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:
Sep. 12, 1995
Filed:
Nov. 03, 1993
Hiroshi Taoda, Nagoya, JP;
Eiji Watanabe, Ama, JP;
Tatsuro Horiuchi, Nagoya, JP;
Shigekazu Kato, Nagoya, JP;
Seiichiro Omori, Konan, JP;
Hiroaki Yokoi, Ichinomiya, JP;
Director General of Agency of Industrial Science and Technology, Tokyo, JP;
Kato Manufacturing Corporation Limited, Komaki, JP;
Aiwa Corporation Limited, Iwakura, JP;
Abstract
The present invention aims at providing an economical process for purifying water which can produce clean water by treating polluted water, which contains agricultural chemicals, organic solvents (particularly, halocarbon) and surface active agents (particularly, those with side chains) which are hard to treat according to a conventional activated sludge process, under moderate conditions readily and promptly, and also, which process is characterized by adding titanium oxide and iron salt into water to be treated, and irradiating light thereupon.