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.

Date of Patent:
Oct. 21, 1997

Filed:

Jun. 07, 1995
Applicant:
Inventors:

Taira Homma, Niigata-ken, JP;

Kanji Murofushi, Niigata-ken, JP;

Shigehiro Nagura, Niigata-ken, JP;

Assignees:

Shin-Etsu Chemical Co., Ltd., Tokyo, JP;

Shin-Etsu Bio, Inc., San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435104 ; 424 934 ; 4242821 ; 4352521 ; 435822 ; 435910 ; 536114 ;
Abstract

A xanthan gum-containing fermented solution is subjected to an enzyme treatment for solubilizing the microbial cells present in the fermented solution. While the fermented solution having undergone the enzyme treatment is maintained at a temperature of 50.degree. C. to 80.degree. C., and xanthan gum is precipitated by adding an hydrophilic organic solvent incapable of dissolving xanthan gum to the fermented solution. When a rotary turbine is used, the precipitate can be cut with a shearing cutter to recover a finely-divided fibrous product.


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Homma, Taira. (1997). Process for the recovery and purification of xanthan gum (U.S. Patent No. 5679556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5679556

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