Photographic material stabilised against the deleterious effects of ultraviolet radiation
Abstract
Abstract 1. SILVER HALIDE PHOTOGRAPHIC MATERIAL OR PROCESSED MATERIAL OBTAINED THEREFROM WHICH COMPRISES, IN AT LEAST ONE LAYER ON A SUPPORT, AS A STABILISER AGAINST THE DELETERIOUS EFFECTS OF ULTRAVIOLET RADIATION, A 2''-HYDROXY-2,4,6-TRIPHENYL-1,3,5-TRIAZINE FREE FROM SULPHONIC ACID GROUPS AND HAVING THE FORMULA 2-(HO-(4-((HOOC-H2PCP-O)(Q-1)-(R25)(2-Q)-),6-((H)(Q-1) (R24)(2-Q)-)-1,2-PHENYLENE)-),4-(HO-(4-(HOOC-H2PCP-O-)- 1,2-PHENYLENE)-),6-(R23-(R22-1,4-PHENYLENE-)-S-TRIAZINE WHERE P IS AN INTEGER BETWEEN 1 AND 10, Q IS 1 OR 2, R22 AND R23 ARE EACH A HYDROGEN OR CHLORINE ATOM OR AN ALKYL GROUP WITH 1 TO 4 CARBON ATOMS, AND R24 AND R25 ARE EACH A HYDROGEN ATOM OR AN ALKYL GROUP WITH 1 TO 4 CARBON ATOMS.
Inventors
- 👤 B Piller
- 👤 H Biland
- 👤 C Luthi
- 👤 M Meier
- 👤 M Dunnenberger
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
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