PATENT CLAIM ANALYSIS

Application Number: 16087317
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-04
Patent Classification: ["514", "260100"]

Abstract:
The invention describes a polymorph of (R)-methyl-2-(3-aminopiperidin-1-yl)-3-(2-cyanobenzyl)-4-carbonyl-3,4-dihydrothiophene[3,2-d]pyrimidine-6-carboxylic acid maleate and a preparation method therefor. The polymorph is a crystal having high stability and low hygroscopicity, and the crystal form is selected from crystal form A, crystal form B and crystal form C. Furthermore, the crystal form has a strong in-vivo hypoglycemic activity and can be used for the preparation of a novel drug for the treatment or prevention of diabetes mellitus type H and/or complications of diabetes mellitus type H.

Claim (Index 9):
A pharmaceutical composition, comprising:\n (a) the crystal form A, B or C of  claim 1 , and (b) a pharmaceutically acceptable carrier.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 97.0
- Lexical Diversity: 1.63934
- Patent Class: 514.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['16087318', '15549918', '15329813', '12870507', '15772946']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6809127350814185
- 35 USC 102 Novelty (BERT): 0.5354027183734846
- Combined Prediction Score: 0.6663617334106251
- Mean Citation Score: 247.14044600000005
- Max Citation Score: 348.92108
- Similarity Product: 270.9627114720774

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