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:
Apr. 15, 1980
Filed:
Dec. 30, 1977
Applicant:
Inventors:
Karel R Dahmen, Houston, TX (US);
John M Clay, Dumas, TX (US);
Assignee:
Continental Carbon Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ;
U.S. Cl.
CPC ...
423450 ; 423455 ; 423456 ;
Abstract
A process for manufacturing oil furnace carbon black in which all or a portion of the combustion air is swirled just prior to contacting the fuel. The portion of total air which is swirled is adjustable so as to provide a predetermined, controlled Swirl Ratio in order to control the structure of the resulting carbon black.