PATENT CLAIM ANALYSIS

Application Number: 16150977
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-01
Patent Classification: ["546", "184000"]

Abstract:
This invention provides an isolated compound having the structure: or a salt thereof. The invention also provides for a process for preparing 4-(3-(methylsulfonyl)phenyl)-1-propylpiperidin-4-ol, 1-(3,3-bis(3-(methylsulfonyl)phenyl)propyl)-4-(3-(methylsulfonyl) phenyl)piperidone, 1,4-bis((3-(1-propylpiperidin-4-yl)phenyl)sulfonyl)butane, (3R,4S)-4-(3-(methylsulfonyl)phenyl)-1-propylpiperidin-3-ol, 4-(3-(methylsulfonyl)phenyl)-1-propylpiperidine 1-oxide, 1-(2-methylpentyl)-4-(3-(methylsulfonyl)phenyl)piperidine, 4-(3-(methylsulfinyl)phenyl)-1-propyl-1,2,3,6-tetrahydropyridine, and 4-(3-(methylsulfonyl)phenyl)-1-propyl-1,2,3,6-tetrahydropyridine. This invention also provides an impurity or a salt thereof for use, as a reference standard to detect trace amounts of the impurity in a pharmaceutical composition comprising pridopidine or a pharmaceutically acceptable salt thereof. This invention further provides a process for producing a pridopidine drug product comprising obtaining a pridopidine drug substance and. mixing the pridopidine drug substance with suitable excipients so as to produce the pridopidine drug product. This invention also provides a process for producing a pridopidine drug product. This invention also provides a process of distributing a pridopidine drug product.

Claim (Index 87):
The process of any one of  claims 80 - 86 , wherein the process further comprises subjecting a sample of the batch of pridopidine drug product to stability testing before determining the amount of the at least one of Compound 1, Compound 2, Compound 3, Compound 4, Compound 5, and Compound 6 in the sample of the batch of pridopidine drug product.

Metadata:
- Claim Count in Document: 63.0
- Percentile: 97.0
- Lexical Diversity: 3.0
- Patent Class: 546.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['14754339', '15217683', '13888709', '13708816', '14613845']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.744867344632036
- 35 USC 102 Novelty (BERT): 0.6083484458785859
- Combined Prediction Score: 0.731215454756691
- Mean Citation Score: 301.388972
- Max Citation Score: 584.1418
- Similarity Product: 465.29566464877126

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