PATENT CLAIM ANALYSIS

Application Number: 16165575
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-02
Patent Classification: ["562", "519000"]

Abstract:
Processes for purifying acetic acid by distilling a process stream in a column in which acetic anhydride is formed in the lower portion of the column. The product stream withdrawn from the column comprises acetic acid, water at a concentration of no more than 0.2 wt. %, and acetic anhydride at a concentration of no more than 600 wppm. The process further comprises hydrating the acetic anhydride in the product stream to form a purified acetic acid product comprising acetic anhydride at a concentration of no more than 50 wppm.

Claim (Index 38):
The process of  claim 21 , further comprising obtaining an overhead stream in the first column and refluxing a condensed portion of the overhead stream to the first column.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 97.0
- Lexical Diversity: 2.08696
- Patent Class: 562.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15348466', '15863484', '15348338', '14873636', '14874355']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7332237920796986
- 35 USC 102 Novelty (BERT): 0.55406904896149
- Combined Prediction Score: 0.7153083177678777
- Mean Citation Score: 396.250094
- Max Citation Score: 428.8777
- Similarity Product: 257.2166066300988

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