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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
HOECHST AKTIENGESELLSCHAFT	A CORP OF GERMANY D-6230 FRANKFURT AM MAIN 80

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Helsberg, Matthias	Kelkheim, DE	10	124
O'Malley, Gerard	Newtown, PA	10	40
Peyman, Anuschirwan	Kelkheim, DE	48	770
Uhlmann, Eugen	Glashutten, DE	106	2598
Winkler, Irvin	Liederbach, DE	23	232

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 5646261

3'-derivatized oligonucleotide analogs with non-nucleotidic groupings, their preparation and use

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