Light-sensitive,photographic silver halide emulsion

Abstract

Abstract BENZOXAZOLINE 2-(R2-N<(-C(=S)-Z2-C(=CH-CH=)-C(=O)-)),3-R1,5-CL,6-CH3- WHEREIN R IS HYDROGEN OR LOWER ALKYL RADICAL: R1 AND R2 INDIVIDUALLY MEAN LOWER ALKYL, LOWER ALKENYL, SUBSTITUTED ALKYL SELECTED FROM THE GROUP CONSISTING OF HYDROXY ALKYL, ACETOXY ALKYL, CARBOXY ALKYL AND SULFO ALKYL OR ARYL RADICAL; Z1 IS AN ATOMIC GROUPING WHICH CAN FORM, TOGETHER WITH THE ADJACENT NITROGEN AND CARBON ATOMS, A FIVE- OR SIX MEMBERED HETEROCYCLIC RING; Z2 MEANS OXYGEN, SULFUR OR A RADICAL =NR3 (IN WHICH R3 IS LOWER ALKYL OR CARBOXY-ALKYL RADICAL); X IS AN ACID RESIDUE, PROVIDED THAT X MAY NOT EXIST IF THE SUBSTITUTED ALKYL RADICAL TAKEN FOR R1 OR R2 IS CAPABLE OF FORMING, TOGETHER WITH AN ADJACENT NITROGEN ATOM, AN INTRAMOLECULAR SALT; AND M IS EQUAL TO 0 OR 1. A LIGHT-SENSITIVE, PHOTOGRAPHIC SILVER HALIDE EMULSION WHICH CONTAINS, AS A SENSITIZER, A COMPOUND OF THE GENERAL FORMULA BENZOXAZOLINE)+ X(-) OR (2-(R3-N<(=C(-(CH=C(-R))M-CH=)-Z1-)),3-R1,5-CL-6-CH3-

Inventors

• 👤 E Sakamoto
• 👤 N Fujimori
• 👤 S Sato
• 👤 K Sakazume

Bibliographic Details