PATENT CLAIM ANALYSIS

Application Number: 15867975
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["562", "599000"]

Abstract:
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with a molten salt catalyst comprising an ionic liquid (IL) and an acid in liquid phase are provided.

Claim (Index 18):
A method of making acrylic acid comprising contacting a feed stream comprising lactide with a molten salt catalyst in a reactor at 150\u00b0 C.; wherein said molten salt catalyst comprises [PBu 4 ]Br and 2-BrPA at a molar ratio of about 20; wherein said contacting proceeds under atmospheric pressure; and whereby acrylic acid is produced as a result of said contacting in said reactor with an acrylic acid yield of at least about 52 mol %.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 86.0
- Lexical Diversity: 1.47059
- Patent Class: 562.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15868002', '15661016', '15342428', '13760472', '14515704']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7387065863437322
- 35 USC 102 Novelty (BERT): 0.5872285850365859
- Combined Prediction Score: 0.7235587862130175
- Mean Citation Score: 367.556356
- Max Citation Score: 526.5065
- Similarity Product: 407.43625158962607

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