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US 6,756,192 B1Granted
Imaging element containing a blocked photographically useful compound
AssigneeEastman Kodak Company
InventorsWojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
Life of this patent
Estimating the term…
Abstract
This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
Claims19
A photothermographic or thermographic imaging element comprising an imaging layer having in associated therewith a compound of Structure I:
- wherein:
- PUG is a photographically useful group;
- LINK 1 and LINK 2 are linking groups;
- TIME is a timing group;
- l is 0 or 1;
- m is 0, 1, or 2;
- n is 0 or 1;
- Y is C, N, O or S;
- X is an electron-withdrawing group;
- W is hydrogen, halogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group, or W can combine with T or R12 to form a ring, w is 0 to 3 when Y is C, w is 0-2 when Y is N, and w is 0-1 when Y is O or S, when w is 2, Z, the two W groups can combine to form a ring, and when w is 3, two W groups can combine to form a ring or three W groups can combine to form an aryl group or a bicyclic substituent;
- R12 is hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group or R12 can combine with T to form a ring;
- T is a substituted or unsubstituted alkyl cycloalkyl, aryl or six-membered heterocyclic group, t is 0, 1, or 2, with the proviso that when X is a sulfonyl group t is 1 or 2, when t is 2 the two T groups can combine to form a ring;
- X is divalent, a is 1 or 2, and b is 1;
- where LINK 1 and LINK 2 is independently of Structure II:
- wherein
- X′ represents carbon or sulfur;
- Y′ represents oxygen, sulfur or N—R1, where R1 is substituted or unsubstituted alkyl or substituted or unsubstituted aryl;
- p is 1 or 2;
- Z represents carbon, oxygen or sulfur;
- r is 0 or 1;
- with the proviso that when X′ is carbon, both p and r are 1, when X′ is sulfur, Y′ is oxygen, p is 2 and r is 0;
- # denotes the bond to PUG (for LINK 1) or TIME (for LINK 2);
- $ denotes the bond to TIME (for LINK 1) or T(t) substituted carbon (for LINK 2);
- and
- wherein PUG is a development inhibitor, bleach accelerator, bleach inhibitor, inhibitor releasing developer, dye precursor, developing agent, silver ion fixing agent, electron transfer agent, silver halide solvent, silver halide complexing agent, reductone, image toner, pre-processing or post-processing image stabilizer, nucleator, or precursor thereof;
- and
- wherein, in a photothermographic element, said imaging layer comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material;
- and wherein, in a thermographic element, said imaging element comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material.
25 more elements
A photothermographic or thermographic imaging element comprising an imaging layer having in associated therewith a compound of Structure III:
- wherein:
- Z is OH or NR2R3, where R2 and R3 are independently hydrogen or a substituted or unsubstituted alkyl group or R2 and R3 are connected to form a ring;
- R5, R6, R7, and R8 are independently hydrogen, halogen, hydroxy, amino, alkoxy, carbonamido, sulfonamido, alkylsulfonamido or alkyl, or R5 can connect with R3 or R6 and/or R8 can connect to R2 or R7 to form a ring;
- T is a substituted or unsubstituted alkyl, cycloalkyl, aryl or six-membered heterocyclic group, t is 0, 1, or 2, with the proviso that when X is a sulfonyl group, t is 1 or 2, when t is 2, the two T groups can combine to form a ring;
- R12 is hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group or R12 can combine with T or W to form a ring;
- X is an electron-withdrawing group;
- Y is C, N, O or S;
- X is divalent, a is 1 or 2, and b is 1;
- W is hydrogen, halogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group, or W can combine with T to form a ring, w is 0 to 3 when Y is C, w is 0-2 when Y is N, and w is 0-1 when Y is O or S, when w is 2, the two W groups can combine to form a ring, and when w is 3, two W groups can combine to form a ring or three W groups can combine to form an aryl group or a bicyclic substituent;
- and
- wherein, in a photothermographic element, said imaging layer comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure III and/or an additional material;
- and wherein, in a thermographic element, said imaging element comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure III and/or an additional material.
9 more elements
A photothermographic or thermographic imaging element comprising an imaging layer having in associated therewith a compound of Structure I:
- wherein:
- PUG is a developing agent;
- LINK 1 and LINK 2 are linking groups;
- TIME is a timing group;
- l is 0 or 1;
- m is 0, 1, or 2;
- n is 0 or 1;
- Y is C, N, O or S;
- X is a substituted or unsubstituted aryl group or an electron-withdrawing group;
- W is hydrogen, halogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group, or W can combine with T or R12 to form a ring, w is 0 to 3 when Y is C, w is 0-2 when Y is N, and w is 0-1 when Y is O or S, when w is 2, the two W groups can combine to form a ring, and when w is 3, two W groups can combine to form a ring or three W groups can combine to form a bicyclic substituent;
- R12 is hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group or R12 can combine with T to form a ring;
- T is a substituted or unsubstituted alkyl cycloalkyl, aryl or six-membered heterocyclic group, t is 0, 1, or 2, with the proviso that when X is a sulfonyl group, t is 1 or 2, when t is 2, the two T groups can combine to form a ring;
- X is divalent, a is 1 or 2, and b is 1;
- where LINK 1 and LINK 2 is independently of Structure II:
- wherein
- X′ represents carbon or sulfur;
- Y′ represents oxygen, sulfur or N—R1, where R1 is substituted or unsubstituted alkyl or substituted or unsubstituted aryl;
- p is 1 or 2;
- Z represents carbon, oxygen or sulfur;
- r is 0 or 1;
- with the proviso that when X′ is carbon, both p and r are 1, when X′ is sulfur, Y′ is oxygen, p is 2 and r is 0;
- # denotes the bond to PUG (for LINK 1) or TIME (for LINK 2);
- $ denotes the bond to TIME (for LINK 1) or T(t) substituted carbon (for LINK 2);
- and
- wherein, in a photothermographic element, said imaging layer comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material;
- and wherein, in a thermographic element, said imaging element comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material.
23 more elements
A photothermographic or thermographic imaging element comprising an imaging layer having in associated therewith a compound of Structure I:
- wherein:
- PUG is a developing agent;
- LINK 1 and LINK 2 are linking groups;
- TIME is a timing group;
- l is 0 or 1;
- m is 0, 1, or 2;
- n is 0 or 1;
- Y is C, N, O or S;
- X is an electron-withdrawing group;
- W is hydrogen, halogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group, or W can combine with T or R12 to form a ring, w is 0 to 3 when Y is C, w is 0-2 when Y is N, and w is 0-1 when Y is O or S, when w is 2, the two W groups can combine to form a ring, and when w is 3, two W groups can combine to form a ring or three W groups can combine to form an aryl group or a bicyclic substituent;
- R12 is hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, aryl or heterocyclic group or R12 can combine with T to form a ring;
- T is a substituted or unsubstituted alkyl cycloalkyl, aryl or six-membered heterocyclic group, t is 0, 1, or 2, and when t is 2, the two T groups can combine to form a ring;
- X is divalent, a is 1 or 2, and b is 1;
- where LINK 1 and LINK 2 is independently of Structure II:
- wherein
- X′ represents carbon or sulfur;
- Y′ represents oxygen, sulfur or N—R1, where R1 is substituted or unsubstituted alkyl or substituted or unsubstituted aryl;
- p is 1 or 2;
- Z represents carbon, oxygen or sulfur;
- r is 0 or 1;
- with the proviso that when X′ is carbon, both p and r are 1, when X′ is sulfur, Y′ is oxygen, p is 2 and r is 0;
- # denotes the bond to PUG (for LINK 1) or TIME (for LINK 2);
- $ denotes the bond to TIME (for LINK 1) or T(t) substituted carbon (for LINK 2);
- and
- wherein, in a photothermographic element, said imaging layer comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material;
- and wherein, in a thermographic element, said imaging element comprises a light-sensitive silver-halide emulsion, a non-light-sensitive organic silver salt oxidizing agent, and a reducing agent for reducing silver ion to metallic silver which may be the compound of structure I and/or an additional material.
23 more elements
Dependencies are inferred from the claim text.