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. 31, 1993
Filed:
Nov. 25, 1991
Applicant:
Inventors:
Takashi Ino, Yokohama, JP;
Seigou Shibata, Yokohama, JP;
Assignees:
Nippon Oil Co., Ltd., Tokyo, JP;
Petroleum Energy Center Foundation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502 64 ; 208114 ;
Abstract
This invention provides a method of manufacturing a hydrocarbon conversion catalyst by spray-drying a slurry containing alumina-magnesia and a crystalline aluminosilicate zeolite, which is characterized in that the alumina-magnesia is treated with phosphoric acid containing solution before or after the slurry is subjected to a treatment of spray-drying.