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. 10, 1999
Filed:
Apr. 15, 1997
Applicant:
Inventors:
Hideki Fujikawa, Tokyo, JP;
Katsuyuki Tanabe, Tokyo, JP;
Assignee:
Nittetsu Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; A01N / ; C01G / ;
U.S. Cl.
CPC ...
424618 ; 424600 ; 424617 ; 424641 ; 424642 ; 424643 ; 424678 ; 424681 ; 424685 ; 424666 ; 424401 ; 424404 ; 424409 ; 424421 ;
Abstract
An antibacterial titania comprising a titania to which ions of an antibacterial metal are adhered, wherein the antibacterial metal is silver; and the antibacterial titania further contains chlorine at a Cl/Ag molar ratio in a range of from 2.8 to 7.2. A process for producing an antibacterial titania which comprises the steps of: (1) incorporating a salt of an antibacterial metal into a slurry of metatitanic acid to adhere ions of the antibacterial metal to titania in the metatitanic acid slurry; and (2) adding a source of chlorine ions to the slurry, wherein the antibacterial metal is silver.