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|6034254||Sulfolane and process therefor|
A process for reducing the odor of sulfolane fluid comprises contacting the fluid with and oxidizing agent under conditions sufficient to effect the substantial reduction of odor in the fluid....
A method of preparing a thiophene comprises reacting an organic compound containing a chain of at least 4 C atoms linked by single or double bonds with a source of sulphur in the vapor phase, in the presence of a supported catalyst, the catalyst having th...
A method of preparing a thiophene comprises reacting an organic compound containing a chain of at least 4 C atoms linked by single or double bonds with a source of sulphur in the vapour phase, in the presence of a jarosite-type catalyst, having the compos...
|4143052||Process for preparing thiophenes|
Preparation of a thiophene by the action of H2 S on an organic substance containing oxygen or sulphur. The substance which is used is an unsaturated carbonyl or thiocarbonyl compound, particularly an aldehyde, thioaldehyde, ketone or thioketone. ...
|3939179||Continuous production of thiophene from butane|
Thiophene is continuously produced by reacting normal butane or a normal butene and hydrogen sulfide at elevated temperatures over a dehydrogenation catalyst, said reaction being conducted in the presence of sulfur vapor introduced in an amount to maintai...