PATENT CLAIM ANALYSIS

Application Number: 15781361
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2019-01
Patent Classification: ["560", "055000"]

Abstract:
The subject of the invention is a process for the preparation of Latanoprostene bunod of formula (I) with a purity higher than 95% where chromatography is used applying normal phase gravity silica gel column chromatography where the used silica gel is irregular silica gel or spherical silica gel an as eluent and eluent mixture consisting of an apolar and a polar solvent is used and if desired, contamination of the purified compound of formula I arising from the solvents are removed by silica gel filtration chromatography.

Claim (Index 11):
Process as defined in  claim 9 , characterized in that, the eluent mixture contains as polar solvent an alcohol-, ether-, ester- or ketone-type solvent containing straight or branched open-chain or cyclic alkyl or cycloalkyl group.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 94.0
- Lexical Diversity: 1.56897
- Patent Class: 560.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15117092', '12999112', '12865581', '11189985', '13884422']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7287238895738768
- 35 USC 102 Novelty (BERT): 0.5642386251271514
- Combined Prediction Score: 0.7122753631292043
- Mean Citation Score: 244.068288
- Max Citation Score: 371.75714
- Similarity Product: 275.1766451718831

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