Photographic processing element and image forming method by the use thereof
AssigneeKonica Corporation
InventorsNoriyuki Kokeguchi, Hiromichi Mizukami, Yoshihiko Suda
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Abstract
A photographic processing element is disclosed, comprising a color developing agent or its precursor. The element further comprises a base or its precursor. An image forming method is also disclosed, comprising superposing a processing element comprising a color developing agent or its precursor on an exposed silver halide photographic material to perform development of the photographic material to form an image.
Claims44
A photographic processing element comprising a precursor of a color developing agent represented by one of the following formulas (1) through (6):
- wherein R11 through R19 each represent a hydrogen atom or a substituent, provided that R11 and R12, R13 and R14, R15 and R16, R16 and R17, R17 and R18, or R18 and R19 may combine with each other to form a ring;
- and A1 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A1 may combine with R11 or R14 to form a ring;
- wherein R21 through R25 each represent a hydrogen atom or a substituent, provided that R21 and R22, or R23 and R24 may combine with each other to form a ring;
- and A2 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A2 may combine with R21 or R24 to form a ring;
- wherein R31 through R38 each represent a hydrogen atom or a substituent and n is an integer of 1 to 5;
- wherein R41 through R44 each represent a hydrogen atom or a substituent, provided that R41 and R42, or R43 and R44 may combine with each other to form a ring;
- A4 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A4 may combine with R41 or R44 to form a ring;
- and R45 and R46 each represent an alkyl group having 1 to 12 carbon atoms or an aryl group;
- wherein R51 through R54 each represent a hydrogen atom or a substituent, provided that R51 and R52, or R53 and R54 may combine with each other to form a ring;
- A5 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A5 may combine with R51 or R54 to form a ring;
- and M represents a hydrogen atom, an alkali metal, ammonium, a nitrogen-containing organic base or a quaternary nitrogen-containing compound;
- wherein R61 through R64 each represent a hydrogen atom or a substituent, provided that R61 and R62, or R63 and R64 may combine with each other to form a ring;
- A6 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A6 may combine with R61 or R64 to form a ring;
- M+q is a metal ion;
- q is an integer of 2 or 3;
- r is an integer of 1 or 2;
- X61− and X62− each represents an anion;
- p is an integer of 1 or 2;
- m is an integer of 1 or 2;
- n is an integer of 1 through 3;
- and z is an integer of 1 through 5.
An image forming method comprising superposing a processing element comprising a precursor of a color developing agent on an exposed silver halide photographic material comprising a support having thereon a silver halide emulsion layer to perform development of the photographic material to form an image;
- the precursor of a color developing agent being represented by one of the formulas (1) through (6):
- wherein R11 through R19 each represent a hydrogen atom or a substituent, provided that R11 and R12, R13 and R14, R15 and R16, R16 and R17, R17 and R18, or R18 and R19 may combine with each other to form a ring;
- and A1 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A1 may combine with R11 or R14 to form a ring;
- wherein R21 through R25 each represent a hydrogen atom or a substituent, provided that R21 and R22, or R23 and R24 may combine with each other to form a ring;
- and A2 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A2 may combine with R21 or R24 to form a ring;
- wherein R31 through R38 each represent a hydrogen atom or a substituent and n is an integer of 1 to 5;
- wherein R41 through R44 each represent a hydrogen atom or a substituent, provided that R41 and R42, or R43 and R44 may combine with each other to form a ring;
- A4 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A4 may combine with R41 or R44 to form a ring;
- and R45 and R46 each represent an alkyl group having 1 to 12 carbon atoms or an aryl group;
- wherein R51 through R54 each represent a hydrogen atom or a substituent, provided that R51 and R52, or R53 and R54 may combine with each other to form a ring;
- A5 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A5 may combine with R51 or R54 to form a ring;
- and M represents a hydrogen atom, an alkali metal, ammonium, a nitrogen-containing organic base or a quaternary nitrogen-containing compound;
- wherein R61 through R64 each represent a hydrogen atom or a substituent, provided that R61 and R62, or R63 and R64 may combine with each other to form a ring;
- A6 represents a hydroxy group or a substituted amino group, provided that the substituted amino group of A6 may combine with R61 or R64 to form a ring;
- M+q is a metal ion;
- q is an integer of 2 or 3;
- r is an integer of 1 or 2;
- X61− and X62− each represents an anion;
- p is an integer of 1 or 2;
- m is an integer of 1 or 2;
- n is an integer of 1 through 3;
- and z is an integer of 1 through 5.
The image forming method described in 27, wherein the development is performed at a temperature of 55 to 95° C.
The image forming method described in 19, wherein the processing element comprises a hot water-soluble layer.
A photographic processing element comprising a color developing agent or a precursor of a color developing agent, wherein the processing element comprises a hot water-soluble layer which is provided between a component layer containing a compound represented by the following formula (III) and a component layer containing a compound capable of forming a complex upon reaction with the compound of formula (III)
- ZmXn formula (III)
- wherein Z represents a metal other than an alkali metal;
- X represents an oxide ion, hydroxide ion, carbonate ion, phosphate ion, borate ion or aluminate ion;
- m and n are each an integer necessary to allow the valence number of Z to counter-balance with that of X.
A photographic processing element comprising a color developing agent or a precursor of a color developing agent, wherein the processing element comprises a hot water-soluble layer.
A photographic processing element comprising a color developing agent or a precursor of a color developing agent, wherein the processing element comprises a heat-sealable water-permeable binder layer.
An image forming method comprising superposing a processing element comprising a color developing agent or a precursor of a color developing agent on an exposed silver halide photographic material comprising a support having thereon a silver halide emulsion layer to perform development of the photographic material to form an image, and wherein the processing element comprising a color developing agent or a precursor of a color developing agent is a processing film.
An image forming method, comprising superposing a processing element comprising a base or a precursor of a base on a photographic material comprising a support having thereon a silver halide emulsion layer and further superposing a processing element comprising a color developing agent or a precursor of a color developing agent on the processing element comprising a base or a precursor of a base to perform development of the photographic material to form an image, and wherein the processing element comprising a base or a precursor of a base is a processing film, and the processing element comprising a color developing agent or a precursor of a color developing agent being a processing sheet.
An image forming method comprising superposing a processing element comprising a color developing agent or a precursor of a color developing agent on an exposed silver halide photographic material comprising a support having thereon a silver halide emulsion layer to perform development of the photographic material to form an image, and wherein the processing element comprises a hot water-soluble layer.
Dependencies are inferred from the claim text.