Silver halide photographic materials

Claim 2

A silver halide photographic material comprising a support having thereon at least one layer containing a nonionic surface active agent having a polyoxyethylene group and a fluorine-containing surface active compound, wherein the element composition of the surface of said layer has a ratio of F 1s peak intensity/C 1s peak intensity in the range of 0.3 to 2.0 when measured by an X-ray photoelectron spectrometry.

Claim 3

The silver halide photographic material as claimed in claim 1, wherein said layer containing the nonionic surface active agent and the fluorine-containing surface active compound is a surface protective layer.

Claim 4

The silver halide photographic material as claimed in claim 1, wherein said layer containing the nonionic surface active agent and the fluorine-containing surface active compound is a backing layer.

Claim 5

The silver halide photographic material as claimed in claim 1, wherein the nonionic surface active agent is a compound represented by the general formula R.sub.1 --A--CH.sub.2 CH.sub.2 O).sub.di n 1 H wherein R 1 represents an unsubstituted or substituted alkyl group having 1 to 30 carbon atoms, an unsubstituted or substituted alkenyl group, or an unsubstituted or substituted aryl group; A represents --O-- group, --S-- group, --COO-- group, ##STR13## (wherein R 10 represents a hydrogen atom or an unsubstituted or substituted alkyl group), and n 1 represents a number of 2 to 50.

Claim 6

The silver halide photographic material as claimed in claim 1, wherein the nonionic surface active agent is a compound represented by the general formula ##STR14## wherein R 2 and R 3 each represents a hydrogen atom, an unsubstituted or substituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; R 4 and R 5 each represents a hydrogen atom, an unsubstituted or substituted alkyl group or an aryl group, said R 4 and R 5 may combine with each other to form an unsubstituted or substituted ring; n 2 represents a number of 2 to 50, and m represents a number of 2 to 50.

Claim 7

The silver halide photographic material as claimed in claim 1, wherein the nonionic surface active agent is a compound represented by the general formula ##STR15## wherein R 4 and R 5 each represents a hydrogen atom, an unsubstituted or substituted alkyl group, or an aryl group; said R 4 and R 5 may combine with each other to form an unsubstituted or substituted ring; R 6 and R 8 represents an unsubstituted or substituted alkyl group, and aryl group, an alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group or a sulfamoyl group; R 7 and R 9 each represents a hydrogen atom, an unsubstituted or substituted alkyl group, an aryl group, an alkoxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; said R 6 and R 7 and said R 8 and R 9 may combine with each other to form an unsubstituted or substituted ring; and n 3 and n 4 each represents a number of 2 to 50.

Claim 8

The silver halide photographic material as claimed in claim 1, wherein the fluorine-containing surface active compound is a fluorine-containing surface active agent represented by the general formula Rf--B--X wherein Rf represents a partially or wholly fluorinated unsubstituted or substituted alkyl, alkenyl or aryl group containing at least three fluorine atoms; B represents a divalent linkage group, and X represents a water-solubilizing group.

Claim 9

The silver halide photographic material as claimed in claim 1, wherein said nonionic surface active agent is employed in an amount of from 5 to 500 milligrams per square meter of the photographic material.

Claim 10

The silver halide photographic material as claimed in claim 8, wherein said nonionic surface active agent is employed in an amount of from 10 to 300 milligrams per square meter of the photographic material.

Claim 11

The silver halide photographic material as claimed in claim 1, wherein said fluorine-containing surface active compound is employed in an amount of from 0.1 milligrams to 1 gram per square meter of the photographic material.

Claim 12

The silver halide photographic material as claimed in claim 10, wherein said fluorine-containing surface active compound is employed in an amount of from 0.5 to 300 milligrams per square meter of the photographic material.

Claim 13

The silver halide photographic material as claimed in claim 1, wherein said ratio of F 1s peak intensity/C 1s peak intensity is in the range of from 0.8 to 1.6 when measured by an X-ray photoelectron spectrometry.

Claim 14

The silver halide photographic material as claimed in claim 1, wherein said fluorine-containing suface active compound is a polymer or a surface active agent.