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. 26, 1987
Filed:
Feb. 05, 1985
Applicant:
Inventors:
Shinichi Yoshida, Kashiwa, JP;
Hidehiro Higashi, Kita-Kyushu, JP;
Takemithu Yano, Tokyo, JP;
Jun Fuchikami, Matsudo, JP;
Assignee:
Catalysts & Chemicals Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 79 ;
Abstract
As modified zeolite is disclosed here wherein the volume occupied by pores having a diameter ranging from 50 .ANG. to 600 .ANG. measured by the nitrogen gas absorption method is 30% or more of the volume occupied by pores having a diameter ranging from 0 to 600 .ANG.. The catalyst containing this modified zeolite is suitably used especially in hydroprocessing heavy hydrocarbon oil.