Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2007-06-05
2007-06-05
Crane, L. E. (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S025330, C536S025340, C568S022000
Reexamination Certificate
active
10181200
ABSTRACT:
Methods for the formation of sulfurized oligonucleotides are provided. The methods allow for the formation of phosphorothioate linkages in the oligonucleotides or derivatives, without the need for complex solvent mixtures and repeated washing or solvent changes. Oligonucleotides having from about 8, and up to about 50, nucleotides can be sulfurized according to the methods of the invention with higher yields than have been previously reported.
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Cheruvallath Zacharia S.
Cole Douglas L.
Ravikumar Vasulinga T.
Crane L. E.
ISIS Pharmaceuticals Inc.
Woodcock & Washburn LLP
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