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:
Dec. 19, 2000
Filed:
Feb. 16, 1999
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502350 ; 502351 ; 502308 ; 502309 ; 50252714 ; 502439 ;
Abstract
A method for producing a catalyst component-carrying titania fibers is provided, which has large specific surface area, large pore volume and a high catalyst activity. The method comprises steps of adding a catalyst component to the solution of a titanium alkoxide or to the hydrosis/polymerizatin reaction mixture and/or to the spinning solution, and treating a precursor fiber with water vapor before and/or during calcination.