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:
May. 13, 1986
Filed:
Jun. 25, 1984
Applicant:
Inventor:
E Webb Henderson, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesvillea, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; F23C / ; F23N / ;
U.S. Cl.
CPC ...
422108 ; 422117 ; 422150 ; 422156 ; 423450 ; 423D / ; 431 89 ; 431189 ;
Abstract
In order to prevent burn-off of a radial feedstock nozzle in a carbon black reactor, resulting when the feedstock stopped flowing through the nozzle, a preselected minimum temperature of the feedstock tube actuates a mechanism to withdraw the feedstock from the hot zone of the reactor.