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.:

US 7198936 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 03, 2007

Filed:

Oct. 30, 2001
Applicants:

Gustav Silfversparre, Trelleborg, SE;

Sven-olof Enfors, Sollentuna, SE;

Ling Han, Stockholm, SE;

Lena Häggström, Sollentuna, SE;

Harald Skogman, Falsterbo, SE;

Inventors:

Gustav Silfversparre, Trelleborg, SE;

Sven-Olof Enfors, Sollentuna, SE;

Ling Han, Stockholm, SE;

Lena Häggström, Sollentuna, SE;

Harald Skogman, Falsterbo, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 1/12 (2006.01); C12N 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a method for growth of bacteria, such as Gram negative bacteria and its corresponding supernatant. The bacteria are cultivated without substantial release of endotoxins from the bacteria into the surrounding medium. Thereby the need of purification steps necessary to remove endotoxins are reduced or eliminated such as when the bacteria are producing a product which later on should be administered to a mammal, such as a human. The bacteria are also cultivated without substantial formation of acetic acid. The level of the carbon/energy source is controled during the cultivation and oxygen limitation is avoided through regulation of the temperature. The method may be used for cultivation of bacterial in fermenters.


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Silfversparre, Gustav. (2007). Method for growth of bacteria, minimising the release of endotoxins from the bacteria into the surrounding medium (U.S. Patent No. 7198936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7198936

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