Inventor · Boulder, CO, US

Alex Karpeisky

17Patents

11h-index

11Co-inventors

61Inventor score

Filing activity: Dec 23, 1994 → Mar 17, 2003

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5716824A	2'-O-alkylthioalkyl and 2-C-alkylthioalkyl-containing enzymatic nucleic acids (ribozymes)	Chemistry; Metallurgy	118	Expired
US6117657A	Non-nucleotide containing enzymatic nucleic acid	Chemistry; Metallurgy	83	Expired
US6849726B2	Non-nucleotide containing RNA	Chemistry; Metallurgy	77	Expired
US6395713B1	Compositions for the delivery of negatively charged molecules	Chemistry; Metallurgy	74	Expired
US5891683A	Non-nucleotide containing enzymatic nucleic acid	Chemistry; Metallurgy	45	Expired
US5891684A	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	38	Expired
US6362323B1	Non-nucleotide containing nucleic acid	Chemistry; Metallurgy	37	Expired
US6818759B2	2′-O-alkylthioalkyl and 2′-C-alkylthioalkyl-containing nucleic acids	Chemistry; Metallurgy	26	Expired
US6239272A	2'-O-alkylthioalkyl and 2'-c-alkylthioalkyl-containing nucleic acids	Chemistry; Metallurgy	25	Expired
US5672501A	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	14	Expired
US5840876A	2'-O-alkylthioalkyl and 2'-C-alkylthioalkyl-containing nucleic acids	Chemistry; Metallurgy	12	Expired
US5767263A	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	8	Expired
US5672511A	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	8	Expired
US5879938A	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	6	Expired
US6555668B2	Non-nucleotide containing enzymatic nucleic acid	Chemistry; Metallurgy	2	Expired
US6528639B2	Base-modified enzymatic nucleic acid	Chemistry; Metallurgy	2	Expired
US6451540B2	2′-O-alkylthioalkyl and 2′-C-alkythioalkyl containing nucleic acids	Chemistry; Metallurgy	0	Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.