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:
Jun. 10, 2014
Filed:
Dec. 22, 2008
Applicants:
Sergei M. Gryaznov, San Mateo, CA (US);
Krisztina Pongracz, Oakland, CA (US);
Daria Zielinska, Sunnyvale, CA (US);
Inventors:
Sergei M. Gryaznov, San Mateo, CA (US);
Krisztina Pongracz, Oakland, CA (US);
Daria Zielinska, Sunnyvale, CA (US);
Assignee:
Geron Corporation, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 19/167 (2006.01); C07H 19/173 (2006.01); C07H 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Orthogonally protected 3'-amino nucleoside monomers and efficient methods for their synthesis are described. The methods employ selective protection of the 3′-amino group in the presence of the unprotected nucleoside base.