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:
Feb. 16, 1982
Filed:
Jul. 24, 1980
Applicant:
Inventors:
Paul J Cheng, Bartlesville, OK (US);
King L Mills, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ;
U.S. Cl.
CPC ...
423455 ; 423450 ; 423449 ;
Abstract
Carbon black having a tint residual of less than about -5 is produced by injecting a feedstock axially into a vortex flow, oil furnace carbon black reactor having a cylindrical precombustion zone and a frustoconical converging zone.
Quick Actions:
Cheng, Paul. (1982). Process for producing carbon black (U.S. Patent No. 4315901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4315901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile