Method of protecting organic material from light

Details Method of protecting organic material from light Method of protecting organic material from light

2008-06-17

2008-06-17

Powers, Fiona T (Department: 1626)

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

C008S508000, C008S509000, C008S510000, C008S512000, C008S513000, C008S516000, C008S523000, C426S106000, C426S324000, C426S392000, C206S828000

Reexamination Certificate

active

07387646

ABSTRACT:
The present invention relates to a method of protecting organic material, especially from the pharmaceutical, food and nutrition sectors, from light, which method comprises applying to or incorporating in a carrier material a combination of the dye of formula (1) the dye of formula (2) and a UV absorber and, optionally, further dyes, and positioning the so-treated carrier material between the light source and the organic material to be protected

REFERENCES:
patent: 6171670 (2001-01-01), Sudo et al.
patent: 2004/0031109 (2004-02-01), Clement et al.
patent: 2004/0123403 (2004-07-01), Tzikas et al.
patent: 2004/0209981 (2004-10-01), Lazzari et al.
patent: 2006/0160933 (2006-07-01), Christensen
patent: 2 382 560 (2003-06-01), None
patent: WO-02/072707 (2002-09-01), None

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