Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
247 words
A method of forming an image which comprises subjecting an image-wise exposed and developed photographic element comprising a support and at least one photographic layer in which there is image-wise distributed a metallic silver having a catalytic effect to image-wise intensification in the presence of a reducing agent which diffuses into the layer of photographic element from the developer solution or the intensifier solution, or is previously incorporated into the layer, using a solution consisting essentially of at least one of a halogenite, hydrogen peroxide and one or more compounds capable of releasing hydrogen peroxide as an oxidation agent; and containing at least one nitro-substituted nitrogen-containing heterocyclic compound represented by the following General formulae (I) and (II); ##STR5## in which R 1 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms, SO 3 M or COOM wherein M represents hydrogen atom, an alkali metal or an ammonium group, X represents nitrogen atom or CR' wherein R' represents a hydrogen atom or a lower alkyl group of 1 to 5 carbon atoms, and ##STR6## in which R 2 represents hydrogen atom, an alkyl group of 1 to 5 carbon atoms, SO 3 M or COOM wherein M represents hydrogen atom, an alkali metal or ammonium group and Y represents hydrogen atom, an alkyl group of 1 to 5 carbon atoms or CH 2 --S--(CH 2 ) n --Y' wherein n represents 1 to 3 and Y' represents a hydrogen atom or SO 3 M.
Claim 2
Independent Claim
247 words
A method of forming an image which comprises subjecting an image-wise exposed and developed photographic element comprising a support and at least one photographic layer in which there is image-wise distributed a metallic silver having a catalytic effect to image-wise intensification in the presence of a reducing agent which diffuses into the layer of photographic element from the developer solution or the intensifier solution, or is previously incorporated into the layer, using a solution consisting essentially of at least one of a halogenite, hydrogen peroxide and one or more compounds capable of releasing hydrogen peroxide as an oxidation agent; and containing at least one nitro-substituted nitrogen-containing heterocyclic compound represented by the following General formulae (I) and (II); ##STR5## in which R 1 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms, SO 3 M or COOM wherein M represents hydrogen atom, an alkali metal or an ammonium group, X represents nitrogen atom or CR' wherein R' represents a hydrogen atom or a lower alkyl group of 1 to 5 carbon atoms, and ##STR6## in which R 2 represents hydrogen atom, an alkyl group of 1 to 5 carbon atoms, SO 3 M or COOM wherein M represents hydrogen atom, an alkali metal or ammonium group and Y represents hydrogen atom, an alkyl group of 1 to 5 carbon atoms or CH 2 --S--(CH 2 ) n --Y' wherein n represents 1 to 3 and Y' represents a hydrogen atom or SO 3 M.
Claim 3
Dependent Claim
15 words
The method of claim 1, which comprises the steps of development, intensification, bleaching and fixing.
Claim 4
Dependent Claim
14 words
The method of claim 1, which comprises the steps of development, intensification and blixing.
Claim 5
Dependent Claim
11 words
The method of claim 1, where material (1) is hydrogen peroxide.
Claim 6
Dependent Claim
11 words
The method of claim 1, where material (1) is a halogenite.
Claim 7
Dependent Claim
11 words
The method of claim 5, where the halogenite is sodium chlorite.
Claim 8
Dependent Claim
17 words
The method of claim 1, where material (1) is one or more compounds capable releasing hydrogen peroxide.