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US 2004/0171817 A1Published application
Novel dye complexes and use thereof in imaging members and methods
AssigneeZink Imaging, Inc.
InventorsRichard M. Allen, Michael P. Filosa, Stephen J. Telfer
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Abstract
There are described novel complexes formed between hydrogen bond acceptors and phenolic dye compounds and imaging members and imaging methods, including thermal imaging members and methods utilizing the complexes.
Claims16
A compound represented by the formula
- 5
- wherein:
- R1, R2, R3, R4, R5, and R7 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, heterocycloalkyl, substituted heterocycloalkyl, substituted carbonyl, acylamino, halogen, nitro, nitrilo, sulfonyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, oxygen, substituted oxygen, nitrogen, substituted nitrogen, sulfur and substituted sulfur;
- R6 is selected from the group consisting of halogen, oxygen, substituted oxygen, nitrogen, substituted nitrogen, sulfur and substituted sulfur;
- R8, R9, R10 and R11 are each independently absent or selected from the group consisting of hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, heterocycloalkyl, substituted heterocycloalkyl, substituted carbonyl, acylamino, halogen, nitro, nitrilo, sulfonyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, oxygen, substituted oxygen, nitrogen, substituted nitrogen, sulfur and substituted sulfur;
- X1 is selected from the group consisting of carbonyl, methylene, substituted methylene, and sulfonyl;
- X2 is selected from the group consisting of oxygen, nitrogen, or substituted nitrogen;
- X3 is selected from the group consisting of oxygen, sulfur, nitrogen and substituted nitrogen;
- X4 is carbon or nitrogen;
- and
- A is a hydrogen-bond accepting group.
8 more elements
Dependencies are inferred from the claim text.