Silver halide material comprising low stain antenna dyes

A silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith:

• (a) at least one cyanine dye (Dye 1) that is capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent;
• (b) a second dye (Dye 2) of formula II containing at least one cationic substituent,
• 69
• wherein:
• R1 is a substituted alkyl group that contains at least one tetraalkylammonium group and at least one additional heteroatom;
• E3 represents the atoms necessary to complete a substituted or unsubstituted 5- or 6-membered heterocyclic nucleus;
• Ar1 is a substituted or unsubstituted aryl group or a substituted or unsubstituted alkyl group;
• L11 through L14 are substituted or unsubstituted methine groups;
• s is O or 1;
• G1 is an electron-withdrawing group;
• G2 is O or dicyanovinyl (C(CN)2);
• and
• W1 is a counterion if necessary.

A silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith:

• (a) at least one cyanine dye (Dye 1) that is capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent;
• (b) a second dye (Dye 2) of formula IIb containing at least one cationic substituent,
• 70
• wherein:
• R1 is a substituted alkyl group that contains at least one tetraalkylammonium group and at least one additional heteroatom;
• Ar2 represents a substituted or unsubstituted aromatic group, and
• E4 represents the atoms necessary to complete a substituted or unsubstituted benzoxazole, benzothiazole, or quinoline nucleus and
• W1 is a counterion if necessary.

A silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith:

• (a) at least one cyanine dye (Dye 1) that is capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent;
• (b) a second dye (Dye 2) of formula IIc containing at least one cationic substituent,
• 71
• wherein:
• Y1, Y2, and Y3 independently represent substituted or unsubstituted alkyl groups,
• Ar3 and Ar4 independently represent substituted or unsubstituted aromatic groups;
• n represents an integer from 3 to 5;
• and
• W3 is a counterion.

A silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith:

• (a) at least one cyanine dye (Dye 1) that is capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent;
• (b) a second dye (Dye 2) of formula IId containing at least one cationic substituent,
• 72
• wherein:
• Y4, Y5, and Y6 independently represent substituted or unsubstituted alkyl groups and at least one of Y4, Y5, and Y6 has a heteroatom present;
• Ar5 represents a substituted or unsubstituted phenyl group and the quinoline nucleus of formula IId may be further substituted,
• Ar6 represents a substituted or unsubstituted aromatic group,
• m represents an integer from 3 to 5;
• and
• W4 is a counterion.