Appeal No. 2002-0699 Application No. 09/401,740 APPEALED SUBJECT MATTER Claim 1, 3, 8, 10, 15 and 17 are representative of the subject matter on appeal and read as follows: 1. An ink composition comprising (a) a styrene polymer or terpene polymer hardening component, (b) a nonpolymeric aromatic viscosity modifier, (c) a colorant, (d) an optional nonpolymeric aromatic ink vehicle, (e) an optional colorant dispersing agent, (f) an optional conductivity enhancing agent, (g) an optional antioxidant, and (h) an optional UV absorber. 3. An ink composition according to claim 1 wherein the ink has a melt viscosity at jetting temperature of no higher than about 25 centipoise. 8. An ink composition according to claim 1 wherein the hardening component is poly ("-methyl styrene), poly (vinyl toluene-co-"-methyl styrene), poly (methyl styrene-co-indene) hydrogenated, poly (styrene-co-allyl alcohol), polylimonene, poly-$-pinene, poly(coumarone-co-indene), or mixtures thereof. 10. An ink composition according to claim 1 wherein the viscosity modifier is a biphenyl compound, a fluorene compound. a phenanthrene compound, a pyrene compound, an adamantane compound, a dibenzo compound, a diphenyl phosphino compound, a phenylsulfonyl compound, or mixtures thereof. 15. An ink composition according to claim 1 containing an ink vehicle which is 4-hexyl resorcinol, 4-dodecyl resorcinol, 4-(tert-octyl) phenol, 4-bromo-N-dodecyl-1-hydroxy-2-naphthalene carboxamide 2,2-diphenyl-1,4-diazaspiro-4,5,deca-1,3-diene, N,N'- dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane, 1,4-dihydro-9-isopropylidene-1,4-methanonaphthalene, 1,4,4a,8a-tetrahydro-endo-1,4-methanonaphthalene, 1,5-dihydroxy 1,2,3,4-tetrahydronaphthalene, 2,5-difluorophenylhydrazine, or mixtures thereof. 17. An ink composition according to claim 1 containing a colorant dispersing agent which is 2-hydroxyisocaproic acid, 2- hydroxy isobutyric acid, benzylmalonic acid, dibenzoyltartaric acid, methylsuccinic acid, 2-ethyl-2-methylsuccinic acid, 2,2-dimethyl glutaric acid, 3,3-dimethylglutaric acid, 1-hydroxy-1-cyclopropane carboxylic acid, 2,2,3,3-tetramethyl cyclopropane carboxylic acid, 1-benzo cyclobutane carboxylic acid, 3-oxo-1-indan carboxylic acid, 2-oxo-6-pentyl- 2H-pyran-3-carboxylic acid, diphenyl carbonate, 1,2- 2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007