PATENT CLAIM ANALYSIS

Application Number: 16092609
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["423", "219000"]

Abstract:
A method for the purification of a raw gas stream by selective catalytic oxidation, in which organic and inorganic sulfur compounds, halogenated and non-halogenated volatile organic compounds are selectively oxidized without substantially oxidizing the lower hydrocarbons and the sulfur containing compounds present in the gas to sulfur trioxide and excess of oxygen is removed by oxidation of lower alcohols, ethers or hydrogen added to the raw gas stream upstream the catalytic oxidation.

Claim (Index 1):
A process for purifying of a raw gas containing mainly C1-C5 hydrocarbons and carbon dioxide, and impurities of organic and inorganic sulfur compounds, halogenated and non-halogenated volatile organic compounds, oxygen, nitrogen and water, without substantially oxidizing the C1-C5 hydrocarbons and without substantially oxidizing the organic and inorganic sulfur compounds to sulfur trioxide, the process comprises the steps of\n contacting the raw gas at a temperature of between 200 and 450\u00b0 C. in one or more oxidation steps with a selective oxidation catalyst and oxidizing selectively in part or in full the organic and inorganic sulfur compounds and the halogenated and non-halogenated volatile organic compounds to carbon dioxide, water, sulfur dioxide and hydrogen halides; and removing at least part of excess of oxygen contained in the raw gas in the one or more oxidation steps by adding lower alcohols, lower ethers, hydrogen or combinations thereof to the raw gas upstream to at least one of the one or more oxidation steps and oxidizing the lower alcohols, lower ethers or hydrogen or combinations thereof to carbon dioxide and water with the at least part of the excess of oxygen; withdrawing and cooling a hot exit gas from the one or more oxidation steps comprising the C1-C5 hydrocarbons, sulfur dioxide, carbon dioxide, water, hydrogen halides and being essentially free of oxygen; and introducing the cooled exit gas into a purification step and removing the sulfur dioxide and the hydrogen halides, from the cooled exit gas; and collecting a purified exit gas comprising the C1-C5 hydrocarbons, carbon dioxide and water.

Metadata:
- Claim Count in Document: 41.0
- Percentile: 97.0
- Lexical Diversity: 1.58333
- Patent Class: 423.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['12153058', '13031486', '14816526', '12778548', '11151223']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7844150956957456
- 35 USC 102 Novelty (BERT): 0.4834681381724348
- Combined Prediction Score: 0.7543203999434146
- Mean Citation Score: 218.21919
- Max Citation Score: 222.89973
- Similarity Product: 173.34995858191968

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