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:
Jul. 29, 1997
Filed:
Aug. 02, 1996
Applicant:
Inventors:
Toshikazu Tomioka, Ibaraki, JP;
Katsumi Tomita, Hirakata, JP;
Hiroaki Oka, Hirakata, JP;
Kenji Hoshino, Takatsuki, JP;
Atsushi Nishino, Neyagawa, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424421 ; 424404 ; 424405 ; 424419 ; 424420 ; 424618 ; 424724 ;
Abstract
An antibacterial composition having a heat-resistant property sufficient for avoiding its decomposition or discoloration at the resin molding temperature comprises; a silver thiosulfate complex salt carried on silica gel particles having an equilibrium water content of 10% or smaller, wherein at least part of the surface of the silica gel particles carrying said silver thiosulfate complex salt is covered with a coating layer composed of silicon dioxide formed by means of hydrolysis of an alkoxysilane.