PATENT CLAIM ANALYSIS

Application Number: 15776847
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["203", "098000"]

Abstract:
A process for purifying methyl methacrylate by feeding a product mixture comprising methanol, methyl methacrylate and alkali metal salts thereof, methacrolein, water and heavy byproducts to a distillation column having at least 15 trays. The product mixture and a C 6 -C 7  hydrocarbon enter the distillation column above the middle of the distillation column. An overhead stream comprising C 6 -C 7  hydrocarbon, methacrolein, methanol, water and methyl methacrylate and a bottoms stream comprising water, methyl methacrylate and its alkali metal salt and heavy byproducts are removed from the column.

Claim (Index 5):
The process of  claim 4  wherein C 6 -C 7  hydrocarbon is a saturated hydrocarbon having an atmospheric pressure boiling point from 65 to 100\u00b0 C.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 93.0
- Lexical Diversity: 1.94231
- Patent Class: 203.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15776850', '16096730', '15760030', '15768027', '14916440']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6970138738466806
- 35 USC 102 Novelty (BERT): 0.4709570125135143
- Combined Prediction Score: 0.674408187713364
- Mean Citation Score: 176.84755
- Max Citation Score: 231.14
- Similarity Product: 223.85512640714649

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

Dataset: test