PATENT CLAIM ANALYSIS

Application Number: 15747256
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-08
Patent Classification: ["568", "311000"]

Abstract:
Provided is a method of producing 2-hydroxy-1,4-naphthoquinone in a large amount, a high yield, and inexpensively. This method comprises oxidizing 2-hydroxynaphthalene with hydrogen peroxide in (1) an alkaline aqueous solution or in (2) a mixture of an alkaline aqueous solution with an inert organic solvent incompatible with water, in the presence of a vanadium catalyst.

Claim (Index 2):
The method according to  claim 1 , wherein the alkaline aqueous solution is an aqueous solution of sodium hydroxide or potassium hydroxide.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 86.0
- Lexical Diversity: 1.52381
- Patent Class: 568.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15516736', '15770248', '13609373', '15457493', '12442702']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6134214419133919
- 35 USC 102 Novelty (BERT): 0.4812677421602936
- Combined Prediction Score: 0.6002060719380821
- Mean Citation Score: 85.4678512
- Max Citation Score: 91.59438
- Similarity Product: 62.44593711350442

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

Dataset: test