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:
Jun. 22, 1976
Filed:
May. 02, 1975
Applicant:
Inventor:
Takeshi Kubota, Kyoto, JA;
Assignee:
Mitsui Shipbuilding and Engineering Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C10G / ;
U.S. Cl.
CPC ...
4821 / ; 2524 / ; 252457 ;
Abstract
A process for carrying out continuous contact steam decomposition reaction of atmospheric distillation residual oil or reduced pressure distillation residual oil at a temmperature of 700.degree. to 1000.degree.C. in the presence of a catalyst which has been prepared by mixing and kneading calcium oxide with 5 to 20% by weight of iron sesquioxide and 10 to 30% by weight of silicon oxide of which proportions are to be compared with the weight of said calcium oxide, or further adding proper amount of at least a member selected from the group consisting of magnesium, aluminum and chromium oxides and burning the result at high temperature.