PATENT CLAIM ANALYSIS

Application Number: 16063615
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-03
Patent Classification: ["549", "275000"]

Abstract:
Disclosed are a compound as shown in formula I or formula II or a pharmaceutically acceptable salt thereof, wherein R 1  is selected from pyrazinyl or substituted pyrazinyl; and R 2  is selected from pyrazinyl or substituted pyrazinyl, phenyl or substituted phenyl, alkyl or substituted alkyl.

Claim (Index 18):
The preparation method according to  claim 17 , characterized in that in the step (i), the ginkgolide B and the compound as shown in the formula V have a mole ratio of 1:1 to 1:5; the ginkgolide B and the catalyst have a mole ratio of 1:0.1 to 1:0.3; and the ginkgolide B and the condensing agent have a mole ratio of 1:1.2 to 1:1.6.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 98.0
- Lexical Diversity: 1.7
- Patent Class: 549.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13287776', '15315363', '15123961', '14371054', '14403014']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7034611308618833
- 35 USC 102 Novelty (BERT): 0.5103914079055848
- Combined Prediction Score: 0.6841541585662535
- Mean Citation Score: 230.952538
- Max Citation Score: 236.55334
- Similarity Product: 158.7261076694441

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