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US 2004/0002621 A1Published application
Synthesis of hexafluoropropylene
AssigneeE. I. Du Pont de Nemours and Company
InventorsJohn James Barnes, Kenneth Paul Kelch, Thomas D. Sandbrook, David John Van Bramer
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Abstract
The present invention relates to the process of pyrolyzing tetrafluoroethylene to hexafluoropropylene by carrying out the pyrolysis in a tubular reactor that is lined with either nickel or nickel alloy which contains no greater than 8 wt % chromium.
Claims11
Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene, comprising carrying out said pyrolyzing in a reaction zone lined with mechanically supported (a) nickel or (b) nickel alloy containing up to 8 wt % chromium.
Dependencies are inferred from the claim text.