PATENT CLAIM ANALYSIS

Application Number: 15763676
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["514", "322000"]

Abstract:
Disclosed in the present invention are a salt type and crystal type of 4H-pyrazolo[1, 5-alpha]benzimidazole compound and the preparation method and intermediate thereof.

Claim (Index 13):
A preparation method for the crystal type A according to  claim 8 , comprising adding the compound of formula (I) in any form into a solvent together with maleic acid to crystallize, wherein,\n the molar ratio of maleic acid to the compound of formula (I) is 1:1.05-1.2; the amount of the solvent is 8-12 times the weight of the compound of formula (I); the reaction solvent is an alcoholic solvent and/or a mixed solvent containing an alcoholic solvent and water; specifically, the alcoholic solvent is methanol, ethanol and/or isopropanol; specifically, the mixed solvent of the alcoholic solvent and water is a mixed solvent of methanol, ethanol, isopropanol and water; specifically, the volume ratio of the alcoholic solvent and water is 1:0.05-0.1.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 90.0
- Lexical Diversity: 1.16
- Patent Class: 514.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15514326', '14415891', '15573061', '15566872', '11286055']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7534244262947941
- 35 USC 102 Novelty (BERT): 0.4990245978125125
- Combined Prediction Score: 0.727984443446566
- Mean Citation Score: 222.123906
- Max Citation Score: 232.25311
- Similarity Product: 159.13207310644864

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

Dataset: test