PATENT CLAIM ANALYSIS

Application Number: 15770522
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2019-02
Patent Classification: ["562", "512200"]

Abstract:
The invention concerns a process for oxidative dehydrogenation of ethane. In the process an ethane comprising stream is fed to a distillation column to remove propane. The purified ethane stream is subjected to oxidative dehydrogenation using a catalyst comprising Mo/V/Sb, or Mo/V/Nb and Te or Sb in the orthorhombic M1 crystalline phase. The reactor effluent comprises ethylene. The effluent is washed with water to remove acetic acid. The acetic acid is recovered from the aqueous stream by means of solvent extraction.

Claim (Index 1):
A process for oxidative dehydrogenation of ethane, comprising the steps of:\n (a) feeding a gas stream comprising ethane and propane to a distillation column to obtain a stream comprising propane and a stream comprising ethane; (b) feeding at least a part of the gas stream comprising ethane obtained in step (a) to a reactor; (c) contacting, in the reactor, oxygen and ethane and optionally ethylene with a catalyst comprising a mixed metal oxide; (d) cooling the reactor effluent and, simultaneously and/or in a subsequent step, add water to the reactor effluent to obtain a liquid stream comprising water and acetic acid and a gas stream comprising ethylene; (e) recovering the acetic acid from the liquid stream obtained in step (d) by means of solvent extraction; wherein at least 50 wt % of the mixed metal oxide in the catalyst used in step (c) is in the orthorhombic M1 crystalline phase; and wherein the mixed metal oxide in the catalyst used in step (c) comprises:\n molybdenum, vanadium and antimony, or \n molybdenum, vanadium, niobium and optionally tellurium or antimony.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 91.0
- Lexical Diversity: 1.6
- Patent Class: 562.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13783727', '15366277', '15322479', '16470462', '15760272']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6831230329003154
- 35 USC 102 Novelty (BERT): 0.5109455355162263
- Combined Prediction Score: 0.6659052831619064
- Mean Citation Score: 262.37768
- Max Citation Score: 268.34012
- Similarity Product: 208.39188243713383

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