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:
May. 01, 1990
Filed:
Oct. 19, 1988
Applicant:
Inventors:
Assignee:
Gipharmex S.P.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07J / ;
U.S. Cl.
CPC ...
514182 ; 552549 ; 552550 ; 552551 ;
Abstract
Compounds of formula I ##STR1## wherein: R.sub.1 is hydrogen or hydroxy, and the methyl and hydroxy groups at 6- and 7-positions respectively can be either in .alpha. or .beta. configuration, are useful in human therapy. Compounds I are prepared by methylation of the corresponding appropriately protected 7-keto-derivatives.
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Frigerio, Giuliano. (1990). Biliary acid derivatives, processes for the preparation thereof and (U.S. Patent No. 4921848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4921848
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