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:
Sep. 06, 1977
Filed:
Aug. 11, 1976
Applicant:
Inventors:
Koji Seguchi, Hino, JA;
Minoru Sugita, Tokyo, JA;
Kazuyoshi Inada, Tokyo, JA;
Kiyoshi Tagaya, Funabashi, JA;
Yuji Nakamura, Tokyo, JA;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 / ; 208121 ; 208126 ; 208127 ; 208157 ; 208253 ; 252474 ;
Abstract
In the thermal cracking of heavy petroleum oil (having an API specific gravity of not more than 25) in a tubular type heating furnace, a specific inorganic substance is added in a specific proportion to the heavy petroleum oil to prevent the heavy oil from undergoing coking inside the furnace.
Seguchi, Koji. (1977). Method for the treatment of heavy petroleum oil (U.S. Patent No. 4046670). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4046670
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile