Granted Patent
Utility
US 6,340,749 · App. 08/647,354
Preparation of nucleoside phosphoramidites and oligonucleotide synthesis
Inventors:
Zhaoda Zhang, Jin-Yan Tang
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: May 9, 1996
Inventors
Zhaoda Zhang
Jin-Yan Tang
Assignee (at issue)
Avecia Biotechnology, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.