Catalyst and method for its preparation
AssigneeJohnson Matthey Public Limited Company
InventorsPeter Bishop, Nicholas Andrew Carthey, Peter Johnston
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Abstract
A catalyst including gold, or a compound thereof, and sulphur, a compound of sulphur, trichloroisocyanuric acid or a metal dichloroisocyanurate on a support, together with a process for manufacturing the catalyst and its use in a chemical process are described.
Claims23
1-22. (canceled)
A catalyst comprising a complex of gold with a sulphur-containing ligand on a support.
A catalyst according to claim 244, wherein said sulphur-containing ligand is derived from a compound selected from the group consisting of a sulphonate, a thiosulphate, a thiocyanate, thiourea, thionyl chloride, thiopropionic acid and thiomalic acid.
A catalyst comprising gold, or a compound thereof, and trichloroisocyanuric acid or a metal dichloroisocyanurate on a support.
A process for the hydrochlorination of an alkyne comprising reacting said alkyne with HCl in the presence of a catalyst comprising gold or a compound of gold and sulphur or a compound of sulphur on a support.
A process for the hydrochlorination of an alkyne comprising reacting said alkyne with HCl in the presence of a catalyst comprising a support and
- (a) gold or a compound of gold, and
- (b) trichloroisocyanuric acid or a metal dichloroisocyanurate supported on the support.
Dependencies are inferred from the claim text.