P
USH1548HExpiredUtilityPatentIndex 52

Silver halide color photosensitive material

Assignee: KONISHIROKU PHOTO INDPriority: Sep 17, 1992Filed: Sep 13, 1993Granted: Jun 4, 1996
Est. expirySep 17, 2012(expired)· nominal 20-yr term from priority
Inventors:IWAGAKI MASARU
G03C 1/7954
52
PatentIndex Score
1
Cited by
9
References
1
Claims

Abstract

A silver halide color photosensitive material is provided, comprising a tranparent support having a thickness of not more than 120 μm and provided thereon photosensitive layers, wherein at least one of the photosensitive layers contains a silver halide emulsion containing silver halide grains controlled so that sensitivity specks are localized at a specific site of the grains or in the vicinity thereof; and the transparent support is a polyester prepared by polycondensation of an aromatic dibasic acid and a glycol, wherein the polycondensation is conducted in the presence of (i) an aromatic dicarboxylic acid having a metal sulfonate group or an ester thereof, and (ii) a polyalkyleneglycol or (iii) a saturated aliphatic dicarboxylic acid or an ester thereof, each as copolymerizing components, during the course of polymerization reaction.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A silver halide color photosensitive material comprising a transparent support having a thickness of not more than 120 μm, having provided thereon a plurality of photosensitive layers including a red-sensitive layer, a green-sensitive layer, and a blue-sensitive layer, wherein at least one of said photosensitive layers contains a silver halide emulsion containing silver halide grains having sensitivity specks, not less than 80% of said sensitivity specks on said grains being localized within a circle, the center of which is the corner, and a radius thereof being one third the length of a line connecting said corner to an adjacent corner, or at an edge, said transparent support being a polyester prepared by polycondensation of an aromatic dibasic acid and a glycol, wherein said polycondensation is conducted in the presence of (i) an aromatic dicarboxylic acid having a metal sulfonate group or an ester thereof, and (ii) a polyalkylene glycol or (iii) a saturated aliphatic dicarboxylic acid or an ester thereof, each as copolymerized components, during the course of polymerization reaction.

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