The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2009
Filed:
Sep. 18, 2000
Applicants:
Francis Humblot, Lanneplaa, FR;
Claude Brun, Idron, FR;
Harry M. Woerde, Rijn, NL;
Paul F. Van Den Oosterkamp, The Hague, NL;
Inventors:
Francis Humblot, Lanneplaa, FR;
Claude Brun, Idron, FR;
Harry M. Woerde, Rijn, NL;
Paul F. Van Den Oosterkamp, The Hague, NL;
Assignee:
Arkema France, Colombes, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for reducing coking on the metal walls of a reactor cracking hydrocarbons or other organic compounds and on the metal walls of a heat exchanger placed downstream of the cracking reactor, whereby the metal surfaces coming into contact with the organic substance to be cracked are pre-treated with a water vapor stream containing at least silicon and at least a sulphur compound.