PATENT CLAIM ANALYSIS

Application Number: 16017390
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2019-01
Patent Classification: ["544", "280000"]

Abstract:
Object of the present invention is an improved process for the preparation of (3R,4R)-1-benzyl-4-methylpiperidin-3-amine by means of chiral Rhodium catalysts.

Claim (Index 16):
A method of preparing the compound of formula (II): or a salt thereof wherein the asymmetric carbons marked with the symbol * have an optical configuration of (1) 3-R and 4-R or (2) 3-S and 4-S, or mixture thereof, with the exclusion of the racemic mixture, the method comprising asymmetric hydrogenation of the compound of formula (III) or a salt thereof, in 2,2,2-trifluoroethanol.

Metadata:
- Claim Count in Document: 38.0
- Percentile: 94.0
- Lexical Diversity: 1.14286
- Patent Class: 544.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13772242', '14122540', '14026794', '15537954', '13528099']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7448412171300564
- 35 USC 102 Novelty (BERT): 0.4816509934409264
- Combined Prediction Score: 0.7185221947611433
- Mean Citation Score: 202.434464
- Max Citation Score: 213.79897000000005
- Similarity Product: 161.95559825682582

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

Dataset: test