PATENT CLAIM ANALYSIS

Application Number: 16071553
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-01
Patent Classification: ["568", "749000"]

Abstract:
The present invention relates to a method for purifying phenol, which comprises: supplying a feed comprising phenol, acetone, hydroxyacetone and water to a distillation column at 60° C. to 95° C.; separating the feed into a first fraction, which comprises the acetone, and separates to the upper part of the distillation column and a second fraction, which comprises the phenol, and separates to the lower part of the distillation column; and recovering the first fraction and the second fraction, respectively.

Claim (Index 8):
The method of  claim 1 , wherein the hydroxyacetone in the second fraction is contained at 200 ppm or less based on weight of the second fraction.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 95.0
- Lexical Diversity: 2.19048
- Patent Class: 568.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12808369', '10888533', '15469251', '12633737', '15751190']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7113489968318069
- 35 USC 102 Novelty (BERT): 0.526372896605598
- Combined Prediction Score: 0.692851386809186
- Mean Citation Score: 228.493712
- Max Citation Score: 286.35098
- Similarity Product: 177.4449988197708

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

Dataset: test