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. 02, 1989
Filed:
Feb. 06, 1987
Applicant:
Inventor:
John R Casperson, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ;
U.S. Cl.
CPC ...
423456 ; 423450 ; 423457 ;
Abstract
High structure carbon black is produced in an oil furnace reactor characterized by abrupt expansions in the reaction flow passage following the reactor throat.
Quick Actions:
Casperson, John. (1989). Method for carbon black production (U.S. Patent No. 4826669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4826669
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile