04220634 is referenced by 16 patents and cites 8 patents.

Ammonium imidodisulfate and ammonium sulfamate may be converted to sulfur dioxide and ammonia by heating them with a reducing agent or a catalyst in a bath of molten ammonium sulfate and ammonium bisulfate. The reducing agent is sulfur or a sulfur compound and the catalyst is selected from Mo, W, Cu, Fe, Co, Cr, Mn and Ni.

Title
Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia
Application Number
6/2273
Publication Number
4220634
Application Date
January 10, 1979
Publication Date
September 2, 1980
Inventor
Henri Gruhier
Chatillon
FR
Sigismond Franckowiak
Rueil Malmaison
FR
Claude Dezael
Maisons Laffitte
FR
Andre Deschamps
Noisy le Roi
FR
Agent
Millen & White
Assignee
Institut Francais du Petrole
FR
IPC
C01C 1/02
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