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-
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007