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:
Aug. 12, 1997
Filed:
Aug. 25, 1994
Applicant:
Inventors:
Larry E Reed, Bartlesville, OK (US);
Ronald E Brown, Bartlesville, OK (US);
James P Degraffenried, Bartlesville, OK (US);
Timothy P Murtha, Bartlesville, OK (US);
Gil J Greenwood, Bartlesville, OK (US);
Timothy P Harper, Bartlesville, OK (US);
Mark D Scharre, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ; C07C / ;
U.S. Cl.
CPC ...
208 / ; 208 / ; 585648 ; 585950 ;
Abstract
A novel method for treating the radiant tubes of a fired pyrolysis heater with an antifoulant composition for inhibiting the formation and deposition of coke thereon. Such novel method includes introducing the antifoulant into the crossover conduit between the convection tubes and radiant tubes of the fired pyrolysis heater.