UV-stabilised particles

Details UV-stabilised particles UV-stabilised particles

2003-06-23

2009-08-25

Kiliman, Leszek (Department: 1794)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S404000, C428S405000, C428S406000, C428S407000, C106S415000, C106S418000, C106S430000, C106S435000, C106S481000, C106S499000

Reexamination Certificate

active

07579079

ABSTRACT:
The present invention relates to UV-stabilised particles which are distinguished by the fact that they reflect or absorb light having wavelengths of from 290 to 500 nm. The invention furthermore relates to a process for the production of the particles according to the invention and to the use thereof in surface coatings, water-borne coatings, powder coatings, paints, printing inks, security printing inks, plastics, concrete, in cosmetic formulations, in agricultural sheeting and tent awnings, for the laser marking of papers and plastics, as light protection, and for the preparation of pigment compositions and dry preparations.

REFERENCES:
patent: 5563242 (1996-10-01), Winter et al.
patent: 6176918 (2001-01-01), Glausch et al.
patent: 6686046 (2004-02-01), Schauer et al.
patent: 9047215 (1997-11-01), None
patent: 5239352 (1998-03-01), None
Database WPI Section Ch, Week 199717 Derwent Publications Ltd., London, GB: AN 1997-186921 XP002259724.
Database WPI Section Ch, Week 199342 Derwent Publications Ltd., London, GB; AN 1993-331582 XP002259725.

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