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:
Feb. 11, 2003
Filed:
Oct. 13, 2000
Applicant:
Inventors:
Qinghe Yang, Beijing, CN;
Bin Liu, Beijing, CN;
Hong Nie, Beijing, CN;
Xuefen Liu, Beijing, CN;
Dadong Li, Beijing, CN;
Yahua Shi, Beijing, CN;
Fucheng Zhuang, Beijing, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/300 ; C01F 7/02 ; C04B 3/503 ;
U.S. Cl.
CPC ...
B01J 2/300 ; C01F 7/02 ; C04B 3/503 ;
Abstract
A catalyst for hydrofining fraction oils, comprises an alumina carrier and at least one metal and/or thereof oxide of Group VIB and at least one metal and/or thereof oxide of Group VIII supported on said alumina carrier. The pore volume of said alumina carrier is not less than 0.35 ml/g, in which the pore volume of the pores having a diameter of 40-100 angstrom accounts for more than 80% of the total pore volume, the alumina carrier is prepared by a special process. The catalyst possesses relatively high hydrogenation activity.