Process for the preparation of gases which contain hydrogen and nitrogen
CA 1187703 A · Owner: Snamprogetti S.P.A. · Inventors: Bisi, Piero; Lagana, Vincenzo; Saviano, Francesco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PROCESS FOR THE PREPARATION OF GASES WHICH CONTAIN HYDROGEN AND NITROGEN, ABSTRACT OF THE DISCLOSURE : An improved process is disclosed for preparing gases containing hydrogen and nitrogen especially, suitable for the synthesis of ammonia. Using natural gas or virgin naphtha as the starting materials the, reforming reaction with steam takes place in two serially arranged stages, the first of which occurs at an inlet temperature of from 400°C to 650°C and an exit temperature of from 650°C to 750°C a conversion, of from 20% to 50% being effected the second stage working, at an exit temperature of from 750°C to 850°C and the conversion is now up to 70%. The air reforming is carried out at an …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 28, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.