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. 23, 2025
Filed:
Apr. 14, 2020
Applicant:
Roche Innovation Center Copenhagen A/s, Horsholm, DK;
Inventors:
Dace Katkevica, Riga, LV;
Martins Katkevics, Riga, LV;
Erik Funder, Hillerod, DK;
Nanna Albaek, Birkerod, DK;
Assignee:
Roche Innovation Center Copenhagen A/S, Horsholm, DK;
Primary Examiner:
Int. Cl.
CPC ...
C07H 1/02 (2006.01); C07H 21/00 (2006.01); C07H 19/06 (2006.01); C07H 19/16 (2006.01);
U.S. Cl.
CPC ...
C07H 1/02 (2013.01); C07H 21/00 (2013.01); C07H 19/06 (2013.01); C07H 19/16 (2013.01);
Abstract
The present invention relates to an optimized method for preparing a P(V) monomer of formula (IIIa) or (IIIb) from a nucleoside using DBU as a base at about 0.8 equivalent to nucleoside.