PATENT CLAIM ANALYSIS

Application Number: 15897988
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["502", "300000"]

Abstract:
A process of methane catalytic conversion produces olefins, aromatics, and hydrogen under oxygen-free, continuous flowing conditions. Such a process has little coke deposition and realizes atom-economic conversion. Under the conditions encountered in a fixed bed reactor (i.e. reaction temperature: 750-1200° C.; reaction pressure: atmospheric pressure; the weight hourly space velocity of feed gas: 1000-30000 ml/g/h; and fixed bed), conversion of methane is 8-50%. The selectivity of olefins is 30-90%. And selectivity of aromatics is 10-70%. The catalyst for this methane conversion has a SiO 2 -based matrix having active species that are formed by confining dopant metal atoms in the lattice of the matrix.

Claim (Index 18):
A method for preparing the catalyst of  claim 1 , comprising:\n dissolving a liquid silicon source and a metal salt selected from the group consisting of metal nitrates, metal halides, metal sulfates, metal carbonates, metal hydroxides, metal organic acid salts having 1 to 10 carbon atoms, and metal alkoxides having 1 to 10 carbon atoms in a mixture of water and ethanol wherein a weight content of water in the mixture is 10-100%; obtaining a sol gel from the mixture after hydrolysis and condensation; drying the slurry to obtain a powder; melting the powder at a temperature ranging from 1300\u00b0 C. to 2000\u00b0 C. to a molten mixture; cooling the molten mixture to a solid; and grinding the solid to particles.

Metadata:
- Claim Count in Document: 14.0
- Percentile: 88.0
- Lexical Diversity: 1.59494
- Patent Class: 502.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14003551', '16300188', '14005479', '10395421', '15179478']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.760096482285777
- 35 USC 102 Novelty (BERT): 0.5487700152764684
- Combined Prediction Score: 0.7389638355848461
- Mean Citation Score: 257.674064
- Max Citation Score: 399.82275
- Similarity Product: 381.7122065572143

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