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. 05, 2000
Filed:
Mar. 30, 1998
Takashi Kashiba, Kanagawa-ken, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
An atmosphere regulator which comprises 100 parts by weight an oxygen absorber comprising an ascorbic acid compound, a metallic salt, water and an activated carbon, and 5 to 20 parts by weight of an alkaline earth metal hydroxide. The atmosphere regulator has a pH, as measured in accordance with JIS K1474, of 10 to 12.5. The atmosphere regulator can promptly change the atmosphere in a system into an anaerobic state and has a function for stably generating a carbon dioxide gas. The atmosphere regulator does not bring about any deterioration of performance, even when stored for a long period of time, and is compact for good receivability. Anaerobic bacteria can be cultured by the use of the atmosphere regulator.