Patent ID: 6106599
Filing Date: 2000-08-22
Classification: C09D

Abstract:
An ink composition comprised of (1) an azole compound (2) a viscosity compound, (3) a lightfastness component, (4) an antioxidant, and (5) a colorant wherein said azole compound is selected from the group consisting of (1) pyrazole, (2) 1-nitropyrazole, (3) iodo pyrazole (4) 4-bromo pyrazole, (5) 4-bromo-3-methylpyrazole, (6) 4-bromo-3,5-dimethyl pyrazole, (7) 3-amino-5-phenyl pyrazole, (8) ethyl 4-pyrazolecarboxylate, (9) 1,1'-cyclopentylidenebis-1-H-pyrazole, (9) .alpha.-[(2-ethoxy-2-oxoethoxy) imino]-3-pyrazoleacetic acid, (10) ethyl 5-amino-1-phenyl-4-pyrazole carboxylate, (11) 1,1'-(1-ethylpropylidene)bis-1-H-pyrazole, (12) 3,5-dimethylpyrazole, (13) ethyl 3-amino-4-pyrazole carboxylate, and (14) 3,5-bis(trifluoromethyl)pyrazole.