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. 02, 1977
Filed:
Jul. 28, 1975
Applicant:
Inventor:
Paul H Johnson, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
423456 ;
Abstract
A method and apparatus for introducing combustion gases into a carbon black furnace, the method involving the introduction of the combustion gases at variable velocities to affect the structure of the black by affecting the extent of the contact between the hydrocarbon feed and the combustion gases. The apparatus includes means for varying the introduction velocity of the combustion gases.