PATENT CLAIM ANALYSIS

Application Number: 15868002
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["502", "164000"]

Abstract:
Catalysts for the dehydration of lactic acid, lactic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof in liquid phase comprising an ionic liquid (IL) and an acid are provided.

Claim (Index 23):
A catalyst for making acrylic acid, acrylic acid derivatives, or mixtures thereof by dehydrating lactic acid, lactic acid derivatives, or mixtures thereof; wherein said catalyst is a molten salt and comprises an IL and an acid; wherein said IL is ethyltriphenylphosphonium bromide ([EtPPh 3 ]Br) and said acid is hydrobromic acid (HBr); wherein the molar ratio of said [EtPPh 3 ]Br to said HBr is between about 2 and about 5; and whereby said acrylic acid is produced with a yield of at least about 25 mol %.

Metadata:
- Claim Count in Document: 16.0
- Percentile: 86.0
- Lexical Diversity: 1.55556
- Patent Class: 502.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15661016', '13760472', '14515704', '13839986', '13838692']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7594598700441173
- 35 USC 102 Novelty (BERT): 0.5984296342783014
- Combined Prediction Score: 0.7433568464675357
- Mean Citation Score: 304.353364
- Max Citation Score: 533.49567
- Similarity Product: 420.5294083422196

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

Dataset: test