AK

Alex Karpeisky

RP Ribozyme Pharmaceuticals: 15 patents #8 of 62Top 15%
ST Sirna Therapeutics: 2 patents #60 of 124Top 50%
Overall (All Time): #279,598 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6849726 Non-nucleotide containing RNA Nassim Usman, Francine Wincott, Jasenka Matulic-Adamic, Leonid Beigelman 2005-02-01
6818759 2′-O-alkylthioalkyl and 2′-C-alkylthioalkyl-containing nucleic acids Leonid Beigelman 2004-11-16
6555668 Non-nucleotide containing enzymatic nucleic acid Nassim Usman, Francine Wincott, Jasenka Matulic-Adamic, Leonid Beigelman 2003-04-29
6528639 Base-modified enzymatic nucleic acid Nassim Usman, Leonid Beigelman, James McSwiggen 2003-03-04
6451540 2′-O-alkylthioalkyl and 2′-C-alkythioalkyl containing nucleic acids Leonid Beigelman 2002-09-17
6395713 Compositions for the delivery of negatively charged molecules Leonid Beigelman, Jasenka Matulic-Adamic, Peter Haeberli, David Sweedler, Mark Reynolds +2 more 2002-05-28
6362323 Non-nucleotide containing nucleic acid Nassim Usman, Francine Wincott, Jasenka Matulic-Adamic, Leonid Beigelman 2002-03-26
6239272 2'-O-alkylthioalkyl and 2'-c-alkylthioalkyl-containing nucleic acids Leonid Beigelman 2001-05-29
6117657 Non-nucleotide containing enzymatic nucleic acid Nassim Usman, Francine Wincott, Jasenka Matulic-Adamic, Leonid Beigelman 2000-09-12
5891683 Non-nucleotide containing enzymatic nucleic acid Nassim Usman, Francine Wincott, Jasenka Matulic-Adamic, Leonid Beigelman 1999-04-06
5891684 Base-modified enzymatic nucleic acid Nassim Usman, Leonid Beigelman, James McSwiggen 1999-04-06
5879938 Base-modified enzymatic nucleic acid Nassim Usman, Leonid Beigelman, James McSwiggen 1999-03-09
5840876 2'-O-alkylthioalkyl and 2'-C-alkylthioalkyl-containing nucleic acids Leonid Beigelman 1998-11-24
5767263 Base-modified enzymatic nucleic acid Nassim Usman, Leonid Beigelman, James McSwiggen 1998-06-16
5716824 2'-O-alkylthioalkyl and 2-C-alkylthioalkyl-containing enzymatic nucleic acids (ribozymes) Leonid Beigelman 1998-02-10
5672501 Base-modified enzymatic nucleic acid Jasenka Matulic-Adamic, Leonid Beigelman, Nassim Usman, Alex Burgin 1997-09-30
5672511 Base-modified enzymatic nucleic acid Leonid Beigelman 1997-09-30