PATENT CLAIM ANALYSIS

Application Number: 16015227
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-10
Patent Classification: ["514", "395000"]

Abstract:
The present invention belongs to the pharmaceutical field, and relates to a preparation method for a series of benzimidazole derivatives, their pharmaceutical salts and pharmaceutically acceptable prodrugs, a pharmaceutical composition containing the derivatives, and the uses of the derivatives and pharmaceutical composition in the preparation of antigout drugs and in the treatment of related diseases.

Claim (Index 1):
A benzimidazole derivative having the structure of Formula (I): or a pharmaceutically acceptable salt or prodrug thereof, wherein: R 1  and R 2  are selected from the group consisting of hydrogen, alkyl, phenyl and substituted phenyl, wherein the substituent in said substituted phenyl is selected from the group consisting of halogen, cyano, alkyl, alkoxy, ester, N-acyl derivatives, N-acyloxy derivatives and amino acid conjugates; R 3  is selected from the group consisting of hydrogen, halogen, cyano, linear or branched C 1-6  alkyl and linear or branched C 1-6  alkoxy; R 4  is selected from the group consisting of alkyl, phenyl, substituted phenyl, naphthyl and substituted naphthyl, wherein the substituent in said substituted phenyl and substituted naphthyl is selected from the group consisting of halogen, cyano, alkyl, alkoxy, ester, N-acyl derivatives, N-acyloxy derivatives and amino acid conjugates; and M is selected from the group consisting of hydrogen, C 1-6  alkyl, amino, ester and pharmaceutically acceptable cations.

Metadata:
- Claim Count in Document: 16.0
- Percentile: 94.0
- Lexical Diversity: 1.76471
- Patent Class: 514.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14777317', '15492306', '14576683', '14210888', '14911000']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8241543386969766
- 35 USC 102 Novelty (BERT): 0.5263574920646777
- Combined Prediction Score: 0.7943746540337467
- Mean Citation Score: 317.392386
- Max Citation Score: 349.67477
- Similarity Product: 263.66972330094933

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