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. 30, 2021
Filed:
Jun. 01, 2020
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Tetsuya Kawasaki, Chiyoda-ku, JP;
Jun Ogawa, Kyoto, JP;
Akinori Ando, Kyoto, JP;
Daisei Ando, Yoichi-gun, JP;
Ryohei Yasutomi, Eniwa, JP;
Naoyuki Misaka, Muroran, JP;
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Abstract
Provided is a purification method for water to be used for culture of an aquatic organism, wherein the method includes a nitrification step of oxidizing ammonia to nitric acid using a nitrifying bacterium adhering to a base material containing an alkaline earth metal, and a denitrification step of reducing nitric acid to nitrogen using a denitrifying bacterium adhering to a base material containing a biodegradable resin which has a structural unit derived from dicarboxylic acid.