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:
Nov. 02, 2004
Filed:
Feb. 19, 2002
Applicant:
Inventor:
Tetsuya Fukunaga, Chiba-ken, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/906 ;
U.S. Cl.
CPC ...
B01J 2/906 ;
Abstract
A method for preparing a catalyst is herein disclosed which comprises the steps of impregnating a carrier with active components, particularly a platinum-containing compound and one or more halogen-containing compounds, drying the impregnated carrier, and then calcining the same, said drying treatment being carried out while the impregnated carrier is in a drifting condition. According to the above method, an activity of the catalyst can be improved, and a cracking selectivity can be reduced.