# US 5,350,692 A · Microorganisms useful for hydrogen gas production

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- Number: US 5,350,692 A
- Document ID: US5350692A
- Status: Granted
- Kind: A
- Application number: 08/091,684
- Filed: 1993-07-15
- Granted: 1994-09-27
- Earliest claimed: 1990-11-02
- Assignees: Kajima Corporation
- Inventors: Fumiaki Taguchi; Masayoshi Morimoto; Takeshi Kyoya; Mikio Takano
- Web page: https://patentgrep.com/patent/US5350692A

## CPC

- C12P 3/00: Preparation of elements or inorganic compounds except carbon dioxide {(recovery of carbon dioxides as by-products C12F3/02)}
- Y10S 435/842: Clostridium
- C12P: FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE {(brewing of beer C12C; producing vinegar C12J; producing specific peptides or proteins C07K; producing enzymes C12N9/00; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification C12N15/00; measuring or testing processes involving enzymes or microorganisms C12Q; measuring or testing processes involving nucleic acid amplification reactions C12Q1/6844; fermentation processes to form a food composition, A21 or A23; compounds in general, see the relevant compound class, e.g. C01, C07)}
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

The present invention relates to a process for preparing hydrogen gas on an industrial scale by culturing the microorganism Clostridium beijerinckii Ferm BP-3592 or the anaerobic asporogenic bacterium strain Ferm BP-3593 in a medium containing glucose and/or a polysaccharide containing a glucose unit.

## Claims

### Claim 1

A biologically pure culture of clostridium beijerinckii FERM BP-3592.

### Claim 2

A biologically pure culture of bacterium strain FERM BP-3593.