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US 4,284,817 AGranted
Process for preparing thiophenols
AssigneeStauffer Chemical Company
InventorsKyung S. Shim, Adam E. Skrzec
Life of this patent
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Abstract
Thiophenols are produced by reacting the corresponding benzene compound with hydrogen sulfide in contact with an absorptive catalyst, such as activated carbon, calcined petroleum coke, etc. Temperatures in the range of from about 500.degree. to 900.degree. C. are employed.
Claims12
A process for producing thiophenol which comprises reacting benzene with at least a stoichiometric amount of hydrogen sulfide in contact with an absorptive catalyst having a large surface area.
Dependencies are inferred from the claim text.