IP Library Granted Patent US 7,115,357
Granted Patent B2
US 7,115,357 · App. 10/827,627 · Granted Oct 3, 2006

Silver halide color reversal photosensitive material

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Quick Facts
Patent No.
US 7,115,357
App. No.
10/827,627
Granted
Oct 3, 2006
Kind
B2
Abstract

A silver halide color reversal photosensitive material comprising a blue-sensitive emulsion layer unit containing a yellow color-forming coupler, a green-sensitive emulsion layer unit containing a magenta color-forming coupler and a red-sensitive emulsion layer unit containing a cyan color-forming coupler, on a transparent support, wherein the material includes at least one interimage effect-donating layer substantially forms no image; the wavelength, λrmax, at which the maximum sensitivity of the spectral sensitivity distribution of the red-sensitive layer unit is given, satisfies the relation: 620 nm≦λrmax≦680 nm; and the sensitivities of the red-sensitive layer unit satisfy the following relationships: Sr(610) is ⅕ of Sr(λrmax) or more; Sr(680) is 1/10 of Sr(λrmax) or more; and/or Sr(690) is 1/50 of Sr(λrmax) or more wherein Sr(610), Sr(680) and Sr(690) are the sensitivities of the red-sensitive unit at 610 nm, 680 nm and 690 nm, respectively, and Sr(λrmax) is the maximum sensitivity at λrmax.

Claims (29)

1. A silver halide color reversal photosensitive material comprising at least one blue-sensitive emulsion layer unit containing a yellow color-forming coupler, at least one green-sensitive emulsion layer unit containing a magenta color-forming coupler and at least one red-sensitive emulsion layer unit containing a cyan color-forming coupler, on a transparent support, wherein

the silver halide color reversal photosensitive material includes at least one interimage effect-donating layer that substantially forms no image;

the wavelength, λrmax, at which the maximum sensitivity of the spectral sensitivity distribution of the red-sensitive emulsion layer unit is given, satisfies the relation: 620 nm≦λmax≦680 nm;

the sensitivities of the red-sensitive emulsion layer unit satisfy the following relationships:

Sr (610) is ⅕ of Sr (λrmax) or more,

Sr (680) is 1/10 of Sr (λrmax) or more, and/or

Sr (690) is 1/50 of Sr (λrmax) or more

wherein Sr (610), Sr (680) and Sr (690) are the sensitivities of the red-sensitive emulsion layer unit at 610 nm, 680 nm and 690 nm, respectively, and Sr (λmax) is the maximum sensitivity at λrmax and

at least one of the yellow color-forming couplers is represented by the following general formula (YC-I):

wherein Q represents a residue forming a nitrogen-containing 6-membered ring with —N—C═N— moiety; R 21 represents an alkyl group having 7 carbon atoms or more wherein R 21 may be substituted by another substituent; X 2 represents an aryl group; and Y 2 represents a hydrogen atom or a group capable of splitting off by a coupling reaction with an oxidized aromatic primary amine color developing agent.

2. The silver halide color reversal photosensitive material according to claim 1 , wherein the silver halide color reversal photosensitive material comprising at least one coupler selected from the group consisting of magenta couplers represented by the following general formula (MC-I) and cyan couplers represented by the general formula (CC-I); and

each of the magenta couplers represented by the general formula (MC-I) and cyan couplers represented by the general formula (CC-I) occupies from 30 mol % to 100 mol % of image-forming couplers contained in the blue-sensitive emulsion layer unit, the green-sensitive emulsion layer unit and the red-sensitive emulsion layer unit;

wherein R 1 represents a hydrogen atom or substituent; one of G 1 and G 2 represents a carbon atom, and the other represents a nitrogen atom; and R 2 represents a substituent that substitutes one of G 1 and G 2 which is a carbon atom, wherein R 1 and R 2 may further have a substituent, a polymer of the general formula (MC-I) may be formed via R 1 or R 2 , or a polymer chain may be bonded via R 1 or R 2 ; and X 1 represents a hydrogen atom or a group that is capable of splitting off by a coupling reaction with an oxidized aromatic primary amine color developing agent;

wherein Ga represents —C(R 13 )═ or —N═; Gb represents —C(R 13 )═ when Ga represents —N═, or Gb represents —N═ when Ga represents —C(R 13 )═; each of R 11 and R 12 is an electron-withdrawing group with a Hammett substituent constant σp value of 0.20 to 1.0; R 13 represents a substituent; and Y 1 represents a hydrogen atom or a group capable of splitting off by a coupling reaction with an oxidized aromatic primary amine color developing agent.

3. The silver halide color reversal photosensitive material according to claim 1 , wherein the wavelength, λrmax, at which the maximum sensitivity of the spectral sensitivity distribution of the red-sensitive emulsion layer unit is given, satisfies the relation: 630 nm≦λrmax≦650 nm.

4. The silver halide color reversal photosensitive material according to claim 1 , wherein the sensitivities of the red-sensitive emulsion layer unit satisfy the following relationships: Sr (610) is ⅓ of Sr (λrmax) or more, Sr (680) is ⅕ of Sr (λrmax) or more, and/or Sr (690) is 1/40 of Sr (λrmax) or more.

5. The silver halide color reversal photosensitive material according to claim 1 , wherein the interimage effect-donating layer contains a light-sensitive emulsion having a silver iodide content of 6 mol % or more.

6. The silver halide color reversal photosensitive material according to claim 1 , wherein the interimage effect-donating layer contains two or more light-sensitive emulsions in combination, and the two or more light-sensitive emulsions have different speeds to each other.

7. The silver halide color reversal photosensitive material according to claim 1 , wherein the interimage effect-donating layer contains a light-sensitive emulsion and a non-light-sensitive fine grain emulsion.

8. The silver halide color reversal photosensitive material according to claim 1 , wherein the interimage effect-donating layer is an interimage effect-donating unit composed of two or more layers.

9. The silver halide color reversal photosensitive material according to claim 1 , wherein the interimage effect-donating layer is one to donate interimage effect from the red-sensitive emulsion layer unit to the green-sensitive emulsion layer unit, or one to donate interimage effect from the green-sensitive emulsion layer unit to the blue-sensitive emulsion layer unit.

10. The silver halide color reversal photosensitive material according to claim 2 , wherein the at least one coupler occupies from 70 mol % to 100 mol % of image-forming couplers contained in the blue-sensitive emulsion layer unit, the green-sensitive emulsion layer unit and the red-sensitive emulsion layer unit.

11. The silver halide color reversal photosensitive material according to claim 2 , wherein the blue-sensitive emulsion layer unit contains at least one yellow coupler represented by the general formula (YC-I).

12. The silver halide color reversal photosensitive material according to claim 11 , wherein the yellow coupler represented by the general formula (YC-I) occupied from 30 mol % to 100 mol % of image-forming coupler(s) contained in the blue-sensitive emulsion layer unit.

13. The silver halide color reversal photosensitive material according to claim 2 , wherein the silver halide color reversal photosensitive material contains at least one each of the magenta coupler represented by the general formula (MC-I), the cyan coupler represented by the general formula (CC-I) and the yellow coupler represented by the general formula (YC-I).

14. The silver halide color reversal photosensitive material according to claim 13 , wherein the magenta coupler represented by the general formula (MC-I) is contained in the green-sensitive emulsion layer unit in an amount of 30 mol % to 100 mol % of image-forming coupler(s) contained in the green sensitive emulsion layer unit, the cyan coupler represented by the general formula (CC-I) is contained in the red-sensitive emulsion layer unit in an amount of 30 mol % to 100 mol % of image-forming coupler(s) contained in the red-sensitive emulsion layer unit, and the yellow coupler represented by the general formula (YC-I) is contained in the blue-sensitive emulsion layer unit in an amount of 30 mol % to 100 mol % of image-forming coupler(s) contained in the blue sensitive emulsion layer unit.

15. The silver halide color reversal photosensitive material according to claim 1 , wherein the silver halide color reversal photosensitive material comprising at least one coupler selected from the group consisting of magenta couplers represented by the following general formula (MC-I) and cyan couplers represented by the general formula (CC-I);

wherein R 1 represents a hydrogen atom or substituent; one of G 1 and G 2 represents a carbon atom, and the other represents a nitrogen atom; and R 2 represents a substituent that substitutes one of G 1 and G 2 which is a carbon atom, wherein R 1 and R 2 may further have a substituent, a polymer of the general formula (MC-I) may be formed via R 1 or R 2 , or a polymer chain may be bonded via R 1 or R 2 ; and X 1 represents a hydrogen atom or a group that is capable of splitting off by a coupling reaction with an oxidized aromatic primary amine color developing agent;

wherein Ga represents —C(R 13 )═ or —N═; Gb represents —C(R 13 )═ when Ga represents —N═, or Gb represents —N═ when Ga represents —C(R 13 )═; each of R 11 and R 12 is an electron-withdrawing group with a Hammett substituent constant σp value of 0.20 to 1.0; R 13 represents a substituent; and Y 1 represents a hydrogen atom or a group capable of splitting off by a coupling reaction with an oxidized aromatic primary amine color developing agent.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 15, 2007
From: FUJIFILM HOLDINGS CORPORATION (FORMERLY FUJI PHOTO FILM CO., LTD.)
To: FUJIFILM CORPORATION
Reel/Frame 018904/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 20, 2004
From: HARAGUCHI, NOBUYUKI; KURAMITSU, MASAYUKI; MATSUDA, NAOTO
To: FUJI PHOTO FILM CO., LTD.
Reel/Frame 015238/0049 →