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:
Jun. 25, 2002
Filed:
Jul. 31, 2000
Applicant:
Inventors:
Koji Takeda, Iwata, JP;
Tadashi Terasawa, Yatsushiro, JP;
Kazuyuki Dobashi, Hadano, JP;
Takeo Yoshioka, Ayase, JP;
Assignee:
Mercian Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 9/00 ;
U.S. Cl.
CPC ...
C07J 9/00 ;
Abstract
A method for preparing at least one hydroxycholesterol chosen from the group consisting of 25-hydroxycholesterol, 17,25-dihydroxycholesterol and 25,26-dihydroxycholesterol by biological hydroxylation of cholesterol, and the aforementioned dihydroxycholesterols. In the above biological hydroxylation, a microorganism is used which has the abovementioned hydroxylation capacity and which belongs to the genus Amycolata and the genus Sphingomonas.