Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...
Reexamination Certificate
2006-11-21
2006-11-21
Dang, Thuan Dinh (Department: 1764)
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By ring formation from nonring moiety, e.g., aromatization,...
C585S906000
Reexamination Certificate
active
07138556
ABSTRACT:
The method comprises separation of contacting products into liquid and gaseous products, complete burning of gaseous products in the presence of the catalyst of complete oxidation of light hydrocarbons and addition of carbon dioxide and water vapor mixture formed during burning to the raw paraffin hydrocarbons. The mixture of paraffin hydrocarbons C2÷C5is used as a raw material in this method. Before feeding the said mixture of hydrocarbons the catalyst is subjected to treatment by paraffin hydrocarbons C3÷C4mixed with mercaptan so that the amount of mercaptan passed through the catalyst is 0.01–0.1 mass % of the catalyst weight.
REFERENCES:
patent: 2863825 (1958-12-01), Engel
patent: 2030376 (1995-03-01), None
patent: 2163624 (2001-02-01), None
Dang Thuan Dinh
patenttm.us
Walters James H.
LandOfFree
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