Inventor

Alex Karpeisky

Inventor

Boulder, CO, US

Overview

1997–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Hprimary

C07HSugars27%

C12NMicroorganisms or enzymes27%

C12YEnzymes24%

A61KPreparations for medical, dental or toiletry purposes8%

C07KPeptides8%

C07CAcyclic or carbocyclic compounds2%

C07DHeterocyclic compounds2%

C07JSteroids2%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms2%

PatentTitleYear

6,849,726'Non-nucleotide containing RNA'2005 6,818,759'2-O-alkylthioalkyl and 2-C-alkylthioalkyl-containing nucleic acids'2004 6,555,668'Non-nucleotide containing enzymatic nucleic acid'2003 6,528,639'Base-modified enzymatic nucleic acid'2003 6,451,540'2-O-alkylthioalkyl and 2-C-alkythioalkyl containing nucleic acids'2002 6,395,713'Compositions for the delivery of negatively charged molecules'2002 6,362,323'Non-nucleotide containing nucleic acid'2002 6,239,272'2\'-O-alkylthioalkyl and 2\'-c-alkylthioalkyl-containing nucleic acids'2001 6,117,657'Non-nucleotide containing enzymatic nucleic acid'2000 5,891,684'Base-modified enzymatic nucleic acid'1999 5,891,683'Non-nucleotide containing enzymatic nucleic acid'1999 5,879,938'Base-modified enzymatic nucleic acid'1999 5,840,876'2\'-O-alkylthioalkyl and 2\'-C-alkylthioalkyl-containing nucleic acids'1998 5,767,263'Base-modified enzymatic nucleic acid'1998 5,716,824'2\'-O-alkylthioalkyl and 2-C-alkylthioalkyl-containing enzymatic nucleic acids (ribozymes)'1998 5,672,511'Base-modified enzymatic nucleic acid'1997 5,672,501'Base-modified enzymatic nucleic acid'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to RIBOZYME PHARM INC (14)· patent assignee history

1997–2004Based in Boulder, CO, US· patent location history

2001Patents assigned to RIBOZYME PHARMACEUTICAL (1)· patent assignee history

2002Based in Layfayette, CO, US· patent location history

2004–2005Patents assigned to SIRNA THERAPEUTICS INC (2)· patent assignee history

2005Based in Lafayette, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RIBOZYME PHARM INC	14	1997–2003
SIRNA THERAPEUTICS INC	2	2004–2005
RIBOZYME PHARMACEUTICAL	1	2001

Locations

Location	Patents	Span
Boulder, CO, US	15	1997–2004
Lafayette, CO, US	1	2005
Layfayette, CO, US	1	2002