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. 05, 2020
Filed:
Mar. 11, 2019
Applicant:
Lung Biotechnology Pbc, Silver Spring, MD (US);
Inventors:
Hitesh Batra, Herndon, VA (US);
Sudersan M. Tuladhar, Silver Spring, MD (US);
Sri Harsha Tummala, Owings Mills, MD (US);
Raju Penmasta, Herndon, VA (US);
David A. Walsh, Spotsylvania, VA (US);
Assignee:
Lung Biotechnology PBC, Silver Spring, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/93 (2006.01); C07C 233/20 (2006.01); C07C 67/00 (2006.01); C07C 67/307 (2006.01); C07C 69/65 (2006.01);
U.S. Cl.
CPC ...
C07D 307/93 (2013.01); C07C 67/00 (2013.01); C07C 67/307 (2013.01); C07C 69/65 (2013.01); C07C 233/20 (2013.01); C07C 2601/10 (2017.05);
Abstract
The present invention is directed to methods for preparing Beraprost and novel synthetic intermediates for Beraprost.