Stabilizers for color photography recording materials

Details Stabilizers for color photography recording materials Stabilizers for color photography recording materials

1988-09-29

1990-06-12

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430551, 430372, 430931, G03C 732

Patent

active

049332716

ABSTRACT:
Tetrahydrothiopyran compound of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X and n are as defined in claim 1, are effective stabilizers for dyes and dye couplers in photographic layers. In particular, they provide protection from damage by light. They are preferably used in combination with a phenolic antioxidant.

REFERENCES:
patent: 3253921 (1966-05-01), Sawdey
patent: 3533794 (1970-10-01), Ohi et al.
patent: 3935016 (1976-01-01), Nishimura et al.
patent: 4228235 (1980-10-01), Okonogi et al.
patent: 4452884 (1974-06-01), Leppard
patent: 4465765 (1984-08-01), Leppard et al.
patent: 4526864 (1985-07-01), Takada et al.
patent: 4558131 (1985-12-01), Leppard et al.

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