Anti-halation layers and filter-layers for photographic light sensitive materials

Claim 1

A PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND COATED ON SAID SUPPORT A SILVER HALIDE EMULSION AND AN ANTIHALATION LAYER COLORED BY A COLORED STYRYL COMPOUND HAVING A FORMULA SELECTED FROM THE CLASS CONSISTING OF: WHEREIN A AND B ARE SELECTED FROM THE CLASS OF RADICALS THAT ACTIVATE THE C TO WHICH THEY ARE ATTACHED, SAID CLASS CONSISTING OF (1) -CN, (2) MONOVALENT STRUCTURES HAVING A CARBONYL GROUP DIRECTLY LINKING A RADICAL TO THE C TO WHICH THE A AND B ARE ATTACHED, (3) RADICALS WHICH WITH THE C TO WHICH THE A AND B ARE LINKED FORM A RING WHICH INCLUDES A AND B AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF PYRAZOLONE, ISOXAZOLONE, THIOPHENE, COUMARINE, AND OXINDOLE RINGS, AND (4) QUATERNARY THIAZOLYL, OXAZOLYL, SELENAZOLYL, PYRIDINYL, PYRROLINYL, THIODIAZOLYL, DIAZINYL, TRIZNYL, IMIDAZOLYL AND IDONLENINYL RADICALS IN WHICH QUATERNARY RADICALS THE QUATERNARY NITROGEN IS IN A POSITION SELECTED FROM THE GROUP CONSISTING OF ALPHA AND GAMMA POSITIONS WITH RESPECT TO A CARBON ATOM AND SAID CARBON ATOM IS DIRECTLY CONNECTED TO THE C THAT CARRIES THE A AND B, ONE OF A AND B BEING HYDROGEN WHEN THE OTHER IS SAID QUATERNARY RADICAL, X IS AN ARYLENE RADICAL, Y IS AN ARYL RADICAL, SAID ARYLENE AND ARYL RADICALS HAVING UP TO 10 ARYL CARBON ATOMS AND HAVING SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ALKOXY AND HALOGEN, R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, ALKYL AND CARBOXY ALKYL GROUPS AND THE ALIPHATIC CARBON CHAINS IN SAID COMPOUND BEING NO MORE THAN 4 CARBONS IN LENGTH.