PATENT CLAIM ANALYSIS

Application Number: 15755025
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["524", "458000"]

Abstract:
A method for producing an aqueous dispersion of hollow polymer particles including: a core formation step wherein core polymer particles are formed by copolymerizing a monomer mixture; a first shell layer formation step wherein first shell layers that cover the particles are formed by copolymerizing a monomer mixture in the presence of the particles; a core swelling step wherein the particles are swelled by adding a base into an aqueous dispersion containing the particles, which have been provided with the first shell layers, and setting the pH of the aqueous dispersion to 7 or more; a polymerization stopping step wherein the polymerization is stopped after the core swelling step; and a shell swelling step wherein the first shell layers are swelled by adding a monomer mixture into the aqueous dispersion containing the particles, which have been provided with the first shell layers and swelled, after the polymerization stopping step.

Claim (Index 1):
A method for producing an aqueous dispersion of hollow polymer particles, the method comprising:\n a core formation step of forming core polymer particles (A) by copolymerizing a monomer mixture (a); a first shell layer formation step of forming a first shell layer (B) which substantially covers the core polymer particles (A) by copolymerizing a monomer mixture (b) in the presence of the core polymer particles (A); a core swelling step of swelling the core polymer particles (A) by adding a base into an aqueous dispersion containing the core polymer particles (A) on which the first shell layer (B) is formed, and setting a pH of the aqueous dispersion to 7 or more; a polymerization stopping step of stopping polymerization after the core swelling step; and a shell swelling step of, after the polymerization stopping step, swelling the first shell layer (B) by adding a monomer mixture (c) to the aqueous dispersion containing the core polymer particles (A) on which the first shell layer (B) is formed, the core polymer particles (A) being swelled.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 88.0
- Lexical Diversity: 2.69492
- Patent Class: 524.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14775276', '14965518', '14067380', '15504375', '15504373']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8206980976136669
- 35 USC 102 Novelty (BERT): 0.4857522746075748
- Combined Prediction Score: 0.7872035153130577
- Mean Citation Score: 249.705438
- Max Citation Score: 281.7213
- Similarity Product: 252.92922320052983

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

Dataset: test