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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 10329250 B1

PDFFull Text
Date of Patent:
Jun. 25, 2019

Filed:

Oct. 08, 2015

Process for producing 7-dehydrocholesterol and vitamin d3

Applicant:

Kyowa Hakko Bio Co., Ltd., Tokyo, JP;

Inventors:

Tetsuro Ujihara, Tokyo, JP;

Satoshi Mitsuhashi, Tokyo, JP;

Assignee:

KYOWA HAKKO BIO CO., LTD., Tokyo, JP;

Attorney:

Leydig, Voit & Mayer, Ltd.

Primary Examiner:

Tekchand Saidha

Int. Cl.
CPC ...
C12N 9/10 (2006.01); C07C 401/00 (2006.01); C12P 33/00 (2006.01); B01J 19/12 (2006.01); C12P 7/22 (2006.01); C12N 15/09 (2006.01);
U.S. Cl.
CPC ...
C07C 401/00 (2013.01); B01J 19/123 (2013.01); C12N 9/1007 (2013.01); C12P 7/22 (2013.01); C12P 33/00 (2013.01); C12Y 201/01041 (2013.01); B01J 2219/12 (2013.01); C12N 15/09 (2013.01);
Abstract

According to the present invention, there can be provided a process for producing 7-dehydrocholesterol (7DHC), comprising culturing, in a medium, a 7DHC-producingmicroorganism in which sterol 24-C-methyltransferase activity is reduced or lost as compared to a parent strain, allowing 7DHC to be produced and accumulated in the culture, and collecting the 7DHC from the culture; and a process for producing vitamin D3, comprising irradiating, with ultraviolet light, 7-dehydrocholesterol produced by the production process.

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Ujihara, Tetsuro. (2019). Process for producing 7-dehydrocholesterol and vitamin d3 (U.S. Patent No. 10329250). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10329250

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