Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
68 words
A toner composition for the electrophotography, which comprises as a main component a urethane-modified polyester resin (C) obtained by reacting a polyester resin (A) having a number average molecular weight of 1000 to 15000 with an isocyanate compound in an amount of 0.05 to 0.95 mole-equivalent per mole of the hydroxyl group of the polyester resin, said resin (C) having a glass transition temperature of 40 to 80°C.
Claim 2
Dependent Claim
68 words
A toner composition for the electrophotography, which comprises as a main component a urethane-modified polyester resin (C) obtained by reacting a polyester resin (A) having a number average molecular weight of 1000 to 15000 with an isocyanate compound in an amount of 0.05 to 0.95 mole-equivalent per mole of the hydroxyl group of the polyester resin, said resin (C) having a glass transition temperature of 40 to 80°C.
Claim 3
Dependent Claim
25 words
A toner composition for the electrophotography according to claim 1, wherein the number average molecular weight of the polyester resin (A) is 6000 to 15000.
Claim 4
Dependent Claim
40 words
A toner composition for the electrophotography according to claim 1 or 2, wherein the isocyanate compound (B) comprises a diisocyanate compound in an amount of 0.3 to 0.95 mole-equivalent per mole of the hydroxyl group of the polyester resin (A).
Claim 5
Dependent Claim
116 words
A toner composition for the electrophotography, which comprises as a main component a resin mixture (E) comprising a urethane-modified polyester resin (C) obtained by reacting a polyester resin (A) having a number average molecular weight of 1000 to 15000 with an isocyanate compound (B) in an amount of 0.05 to 0.95 mole-equivalent per mole of the hydroxyl group of the polyester resin (A), said resin (C) having a glass transition temperature of 40 to 80°C, and a polymer (D) having a number average molecular weight of 1000 to 10000, the (C)/(D) weight ratio being in the range of from 30/70 to 95/5 and the glass transition temperature of said resin mixture (E) being 40 to 80°C.
Claim 6
Dependent Claim
116 words
A toner composition for the electrophotography, which comprises as a main component a resin mixture (E) comprising a urethane-modified polyester resin (C) obtained by reacting a polyester resin (A) having a number average molecular weight of 1000 to 15000 with an isocyanate compound (B) in an amount of 0.05 to 0.95 mole-equivalent per mole of the hydroxyl group of the polyester resin (A), said resin (C) having a glass transition temperature of 40 to 80°C, and a polymer (D) having a number average molecular weight of 1000 to 10000, the (C)/(D) weight ratio being in the range of from 30/70 to 95/5 and the glass transition temperature of said resin mixture (E) being 40 to 80°C.
Claim 7
Dependent Claim
28 words
A toner composition for the electrophotography according to claim 4, wherein the polymer (D) is a polyester resin having a number average molecular weight of 1000 to 5000.
Claim 8
Dependent Claim
36 words
A toner composition for the electrophotography according to claim 5, wherein the polymer (D) is a condensate of a propylene oxide adduct of bisphenol A with an aromatic dibasic acid and/or a lower alkyl ester thereof.
Claim 9
Dependent Claim
28 words
A toner composition for the electrophotography according to claim 4, wherein the polymer (D) is a vinyl copolymer having a number average molecular weight of 2000 to 10000.
Claim 10
Dependent Claim
28 words
' 8. A toner composition for the electrophotography according to claim 7, wherein the vinyl copolymer is a copolymer of styrene with an aliphatic unsaturated carboxylic acid ester.
Claim 11
Dependent Claim
44 words
A toner composition for the electrophotography according to claim 1, 2 or 4, wherein the isocyanate compound (B) comprises a trifunctional to hexafunctional polyisocyanate compound in an amount of 0.05 to 0.3 mole-equivalent per mole of the hydroxyl group of the polyester resin (A).