Co-milling organic pigments with fumed silica

Details Co-milling organic pigments with fumed silica Co-milling organic pigments with fumed silica

2011-07-12

2011-07-12

Cheung, William K (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C428S411100

Reexamination Certificate

active

07977425

ABSTRACT:
A pigment composition comprising an intimate mixture of an organic pigment and fumed silica is prepared which exhibit improved coloristic characteristics including excellent chroma, color strength and enhanced color flop when incorporated into in polymeric systems, such as plastics or surface coatings, for example inks and paints. Also provided are coating compositions and plastic articles that are pigmented with a tinctorially effective amount of the inventive pigment composition. A particular embodiment of the invention relates to pigments useful in automotive coatings.

REFERENCES:
patent: 3663285 (1972-05-01), Graf et al.
patent: 4405729 (1983-09-01), Schweitzer
patent: 4704295 (1987-11-01), Porter et al.
patent: 5618343 (1997-04-01), Hendi et al.
patent: 5633108 (1997-05-01), Christy et al.
patent: 5667580 (1997-09-01), Bäbler
patent: 5997627 (1999-12-01), Babler
patent: 6613832 (2003-09-01), Friel et al.
patent: 7122081 (2006-10-01), He et al.
patent: 2004/0194666 (2004-10-01), Hendi
patent: 2027341 (1980-02-01), None
patent: 93/24565 (1993-12-01), None
Anonymous: “Composition and process for forming visual images” (T. A. Jadwin, J. W. Consaul, C. E. Cowan); Research Disclosure, Mason Publications, Hampshire, GB (1977).

Affiliated with

Also associated with

Rating

Co-milling organic pigments with fumed silica does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Co-milling organic pigments with fumed silica, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Co-milling organic pigments with fumed silica will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2737967