PATENT CLAIM ANALYSIS

Application Number: 15966386
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-08
Patent Classification: ["430", "108230"]

Abstract:
Provided is a yellow toner that has excellent pigment dispersibility, and thus gives a high image density and causes little fog. A yellow toner of the present invention includes at least a binder resin and a yellow pigment, wherein the binder resin is a copolymer that contains 67 to 88% by mass of a styrene-based monomer unit and 12 to 33% by mass of a alkyl (meth)acrylate monomer unit, wherein a content of the yellow pigment is 3 to 15 parts by mass with respect to 100 parts by mass of the binder resin; and wherein a interfacial tension of a mixed solution of 9 parts by mass of the yellow pigment, 72 parts by mass of styrene and 28 parts by mass of n-butyl acrylate with respect to water, is 5 to 19 mN/m.

Claim (Index 3):
A method for producing a yellow toner comprising at least a binder resin and a yellow pigment,\n wherein the binder resin is a copolymer that contains 67 to 88% by mass of a styrene-based monomer unit and 12 to 33% by mass of an alkyl (meth)acrylate monomer unit; wherein the styrene-based monomer unit is a monomer unit that relates to at least one kind of monomer selected from the group consisting of styrene, vinyltoluene, methylstyrene and ethyl styrene; wherein the alkyl (meth)acrylate monomer unit is a monomer unit that relates to at least one kind of monomer selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, dimethylaminoethyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethylhexyl methacrylate and dimethylaminoethyl methacrylate; wherein a content of the yellow pigment is 3 to 15 parts by mass with respect to 100 parts by mass of the binder resin; and wherein the method comprises a step of selecting, as the yellow pigment, a yellow pigment that gives an interfacial tension of 5 to 19 mN/m of a mixed solution containing 9 parts by mass of the yellow pigment, 72 parts by mass of styrene and 28 parts by mass of n-butyl acrylate with respect to water.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 91.0
- Lexical Diversity: 2.08451
- Patent Class: 430.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15019403', '15870234', '15568952', '15561833', '16327488']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7807401555309206
- 35 USC 102 Novelty (BERT): 0.5119417659528659
- Combined Prediction Score: 0.7538603165731151
- Mean Citation Score: 278.668736
- Max Citation Score: 332.7676
- Similarity Product: 293.6375140365124

Labels:
- Claim Label 101: 0
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 0
- Label 101 Adjusted: 0

Dataset: test