PATENT CLAIM ANALYSIS

Application Number: 15938606
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-08
Patent Classification: ["422", "224000"]

Abstract:
Present invention relates to a process and an installation ( 100 ) for the preparation of hydrogen cyanide by the Andrussow process, and more precisely for improving the conditions of mixing the reactant gases before feeding the Andrussow type reactor ( 60 ), in order to improve safety, to avoid any risk of explosion and to produce HCN in safe and efficient manner. The installation is configured in such a manner that oxygen is pre-mixed with air with a ratio comprised between 20.95% and 32.5% by volume, preferably between 25% and 30.5% by volume; methane containing gas and ammonia are simultaneously added in the pre-mixture of oxygen-enriched air in such a manner that the volumic ratio of methane to ammonia is comprised between 1.35 and 1.02 depending on the content of oxygen into air; said obtained reactant gases mixture having a temperature comprised between 80° C. and 120° C., preferably between 95° C. and 115° C. for feeding the Andrussow type reactor ( 60 ).

Claim (Index 10):
Installation according to  claim 1 , wherein said installation further comprises a control unit ( 50 ), able to manage a regulation of the flow rate of each reactant gas around a predetermined set value, said control unit being connected to at least one flow rate controller, placed on each gas stream, and to at least one safety valve, that is closed in case of a discrepancy between set value and measurements made by said flow rate controller.

Metadata:
- Claim Count in Document: 23.0
- Percentile: 90.0
- Lexical Diversity: 1.91398
- Patent Class: 422.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14905435', '14905462', '10733274', '15029306', '12529512']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8389288392465849
- 35 USC 102 Novelty (BERT): 0.5552948410967503
- Combined Prediction Score: 0.8105654394316015
- Mean Citation Score: 350.91836800000016
- Max Citation Score: 531.4579
- Similarity Product: 327.72363293913605

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

Dataset: test