PATENT CLAIM ANALYSIS

Application Number: 15741722
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["540", "594000"]

Abstract:
The present invention provides a process for the preparation of crystalline Lorcaserin hydrochloride hemihydrate of Formula (1a), which comprises, Formula (1a) (i) providing a solution of Lorcaserin base in a solvent; (ii) if water is present, removing water from the reaction mixture; (iii) adding hydrogen chloride to the reaction mixture; (iv) combining the reaction mixture with a suitable anti-solvent; and (v) isolating the crystalline Lorcaserin hydrochloride hemihydrate of Formula (1a).

Claim (Index 6):
The process as claimed in  claim 5 , wherein ester is selected from the group comprising ethyl acetate, n-propyl acetate, n-butyl acetate, isobutyl acetate, t-butyl acetate, methyl acetate or mixtures thereof.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 86.0
- Lexical Diversity: 1.88
- Patent Class: 540.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15035876', '14373163', '12602348', '15107032', '15168880']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6194434097209746
- 35 USC 102 Novelty (BERT): 0.5133703510373635
- Combined Prediction Score: 0.6088361038526134
- Mean Citation Score: 201.342388
- Max Citation Score: 240.15707
- Similarity Product: 160.02457134895562

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