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:
Feb. 03, 1976
Filed:
Jun. 19, 1974
Applicant:
Inventors:
Toru Takeshita, Hino, JA;
Sachio Ishimoto, Tokyo, JA;
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603972 ;
Abstract
A process for the preparation of desmosterol of which the hydroxyl group at the 3-position is protected, or bis-form derivatives thereof in high purity and with high yields, which comprises reacting 24-hydroxycholesterol of which the hydroxyl group at the 3-position is protected, or bis-form derivatives thereof, with