No. 5468-75-7, “Pigment Yellow 14” (no date).
CAS Registry No. 15541-56-7, “Pigment Yellow 12” (no date).
CAS Registry No. 14569-54-1, “Pigment Yellow 63” (no date).
CAS Registry No. 6505-28-8, “Pigment Orange 16” (no date).
Fraser Iain Frank
Macpherson Ian Alexander
Wilson Sharon Kathleen
Ciba Specialty Chemicals Corporation
Green Anthony J.
Loggins Shiela A.
LandOfFree
Method of improving pigment fluorescence does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of improving pigment fluorescence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of improving pigment fluorescence will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3517153