PATENT CLAIM ANALYSIS

Application Number: 16293100
Application Type: Utility
Filing Date: 2019-03
Publication Date: 2019-06
Patent Classification: ["544", "406000"]

Abstract:
The purpose of the present invention is to provide a method for producing 6-bromo-3-hydroxy-2-pyrazinecarboxamide in which the content ratio of impurities is reduced. This production method includes a step of obtaining 6-bromo-3-hydroxy-2-pyrazinecarboxamide crystal having diffraction angles expressed in degrees 2θ of 5.5, 20.1, 23.7, 26.7, 27.5, and 28.1° and/or diffraction angles expressed in degrees 2θ of 7.1, 21.4, 25.2, 25.7, 27.1, and 28.8° in powder X-ray diffraction.

Claim (Index 4):
The method of  claim 3 , wherein the base is at least one base selected from the group consisting of sodium hydroxide, sodium hydrogen carbonate, and potassium hydroxide, and the acid is at least one acid selected from the group consisting of hydrochloric acid, nitric acid, and sulfuric acid.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 99.0
- Lexical Diversity: 1.58
- Patent Class: 544.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15580731', '14165365', '12870507', '15329813', '14729130']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7938002575110046
- 35 USC 102 Novelty (BERT): 0.579809252426295
- Combined Prediction Score: 0.7724011570025336
- Mean Citation Score: 354.493742
- Max Citation Score: 537.6004
- Similarity Product: 391.4961302197695

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

Dataset: test