PATENT CLAIM ANALYSIS

Application Number: 16043324
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-02
Patent Classification: ["564", "458000"]

Abstract:
Disclosed is a process for recovering formic acid from a formate ester of a C 3  to C 4  alcohol. Disclosed is also a process for producing formic acid by carbonylating a C 3  to C 4  alcohol, hydrolyzing the formate ester of the alcohol, and recovering a formic acid product. The alcohol may be dried and returned to the reactor. The process enables a more energy efficient production of formic acid than the carbonylation of methanol to produce methyl formate.

Claim (Index 1):
A process for recovering formic acid from a formate ester mixture, wherein the process comprises,\n a) feeding the formate ester mixture, a hydrolysis recycle, and water to a hydrolysis zone, wherein the formate esters mixture comprises a formate ester of an alcohol, hydrolyzing the formate ester of the alcohol, and removing a hydrolysis effluent comprising the formate ester of the alcohol, formic acid, and the alcohol; b) feeding the hydrolysis effluent to a distillation zone and removing a formic acid product and a wet alcohol mixture, wherein the formic acid product comprises greater than 75 wt. % formic acid and the wet alcohol mixture comprises the alcohol, water, the formate ester of the alcohol, and less than 0.5 wt. % formic acid; and c) feeding the wet alcohol mixture to an alcohol recovery zone and removing a dry alcohol stream and the hydrolysis recycle, wherein the dry alcohol stream comprises the alcohol and less than 1 wt. % water, and the hydrolysis recycle stream comprises water, the formate ester of the alcohol, and/or the alcohol, wherein the alcohol is selected from the group consisting of C 3  to C 4  alcohols.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 95.0
- Lexical Diversity: 2.02326
- Patent Class: 564.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['16043329', '16332853', '10536689', '13473126', '10894307']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6630542237859286
- 35 USC 102 Novelty (BERT): 0.6427271079897581
- Combined Prediction Score: 0.6610215122063116
- Mean Citation Score: 337.267374
- Max Citation Score: 549.3318
- Similarity Product: 535.6302785420895

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