Ink compositions
First Claim
Patent Images
1. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said ink is substantially free of water.
4 Assignments
0 Petitions
Accused Products
Abstract
An ink composition comprised of (1) a solid urea compound; (2) an alcohol; (3) a lightfastness component; (4) a lightfast antioxidant; and (5) a colorant.
21 Citations
28 Claims
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1. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said ink is substantially free of water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
- (2) an alcohol;
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21. An ink comprised of (1) a urea compound;
- (2) an optional alcohol;
(3) a lightfastness component;
(4) an antioxidant; and
(5) a colorant, and wherein said ink is substantially free of water.
- (2) an optional alcohol;
-
22. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said ink is substantially free of water, and wherein said urea is (1) 1-allyl-2-thiourea;
(2) 1-allyl-3-(2-hydroxyethyl)-2-thiourea;
(3)1-methyl-2-thiourea;
(4)1-methallyl-3-methyl-2-thiourea;
(5)1,3-dibutyl-2-thiourea;
(6) 1,1,3,3-tetramethyl-2-thiourea;
(7) N,N'"'"'-di-n-propyl thiourea; and
(8)1-benzyl-3-methyl-2-thiourea, 1-allyl-2-thiourea, or 1-allyl-3-(2-hydroxyethyl)-2-thiourea. - View Dependent Claims (27)
- (2) an alcohol;
-
23. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said alcohol is a cyclic alcohol selected from the group consisting of (1) cycloalkyl alcohols;
(2) 4-tert-butyl cyclohexanol;
(3) 3-aminomethyl-3,5,5-trimethyl cyclohexanol;
(4) 2,2,6,6-tetrachloro cyclohexanol;
(5) cycloalkane methanol;
(6) dicyclohexylmethanol;
(7) 3-cyclohexyl-1-propanol;
(8) 2-amino-3-cyclohexyl-1-propanol;
(9) (S)-2-(tert-butoxy carbonylamino)-3-cyclohexyl-1-propanol;
(10) cycloalkane diol;
(11) cis-3,5-cyclohexa diene-1,2-diol;
(12) p-menthane-3,8-diol;
(13) cyclohexane dimethanol;
(14) 3-cyclohexene-1,1-dimethanol;
(15) 1,3-dioxane-5,5-dimethanol; and
(16) piperidinemethanol.
- (2) an alcohol;
-
24. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said alcohol is a cyclic alcohol selected from the group consisting of (3) di(trimethylol propane);
(4) nitromethane trispropanol;
(5) 11-bromo-1-undecanol;
(6) 12-bromo-1-dodecanol;
(7) 2-methyl-2-propyl-1,3-propane diol;
(8) 2,2-diethyl-1,3-propanediol;
(9) (2-(hydroxymethyl)-1,3-propanediol;
(10) 2,2,4-trimethyl-1,3-pentanediol;
(11) 2-butyne-1,4-diol;
(12) (±
)-3,6-dimethyl-4-octyne-3,6-diol;
(13) 3,6-dithia-1,8-octanediol;
or (14) 2,4,7,9-tetramethyl-5-decyne-4,7-diol.
- (2) an alcohol;
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25. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said alcohol is a cyclic alcohol selected from the group consisting of (1) 2-(2-aminoethoxy)ethanol;
(2) 2-(2-amino ethylamino) ethanol;
(3) amino-1-propanol;
(4) 2-amino-1-butanol;
(5) 4-amino-1-butanol;
(6) 2-amino-3-methyl-1-butanol;
(7) 5-amino-1-pentanol;
(8) 6-amino-1-hexanol;
(9) DL-2-amino-1-hexanol; and
(10) (S)-(-)-N-(tert-butoxycarbonyl) leucinol;
or an aromatic alcohol.
- (2) an alcohol;
-
26. An ink composition comprised of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant, and wherein said alcohol is a cyclic alcohol selected from the group consisting of phenyl alcohol;
(1) phenylpropanol;
(2) 3-(4-hydroxy phenyl)-1-propanol;
(3) (S)-(-)-1-phenyl-1-butanol;
(4) 2-amino-1-phenyl ethanol;
(5) 3,4-dimethoxy phenethyl alcohol;
(6) 2-phenyl-1,2-propane diol;
(7) 3-phenoxy-1,2-propane diol;
(8) 3-methoxy catechol;
(9) benzhydrol;
(10) methyl benzhydrol;
(11) phenethylalcohol;
(12) 4-methoxy phenethyl alcohol;
(13) 2-hydroxy phenethyl alcohol; and
(14) 2-amino phenethylalcohol.
- (2) an alcohol;
-
28. A process which comprises providing an acoustic ink printer having a pool of the liquid ink of (1) a urea compound;
- (2) an alcohol;
(3) a lightfastness component;
(4) a lightfast antioxidant; and
(5) a colorant with a free surface, and a printhead including at least one droplet ejector for radiating the free surface of said ink with focused acoustic radiation to eject individual droplets of ink therefrom on demand, said radiation being brought to focus with a finite waist diameter in a focal plane, and causing droplets of the ink to be ejected in imagewise pattern onto a substrate.
- (2) an alcohol;
Specification