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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
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Dow
US Army
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QuintilesIMS
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Generated: February 18, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,222,025

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Summary for Patent: 6,222,025
Title: Process for the synthesis of 2'-O-substituted pyrimidines and oligomeric compounds therefrom
Abstract:Oligonucleotide analogs are disclosed having pyrimidine monomeric sub-units therein that are modified at the 2' and 5 positions. Monomeric sub-units having these modifications may be further modified at the 2 position. Improved processes for the synthesis of 2'-O-substituted pyrimidine nucleosides are also provided. The processes feature alkylation of a 2,2'-anhydropyrimidine nucleoside or a 2S,2'-anhydropyrimidine nucleoside with a weak nucleophile in the presence of a Lewis acid.
Inventor(s): Cook; Phillip Dan (Escondido, CA), Sanghvi; Yogesh S. (Encinitas, CA), Sprankle; Kelly G. (Vista, CA), Ross; Bruce S. (Carlsbad, CA), Griffey; Rich H. (Vista, CA), Springer; Robert H. (Carlsbad, CA)
Assignee: Isis Pharmaceuticals, Inc. (Carlsbad, CA)
Application Number:08/894,899
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 6,222,025

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 6,222,025

PCT Information
PCT FiledMarch 06, 1996PCT Application Number:PCT/US96/03174
PCT Publication Date:September 12, 1996PCT Publication Number: WO96/27606

International Patents Family Members for US Patent 6,222,025

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 327244 ➤ Try a Free Trial
Australia 5359496 ➤ Try a Free Trial
Canada 2214535 ➤ Try a Free Trial
Germany 69636160 ➤ Try a Free Trial
European Patent Office 0813539 ➤ Try a Free Trial
Japan 2001097994 ➤ Try a Free Trial
Japan 3787265 ➤ Try a Free Trial
Japan H10512894 ➤ Try a Free Trial
Norway 974077 ➤ Try a Free Trial
World Intellectual Property Organization (WIPO) 9627606 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

QuintilesIMS
Deloitte
AstraZeneca
Covington
Citi
Healthtrust
Farmers Insurance
Federal Trade Commission
Accenture

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