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:
Sep. 15, 2026
Filed:
Oct. 29, 2021
Applicant:
Industriale Chimica S.r.l., Milan, IT;
Inventors:
Roberto Lenna, S. Giorgio su Legnano, IT;
Andrea Fasana, Nesso, IT;
Assignee:
Industriale Chimica S.R.L., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J 31/00 (2006.01);
U.S. Cl.
CPC ...
C07J 31/006 (2013.01);
Abstract
The present invention relates to a process for preparing B-[(7α,17β)-17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-trien-3-yl]-boronic acid, also known as Fulvestrant-3-boronic acid or ZB716, whose structure is shown below:
Lenna, Roberto. (2026). Process for preparing b-[(7α, 17β)-17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-trien-3-yl]-boronic acid and process intermediates (U.S. Patent No. 12735447). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12735447
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile