Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1997-05-09
1998-07-14
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430931, G03C 1815
Patent
active
057802149
ABSTRACT:
The light stability of a color photographic silver halide material is improved if, as UV protection, a) a TiO.sub.2 pigment having a primary particle diameter of 1 to 100 nm is added to one layer and b) a hydroxyphenylbenzotriazole compound and/or a hydroxyphenyltriazine compound is added to the same or a different layer of the material.
REFERENCES:
patent: 3833380 (1974-09-01), Crawford et al.
patent: 4563406 (1986-01-01), Ohbayashi et al.
patent: 5075206 (1991-12-01), Noda et al.
patent: 5462846 (1995-10-01), Yaneyama
patent: 5674668 (1997-10-01), Hagemann et al.
Industrial Inorganic Pigments, Gunter Buxbaum, Weinheim, N.Y., pp. 227-228.
Orbit Abstract of EP 0 609 533 (Aug. 10, 1994) and AU 9454833 (Aug. 4, 1994).
Hagermann Jorg
Schmuck Arno
Agfa-Gevaert AG
Schilling Richard L.
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