Patent ID: 7105214
Filing Date: 2006-09-12
Classification: B41M,Y10T

Abstract:
1. A recording sheet which comprises a substrate and a coating substantially uniformly situated on at least one surface of the substrate, said coating comprising an additive material selected from the group consisting of pyrrole compounds and pyrrolidine compounds selected from the group consisting of (1) 2-acetyl-pyrrole; (2) 2-acetyl-1-methylpyrrole; (3) 3-acetyl-1-methylpyrrole; (4) 3-acetyl-2,4-dimethylpyrrole; (5) pyrrole-2-carboxaldehyde; (6) pyrrole-2-carboxylic acid; (7) 3-carboxy-1,4-dimethyl-2-pyrroleacetic acid; (8) proline amide; (9) 1-(pyrrolidino carbonylmethyl) piperazine; (10) 2-pyrrolidone-5-carboxylic acid; (11) 3-pyrrolidino-1,2-propane diol; (12) 1,1′-ethylene bis (5-oxo-3-pyrrolidine carboxylic acid); (13) kainic acid monohydrate; and mixtures thereof, pyridine compounds selected from the group consisting of (1) 2,6-pyridine dicarboxaldehyde; (2) 3,4-pyridine carboxamide; (3) 3,4-pyridine carboximide; (4) 2,3-pyridine carboxylic anhydride; (5) 3,4-pyridine carboxylic anhydride; (6) 2,6-pyridine methanol; (7) 2-pyridine ethane sulfonic acid; (8) 4-pyridine ethane sulfonic acid; (9) 3-pyridine sulfonic acid; (10) pyridoxic acid; (11) trans-3-(3-pyridyl) acrylic acid; (12) 2-pyridyl hydroxymethane sulfonic acid; (13) 3-pyridyl hydroxymethane sulfonic acid; (14) 6-methyl-2,3-pyridine dicarboxylic acid; (15) N,N-bis (2-hydroxyethyl) isonicotinamide; (16) 4,4′-trimethylene pyridine; (17) 2-(2-piperidinoethyl) pyridine; (18) 2-(chloromethyl) pyridine acid salts; (19) 2-pyridylacetic acid acid salts; (20) nicotinoyl chloride acid salts; (21) 2-hydrazinopyridine acid salts; (22) 2-(2-methyl aminoethyl) pyridine acid salts; (23) 1-methyl-1,2,3,6-tetrahydropyridine acid salts; (24) 2,6-dihydroxypyridine acid salts; (25) 3-hydroxy-2(hydroxymethyl) pyridine acid salts; (26) pyridoxine acid salts; (27) pyridoxal acid salts; (28) pyridoxal 5-phosphate acid salts; (29) 3-amino-2,6-dimethoxy pyridine acid salts; (30) pyridoxamine acid salts; (31) iproniazid acid salts; (32) tripelennamine acid salts; and mixtures thereof, piperidine compounds selected from the group consisting of (1) 2-piperidine methanol; (2) 3-piperidine methanol; (3) 2-piperidine ethanol; (4) 4-piperidine ethanol; (5) 3-piperidino-1,2-propane diol; (6) 1-piperidine propionic acid; (7) 2-piperidine carboxylic acid; (8) 4-piperidinopiperidine; (9) 4-phenyl piperidine; (10) 2,2,6,6-tetramethyl piperidine; (11) 2-piperidone; (12) 1-methyl-4-(methylamino) piperidine; (13) 4,4′-trimethylene bis (1-methyl piperidine); (14) 4,4′-trimethylene dipiperidine; (15) tris piperidinophosphine oxide; (16) 4,4′-trimethylene bis (1piperidine carboxamide); (17) 4,4′-trimethylene bis (1-piperidine propionitrile); (18) 4-methyl-2-(piperidinomethyl) phenol; (19) 1-methyl-4-piperidinyl bis(chlorophenoxy) acetate; and mixtures thereof homopiperidine compounds, quinoline compounds, isoquinoline compounds, indole compounds selected from the group consisting of (1) 4,5,6,7-tetrahydroindole; (2) 3-indolemethanol; (3) 3-indole ethanol; (4) indole-3-carboxaldehyde; (5) 3-indolylacetate; (6) indole-3-acetamide; (7) indole-3-carboxylic acid; (8) indole-3-acetic acid; (9) 3-indole propionic acid; (10) 3-indole acrylic acid; (11) 3-indole glyoxylic acid; (12) indole-3-pyruvic acid; (13) 3-indolelactic acid; (14) 3-indole butyric acid; (15) N-acetyl-tryptophanamide; (16) N-(3-indolylacetyl)-alanine; (17) N-(3-indolyl acetyl)-valine; (18) N-(3-indolyl acetyl)-isoleucine; (19) N-(3-indolyl acetyl)-leucine; (20) N-(3-indolyl acetyl)-aspartic acid; (21) N-(3-indolyl acetyl)-phenylalanine; (22) 4-hydroxyindole; (23) indole-4-carboxylic acid; (24) 4-indolyl acetate; (25) 4-methyl indole; (26) 5-hydroxy indole; (27) 5-hydroxy indole-3-acetic acid; (28) 5-hydroxy-2-indole carboxylic acid; (29) N-acetyl-5-hydroxytryptamine; (30) indole-5-carboxylic acid; (31) 5-methyl indole; (32) 5-methoxy indole; (33) indole-2-carboxylic acid; (34) indolene-2-carboxylic acid; (35) indole-2,3-dione; (36) 2-methyl indole; (37) 2,3,3-trimethyl indolenine; (38) tryptamine acid salts; (39) 5-methyl tryptamine acid salts; (40) serotonin acid salts; (41) norharman acid salts; (42) harmane acid salts; (43) harmine acid salts; (44) harmaline acid salts; (45) harmol acid salts; (46) harmalol acid salts; (47) 3,6-diamino acridine acid salts; (45) S-(3-indolyl) isothiuronium salts; (46) yohimbine acid salts; (47) 4,5-dihydro-3-(4-pyridinyl)-2H-benz(g) indazole methane acid salts; and mixtures thereof, indazole compounds, and mixtures thereof, wherein the recording sheet is suitable for receiving printed images, said substrate being selected from the group consisting of paper and transparent polymeric materials, said image receiving coating being suitable for receiving rapid drying images of an aqueous ink.