PATENT CLAIM ANALYSIS

Application Number: 16303250
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-07
Patent Classification: ["568", "868000"]

Abstract:
The invention provides a process for the production of a high purity first diol, selected from the group consisting of C2 to C7 diols from a product stream comprising two or more C2 to C7 diols, said process comprising the steps of: (i) subjecting the product stream to distillation in a first distillation column to provide a bottoms stream comprising high boiling by-products and a top stream comprising a mixture comprising the two or more C2 to C7 diols; (ii) providing said mixture comprising the two or more C2 to C7 diols as a feed to a second distillation column; (iii) providing a feed comprising an extractant to the second distillation column above the mixture comprising the two or more C2 to C7 diols; (iv) operating the second distillation column at a temperature in the range of from 50 to 250° C. and a pressure in the range of from 0.1 to 400 kPa; (v) removing a stream comprising the first diol and the extractant as a bottoms stream from the second distillation column; and (vi) subjecting the stream comprising the first diol and the extractant to distillation in a third distillation column to provide a top stream comprising the first diol in high purity, wherein the extractant is selected from the group of C3 to C6 sugar alcohols and mixtures thereof.

Claim (Index 7):
The process according to  claim 6 , wherein at least a portion of the bottoms stream comprising the extractant is then recycled to the second distillation column as at least a portion of the feed comprising an extractant.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 98.0
- Lexical Diversity: 3.05
- Patent Class: 568.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15761616', '15533815', '13431308', '15564438', '14950503']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6799565213336141
- 35 USC 102 Novelty (BERT): 0.6433051711363372
- Combined Prediction Score: 0.6762913863138864
- Mean Citation Score: 411.36125
- Max Citation Score: 580.29926
- Similarity Product: 563.5853899266099

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

Dataset: test